./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:24:58,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:24:58,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 05:24:58,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:24:58,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:24:58,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:24:58,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:24:58,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:24:58,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:24:58,214 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:24:58,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:24:58,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:24:58,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:24:58,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:24:58,217 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:24:58,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:24:58,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:24:58,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:24:58,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:24:58,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:24:58,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:24:58,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:24:58,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:24:58,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:24:58,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:24:58,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:24:58,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:24:58,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:24:58,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:24:58,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:24:58,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:24:58,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:24:58,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:24:58,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:24:58,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:24:58,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:24:58,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:24:58,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:24:58,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:24:58,227 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 [2023-11-29 05:24:58,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:24:58,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:24:58,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:24:58,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:24:58,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:24:58,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2023-11-29 05:25:01,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:25:01,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:25:01,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2023-11-29 05:25:01,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/data/c68435038/1a671da56d234720b04615915a49091e/FLAG390355a5d [2023-11-29 05:25:01,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/data/c68435038/1a671da56d234720b04615915a49091e [2023-11-29 05:25:01,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:25:01,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:25:01,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:25:01,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:25:01,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:25:01,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:01" (1/1) ... [2023-11-29 05:25:01,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4175d87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:01, skipping insertion in model container [2023-11-29 05:25:01,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:01" (1/1) ... [2023-11-29 05:25:01,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:25:02,174 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2023-11-29 05:25:02,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:25:02,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:25:02,546 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2023-11-29 05:25:02,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:25:02,739 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:25:02,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02 WrapperNode [2023-11-29 05:25:02,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:25:02,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:25:02,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:25:02,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:25:02,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:02,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,346 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5452 [2023-11-29 05:25:03,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:25:03,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:25:03,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:25:03,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:25:03,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,533 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,742 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:25:03,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:03,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:04,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:25:04,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:25:04,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:25:04,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:25:04,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (1/1) ... [2023-11-29 05:25:04,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:25:04,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:25:04,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:25:04,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:25:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:25:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:25:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:25:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:25:04,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:25:04,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:25:04,503 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:25:04,506 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:25:07,824 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:25:07,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:25:07,943 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:25:07,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:25:07 BoogieIcfgContainer [2023-11-29 05:25:07,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:25:07,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:25:07,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:25:07,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:25:07,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:25:01" (1/3) ... [2023-11-29 05:25:07,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f7ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:25:07, skipping insertion in model container [2023-11-29 05:25:07,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:02" (2/3) ... [2023-11-29 05:25:07,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24f7ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:25:07, skipping insertion in model container [2023-11-29 05:25:07,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:25:07" (3/3) ... [2023-11-29 05:25:07,952 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2023-11-29 05:25:07,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:25:07,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:25:08,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:25:08,050 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@222930c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:25:08,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:25:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 1067 states, 1051 states have (on average 1.6574690770694576) internal successors, (1742), 1052 states have internal predecessors, (1742), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2023-11-29 05:25:08,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:08,090 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:08,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:08,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:08,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1440440509, now seen corresponding path program 1 times [2023-11-29 05:25:08,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:08,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544867401] [2023-11-29 05:25:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:08,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 05:25:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-29 05:25:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 05:25:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 05:25:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 05:25:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:25:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-29 05:25:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:25:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:10,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:10,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544867401] [2023-11-29 05:25:10,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544867401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:10,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:10,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:10,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407367568] [2023-11-29 05:25:10,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:10,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:10,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:10,582 INFO L87 Difference]: Start difference. First operand has 1067 states, 1051 states have (on average 1.6574690770694576) internal successors, (1742), 1052 states have internal predecessors, (1742), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:11,604 INFO L93 Difference]: Finished difference Result 1972 states and 3282 transitions. [2023-11-29 05:25:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:11,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 478 [2023-11-29 05:25:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:11,629 INFO L225 Difference]: With dead ends: 1972 [2023-11-29 05:25:11,629 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:11,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:11,640 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1488 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 2604 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:11,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 2604 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:25:11,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:11,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6523809523809523) internal successors, (1735), 1050 states have internal predecessors, (1735), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1761 transitions. [2023-11-29 05:25:11,757 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1761 transitions. Word has length 478 [2023-11-29 05:25:11,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:11,760 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1761 transitions. [2023-11-29 05:25:11,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.0) internal successors, (416), 4 states have internal predecessors, (416), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1761 transitions. [2023-11-29 05:25:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2023-11-29 05:25:11,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:11,774 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:11,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:25:11,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:11,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:11,775 INFO L85 PathProgramCache]: Analyzing trace with hash -426204449, now seen corresponding path program 1 times [2023-11-29 05:25:11,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:11,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843756076] [2023-11-29 05:25:11,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:11,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 05:25:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-29 05:25:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 05:25:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 05:25:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 05:25:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:25:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-29 05:25:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:25:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:12,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:12,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843756076] [2023-11-29 05:25:12,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843756076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:12,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:12,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:12,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547705276] [2023-11-29 05:25:12,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:12,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:12,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:12,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:12,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:12,797 INFO L87 Difference]: Start difference. First operand 1065 states and 1761 transitions. Second operand has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:13,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:13,584 INFO L93 Difference]: Finished difference Result 2088 states and 3444 transitions. [2023-11-29 05:25:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:25:13,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 479 [2023-11-29 05:25:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:13,597 INFO L225 Difference]: With dead ends: 2088 [2023-11-29 05:25:13,598 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:13,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:25:13,601 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1771 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:13,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 4830 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:25:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6514285714285715) internal successors, (1734), 1050 states have internal predecessors, (1734), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1760 transitions. [2023-11-29 05:25:13,636 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1760 transitions. Word has length 479 [2023-11-29 05:25:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:13,636 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1760 transitions. [2023-11-29 05:25:13,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.4) internal successors, (417), 5 states have internal predecessors, (417), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1760 transitions. [2023-11-29 05:25:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2023-11-29 05:25:13,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:13,644 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:13,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:25:13,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:13,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash -831427749, now seen corresponding path program 1 times [2023-11-29 05:25:13,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:13,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998784707] [2023-11-29 05:25:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:14,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:14,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998784707] [2023-11-29 05:25:14,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998784707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:14,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:14,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:14,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225748138] [2023-11-29 05:25:14,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:14,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:14,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:14,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:14,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:14,710 INFO L87 Difference]: Start difference. First operand 1065 states and 1760 transitions. Second operand has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:15,628 INFO L93 Difference]: Finished difference Result 1970 states and 3254 transitions. [2023-11-29 05:25:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:15,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 480 [2023-11-29 05:25:15,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:15,637 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:15,637 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:15,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:15,640 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1607 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:15,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 2620 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:25:15,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:15,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6504761904761904) internal successors, (1733), 1050 states have internal predecessors, (1733), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1759 transitions. [2023-11-29 05:25:15,681 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1759 transitions. Word has length 480 [2023-11-29 05:25:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:15,682 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1759 transitions. [2023-11-29 05:25:15,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.6) internal successors, (418), 5 states have internal predecessors, (418), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1759 transitions. [2023-11-29 05:25:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2023-11-29 05:25:15,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:15,688 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:15,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:25:15,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:15,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:15,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1939246895, now seen corresponding path program 1 times [2023-11-29 05:25:15,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:15,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993922372] [2023-11-29 05:25:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:15,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:17,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:17,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993922372] [2023-11-29 05:25:17,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993922372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:17,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:17,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447281081] [2023-11-29 05:25:17,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:17,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:17,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:17,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:17,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:17,041 INFO L87 Difference]: Start difference. First operand 1065 states and 1759 transitions. Second operand has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:17,833 INFO L93 Difference]: Finished difference Result 1970 states and 3252 transitions. [2023-11-29 05:25:17,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:17,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 481 [2023-11-29 05:25:17,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:17,841 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:17,841 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:17,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:17,844 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1567 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1572 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:17,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1572 Valid, 2620 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:25:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:17,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6495238095238096) internal successors, (1732), 1050 states have internal predecessors, (1732), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1758 transitions. [2023-11-29 05:25:17,877 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1758 transitions. Word has length 481 [2023-11-29 05:25:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:17,878 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1758 transitions. [2023-11-29 05:25:17,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1758 transitions. [2023-11-29 05:25:17,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2023-11-29 05:25:17,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:17,884 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:17,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:25:17,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:17,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:17,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1297597559, now seen corresponding path program 1 times [2023-11-29 05:25:17,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:17,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565396276] [2023-11-29 05:25:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:17,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:19,089 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:19,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:19,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565396276] [2023-11-29 05:25:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565396276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:19,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:19,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:19,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937125170] [2023-11-29 05:25:19,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:19,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:19,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:19,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:19,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:19,093 INFO L87 Difference]: Start difference. First operand 1065 states and 1758 transitions. Second operand has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:19,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:19,885 INFO L93 Difference]: Finished difference Result 1970 states and 3250 transitions. [2023-11-29 05:25:19,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:19,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 482 [2023-11-29 05:25:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:19,892 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:19,892 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:19,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:19,894 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1527 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:19,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 2620 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:25:19,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:19,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6485714285714286) internal successors, (1731), 1050 states have internal predecessors, (1731), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1757 transitions. [2023-11-29 05:25:19,918 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1757 transitions. Word has length 482 [2023-11-29 05:25:19,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:19,919 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1757 transitions. [2023-11-29 05:25:19,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1757 transitions. [2023-11-29 05:25:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2023-11-29 05:25:19,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:19,923 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:19,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:25:19,923 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:19,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:19,924 INFO L85 PathProgramCache]: Analyzing trace with hash -580910435, now seen corresponding path program 1 times [2023-11-29 05:25:19,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:19,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40794427] [2023-11-29 05:25:19,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:19,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:21,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40794427] [2023-11-29 05:25:21,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40794427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:21,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:21,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:21,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935546728] [2023-11-29 05:25:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:21,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:21,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:21,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:21,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:21,057 INFO L87 Difference]: Start difference. First operand 1065 states and 1757 transitions. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:21,322 INFO L93 Difference]: Finished difference Result 1970 states and 3248 transitions. [2023-11-29 05:25:21,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:21,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 483 [2023-11-29 05:25:21,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:21,331 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:21,331 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:21,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:21,334 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1437 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:21,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3328 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6466666666666667) internal successors, (1729), 1050 states have internal predecessors, (1729), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:21,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1755 transitions. [2023-11-29 05:25:21,373 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1755 transitions. Word has length 483 [2023-11-29 05:25:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:21,374 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1755 transitions. [2023-11-29 05:25:21,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1755 transitions. [2023-11-29 05:25:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2023-11-29 05:25:21,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:21,381 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:21,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:25:21,382 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:21,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2029598077, now seen corresponding path program 1 times [2023-11-29 05:25:21,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586142807] [2023-11-29 05:25:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:22,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:22,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586142807] [2023-11-29 05:25:22,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586142807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:22,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:22,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:22,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618649449] [2023-11-29 05:25:22,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:22,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:22,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:22,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:22,481 INFO L87 Difference]: Start difference. First operand 1065 states and 1755 transitions. Second operand has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:22,686 INFO L93 Difference]: Finished difference Result 2026 states and 3334 transitions. [2023-11-29 05:25:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:25:22,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 484 [2023-11-29 05:25:22,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:22,693 INFO L225 Difference]: With dead ends: 2026 [2023-11-29 05:25:22,693 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:22,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:25:22,695 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1612 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:22,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 5154 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:25:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:22,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6457142857142857) internal successors, (1728), 1050 states have internal predecessors, (1728), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1754 transitions. [2023-11-29 05:25:22,720 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1754 transitions. Word has length 484 [2023-11-29 05:25:22,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:22,720 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1754 transitions. [2023-11-29 05:25:22,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1754 transitions. [2023-11-29 05:25:22,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2023-11-29 05:25:22,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:22,724 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:22,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:25:22,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:22,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:22,725 INFO L85 PathProgramCache]: Analyzing trace with hash 335009149, now seen corresponding path program 1 times [2023-11-29 05:25:22,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:22,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792007432] [2023-11-29 05:25:22,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:22,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:23,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:23,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792007432] [2023-11-29 05:25:23,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792007432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:23,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:23,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:23,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213867834] [2023-11-29 05:25:23,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:23,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:23,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:23,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:23,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:23,494 INFO L87 Difference]: Start difference. First operand 1065 states and 1754 transitions. Second operand has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:23,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:23,743 INFO L93 Difference]: Finished difference Result 1970 states and 3242 transitions. [2023-11-29 05:25:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:23,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 485 [2023-11-29 05:25:23,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:23,750 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:23,750 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:23,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:23,753 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1724 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:23,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 3344 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:23,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6447619047619049) internal successors, (1727), 1050 states have internal predecessors, (1727), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1753 transitions. [2023-11-29 05:25:23,784 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1753 transitions. Word has length 485 [2023-11-29 05:25:23,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:23,785 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1753 transitions. [2023-11-29 05:25:23,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.6) internal successors, (423), 5 states have internal predecessors, (423), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1753 transitions. [2023-11-29 05:25:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-11-29 05:25:23,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:23,790 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:23,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:25:23,790 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:23,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash -79763881, now seen corresponding path program 1 times [2023-11-29 05:25:23,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139382328] [2023-11-29 05:25:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:24,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:24,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139382328] [2023-11-29 05:25:24,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139382328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:24,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:24,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:24,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384304497] [2023-11-29 05:25:24,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:24,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:24,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:24,570 INFO L87 Difference]: Start difference. First operand 1065 states and 1753 transitions. Second operand has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:24,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:24,811 INFO L93 Difference]: Finished difference Result 1970 states and 3240 transitions. [2023-11-29 05:25:24,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:24,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 486 [2023-11-29 05:25:24,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:24,819 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:24,819 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:24,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:24,821 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1685 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:24,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 3344 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6438095238095238) internal successors, (1726), 1050 states have internal predecessors, (1726), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1752 transitions. [2023-11-29 05:25:24,852 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1752 transitions. Word has length 486 [2023-11-29 05:25:24,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:24,853 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1752 transitions. [2023-11-29 05:25:24,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.8) internal successors, (424), 5 states have internal predecessors, (424), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1752 transitions. [2023-11-29 05:25:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2023-11-29 05:25:24,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:24,858 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:24,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:25:24,859 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:24,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:24,859 INFO L85 PathProgramCache]: Analyzing trace with hash -937721699, now seen corresponding path program 1 times [2023-11-29 05:25:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:24,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184181419] [2023-11-29 05:25:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:25,707 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:25,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184181419] [2023-11-29 05:25:25,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184181419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:25,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:25,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:25,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043893423] [2023-11-29 05:25:25,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:25,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:25,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:25,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:25,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:25,710 INFO L87 Difference]: Start difference. First operand 1065 states and 1752 transitions. Second operand has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:25,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:25,927 INFO L93 Difference]: Finished difference Result 1970 states and 3238 transitions. [2023-11-29 05:25:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:25,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 487 [2023-11-29 05:25:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:25,935 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:25,935 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:25,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:25,937 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 3033 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:25,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 3328 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:25,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:25,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:25,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6428571428571428) internal successors, (1725), 1050 states have internal predecessors, (1725), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:25,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1751 transitions. [2023-11-29 05:25:25,967 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1751 transitions. Word has length 487 [2023-11-29 05:25:25,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:25,968 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1751 transitions. [2023-11-29 05:25:25,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1751 transitions. [2023-11-29 05:25:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2023-11-29 05:25:25,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:25,973 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:25,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:25:25,974 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:25,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:25,974 INFO L85 PathProgramCache]: Analyzing trace with hash -895195299, now seen corresponding path program 1 times [2023-11-29 05:25:25,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:25,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529970327] [2023-11-29 05:25:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:25,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:26,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529970327] [2023-11-29 05:25:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529970327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:26,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:26,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:26,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306508551] [2023-11-29 05:25:26,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:26,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:26,700 INFO L87 Difference]: Start difference. First operand 1065 states and 1751 transitions. Second operand has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:26,940 INFO L93 Difference]: Finished difference Result 1970 states and 3236 transitions. [2023-11-29 05:25:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:26,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 488 [2023-11-29 05:25:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:26,947 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:26,947 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:26,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:26,949 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 3025 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:26,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 3328 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:26,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:26,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.641904761904762) internal successors, (1724), 1050 states have internal predecessors, (1724), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1750 transitions. [2023-11-29 05:25:26,979 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1750 transitions. Word has length 488 [2023-11-29 05:25:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:26,980 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1750 transitions. [2023-11-29 05:25:26,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1750 transitions. [2023-11-29 05:25:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2023-11-29 05:25:26,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:26,985 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:26,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:25:26,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:26,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1642102531, now seen corresponding path program 1 times [2023-11-29 05:25:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265273205] [2023-11-29 05:25:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:27,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265273205] [2023-11-29 05:25:27,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265273205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:27,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:27,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632791721] [2023-11-29 05:25:27,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:27,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:27,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:27,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:27,853 INFO L87 Difference]: Start difference. First operand 1065 states and 1750 transitions. Second operand has 5 states, 5 states have (on average 85.4) internal successors, (427), 5 states have internal predecessors, (427), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:28,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:28,065 INFO L93 Difference]: Finished difference Result 1970 states and 3234 transitions. [2023-11-29 05:25:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:28,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.4) internal successors, (427), 5 states have internal predecessors, (427), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 489 [2023-11-29 05:25:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:28,074 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:28,074 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:28,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:28,076 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 2947 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:28,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 3328 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:28,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.640952380952381) internal successors, (1723), 1050 states have internal predecessors, (1723), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1749 transitions. [2023-11-29 05:25:28,110 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1749 transitions. Word has length 489 [2023-11-29 05:25:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:28,111 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1749 transitions. [2023-11-29 05:25:28,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.4) internal successors, (427), 5 states have internal predecessors, (427), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1749 transitions. [2023-11-29 05:25:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2023-11-29 05:25:28,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:28,118 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:28,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 05:25:28,118 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:28,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1138423747, now seen corresponding path program 1 times [2023-11-29 05:25:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:28,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529617007] [2023-11-29 05:25:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:29,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529617007] [2023-11-29 05:25:29,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529617007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:29,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483193771] [2023-11-29 05:25:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:29,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:29,081 INFO L87 Difference]: Start difference. First operand 1065 states and 1749 transitions. Second operand has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:29,320 INFO L93 Difference]: Finished difference Result 1970 states and 3232 transitions. [2023-11-29 05:25:29,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:29,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 490 [2023-11-29 05:25:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:29,327 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:29,327 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:29,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:29,329 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 2939 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:29,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 3328 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:29,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.64) internal successors, (1722), 1050 states have internal predecessors, (1722), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:29,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1748 transitions. [2023-11-29 05:25:29,355 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1748 transitions. Word has length 490 [2023-11-29 05:25:29,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:29,356 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1748 transitions. [2023-11-29 05:25:29,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.6) internal successors, (428), 5 states have internal predecessors, (428), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1748 transitions. [2023-11-29 05:25:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:25:29,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:29,363 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:29,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 05:25:29,363 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:29,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:29,364 INFO L85 PathProgramCache]: Analyzing trace with hash 145174173, now seen corresponding path program 1 times [2023-11-29 05:25:29,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:29,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138414675] [2023-11-29 05:25:29,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:29,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:30,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:30,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138414675] [2023-11-29 05:25:30,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138414675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:30,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:30,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:30,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637863582] [2023-11-29 05:25:30,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:30,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:30,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:30,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:30,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:30,621 INFO L87 Difference]: Start difference. First operand 1065 states and 1748 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:30,826 INFO L93 Difference]: Finished difference Result 1970 states and 3230 transitions. [2023-11-29 05:25:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 491 [2023-11-29 05:25:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:30,833 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:30,833 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:30,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:30,835 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1469 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:30,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 3328 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:30,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:30,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.639047619047619) internal successors, (1721), 1050 states have internal predecessors, (1721), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1747 transitions. [2023-11-29 05:25:30,858 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1747 transitions. Word has length 491 [2023-11-29 05:25:30,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:30,859 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1747 transitions. [2023-11-29 05:25:30,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1747 transitions. [2023-11-29 05:25:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:25:30,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:30,864 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:30,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 05:25:30,864 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:30,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:30,865 INFO L85 PathProgramCache]: Analyzing trace with hash -685479461, now seen corresponding path program 1 times [2023-11-29 05:25:30,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:30,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077618129] [2023-11-29 05:25:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:32,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:32,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077618129] [2023-11-29 05:25:32,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077618129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:32,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:32,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506939000] [2023-11-29 05:25:32,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:32,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:32,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:32,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:32,217 INFO L87 Difference]: Start difference. First operand 1065 states and 1747 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:32,397 INFO L93 Difference]: Finished difference Result 1970 states and 3228 transitions. [2023-11-29 05:25:32,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:32,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 491 [2023-11-29 05:25:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:32,404 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:32,404 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:32,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:32,406 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1427 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:32,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 3328 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:25:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.638095238095238) internal successors, (1720), 1050 states have internal predecessors, (1720), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1746 transitions. [2023-11-29 05:25:32,433 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1746 transitions. Word has length 491 [2023-11-29 05:25:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:32,433 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1746 transitions. [2023-11-29 05:25:32,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1746 transitions. [2023-11-29 05:25:32,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:25:32,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:32,438 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:32,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 05:25:32,439 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:32,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:32,439 INFO L85 PathProgramCache]: Analyzing trace with hash -322012963, now seen corresponding path program 1 times [2023-11-29 05:25:32,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:32,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183990384] [2023-11-29 05:25:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:33,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:33,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183990384] [2023-11-29 05:25:33,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183990384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:33,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:33,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:33,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958986781] [2023-11-29 05:25:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:33,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:33,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:33,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:33,667 INFO L87 Difference]: Start difference. First operand 1065 states and 1746 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:33,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:33,847 INFO L93 Difference]: Finished difference Result 1970 states and 3226 transitions. [2023-11-29 05:25:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:33,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 491 [2023-11-29 05:25:33,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:33,852 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:33,852 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:33,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:33,853 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1385 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:33,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 3328 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:25:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6371428571428572) internal successors, (1719), 1050 states have internal predecessors, (1719), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1745 transitions. [2023-11-29 05:25:33,883 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1745 transitions. Word has length 491 [2023-11-29 05:25:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:33,884 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1745 transitions. [2023-11-29 05:25:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1745 transitions. [2023-11-29 05:25:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:25:33,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:33,889 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:33,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 05:25:33,889 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:33,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:33,890 INFO L85 PathProgramCache]: Analyzing trace with hash -350513253, now seen corresponding path program 1 times [2023-11-29 05:25:33,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:33,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249711589] [2023-11-29 05:25:33,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:35,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249711589] [2023-11-29 05:25:35,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249711589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:35,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:35,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:25:35,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801421679] [2023-11-29 05:25:35,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:35,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:25:35,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:35,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:25:35,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:25:35,162 INFO L87 Difference]: Start difference. First operand 1065 states and 1745 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:35,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:35,344 INFO L93 Difference]: Finished difference Result 1970 states and 3224 transitions. [2023-11-29 05:25:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:25:35,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 491 [2023-11-29 05:25:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:35,349 INFO L225 Difference]: With dead ends: 1970 [2023-11-29 05:25:35,349 INFO L226 Difference]: Without dead ends: 1065 [2023-11-29 05:25:35,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:35,350 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1343 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:35,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 3328 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:25:35,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-11-29 05:25:35,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2023-11-29 05:25:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 1050 states have (on average 1.6361904761904762) internal successors, (1718), 1050 states have internal predecessors, (1718), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1744 transitions. [2023-11-29 05:25:35,367 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1744 transitions. Word has length 491 [2023-11-29 05:25:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:35,367 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1744 transitions. [2023-11-29 05:25:35,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1744 transitions. [2023-11-29 05:25:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2023-11-29 05:25:35,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:35,370 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:35,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 05:25:35,371 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:35,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1915867933, now seen corresponding path program 1 times [2023-11-29 05:25:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:35,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629243862] [2023-11-29 05:25:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:35,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:37,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:37,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629243862] [2023-11-29 05:25:37,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629243862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:37,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:37,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:37,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577940305] [2023-11-29 05:25:37,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:37,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:37,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:37,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:37,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:37,251 INFO L87 Difference]: Start difference. First operand 1065 states and 1744 transitions. Second operand has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:38,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:38,170 INFO L93 Difference]: Finished difference Result 1974 states and 3228 transitions. [2023-11-29 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:25:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 491 [2023-11-29 05:25:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:38,178 INFO L225 Difference]: With dead ends: 1974 [2023-11-29 05:25:38,178 INFO L226 Difference]: Without dead ends: 1069 [2023-11-29 05:25:38,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:38,180 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1593 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:38,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 3921 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:25:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2023-11-29 05:25:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1067. [2023-11-29 05:25:38,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 1052 states have (on average 1.6349809885931559) internal successors, (1720), 1052 states have internal predecessors, (1720), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1746 transitions. [2023-11-29 05:25:38,214 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1746 transitions. Word has length 491 [2023-11-29 05:25:38,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:38,215 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1746 transitions. [2023-11-29 05:25:38,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.8) internal successors, (429), 5 states have internal predecessors, (429), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1746 transitions. [2023-11-29 05:25:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2023-11-29 05:25:38,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:38,222 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:38,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 05:25:38,223 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:38,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:38,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1470729243, now seen corresponding path program 1 times [2023-11-29 05:25:38,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:38,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904510769] [2023-11-29 05:25:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:38,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:40,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:40,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904510769] [2023-11-29 05:25:40,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904510769] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:40,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:40,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:40,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563878043] [2023-11-29 05:25:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:40,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:40,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:40,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:40,317 INFO L87 Difference]: Start difference. First operand 1067 states and 1746 transitions. Second operand has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:41,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:41,204 INFO L93 Difference]: Finished difference Result 1978 states and 3232 transitions. [2023-11-29 05:25:41,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:25:41,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 492 [2023-11-29 05:25:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:41,209 INFO L225 Difference]: With dead ends: 1978 [2023-11-29 05:25:41,209 INFO L226 Difference]: Without dead ends: 1071 [2023-11-29 05:25:41,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:41,211 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1513 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:41,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 3905 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:25:41,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2023-11-29 05:25:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1069. [2023-11-29 05:25:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 1054 states have (on average 1.633776091081594) internal successors, (1722), 1054 states have internal predecessors, (1722), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1748 transitions. [2023-11-29 05:25:41,231 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1748 transitions. Word has length 492 [2023-11-29 05:25:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:41,232 INFO L495 AbstractCegarLoop]: Abstraction has 1069 states and 1748 transitions. [2023-11-29 05:25:41,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1748 transitions. [2023-11-29 05:25:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2023-11-29 05:25:41,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:41,236 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:41,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 05:25:41,236 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:41,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:41,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1840537443, now seen corresponding path program 1 times [2023-11-29 05:25:41,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:41,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622385931] [2023-11-29 05:25:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-29 05:25:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-29 05:25:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-29 05:25:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-29 05:25:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:25:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:25:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:25:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:25:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:25:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:43,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:43,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622385931] [2023-11-29 05:25:43,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622385931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:43,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:43,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:25:43,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544210522] [2023-11-29 05:25:43,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:43,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:25:43,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:43,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:25:43,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:25:43,710 INFO L87 Difference]: Start difference. First operand 1069 states and 1748 transitions. Second operand has 10 states, 10 states have (on average 43.1) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:25:45,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:45,267 INFO L93 Difference]: Finished difference Result 3822 states and 6239 transitions. [2023-11-29 05:25:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 05:25:45,268 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 43.1) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 493 [2023-11-29 05:25:45,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:45,278 INFO L225 Difference]: With dead ends: 3822 [2023-11-29 05:25:45,279 INFO L226 Difference]: Without dead ends: 2909 [2023-11-29 05:25:45,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:25:45,281 INFO L413 NwaCegarLoop]: 3214 mSDtfsCounter, 6997 mSDsluCounter, 21801 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6997 SdHoareTripleChecker+Valid, 25015 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:45,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6997 Valid, 25015 Invalid, 1082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:25:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2023-11-29 05:25:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 1083. [2023-11-29 05:25:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1068 states have (on average 1.6329588014981273) internal successors, (1744), 1068 states have internal predecessors, (1744), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1770 transitions. [2023-11-29 05:25:45,327 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1770 transitions. Word has length 493 [2023-11-29 05:25:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:45,327 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1770 transitions. [2023-11-29 05:25:45,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 43.1) internal successors, (431), 10 states have internal predecessors, (431), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:25:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1770 transitions. [2023-11-29 05:25:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-29 05:25:45,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:45,333 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:45,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 05:25:45,333 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:45,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash 278543081, now seen corresponding path program 1 times [2023-11-29 05:25:45,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:45,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358211888] [2023-11-29 05:25:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:45,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:25:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:25:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:25:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:25:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:25:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:25:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-29 05:25:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:25:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:25:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:47,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:47,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358211888] [2023-11-29 05:25:47,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358211888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:47,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:47,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:25:47,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005731441] [2023-11-29 05:25:47,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:47,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:25:47,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:47,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:25:47,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:25:47,953 INFO L87 Difference]: Start difference. First operand 1083 states and 1770 transitions. Second operand has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:48,517 INFO L93 Difference]: Finished difference Result 3830 states and 6252 transitions. [2023-11-29 05:25:48,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:25:48,518 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 494 [2023-11-29 05:25:48,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:48,526 INFO L225 Difference]: With dead ends: 3830 [2023-11-29 05:25:48,526 INFO L226 Difference]: Without dead ends: 2907 [2023-11-29 05:25:48,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:25:48,528 INFO L413 NwaCegarLoop]: 2012 mSDtfsCounter, 8587 mSDsluCounter, 9295 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8596 SdHoareTripleChecker+Valid, 11307 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:48,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8596 Valid, 11307 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:25:48,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2023-11-29 05:25:48,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 1083. [2023-11-29 05:25:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 1068 states have (on average 1.6320224719101124) internal successors, (1743), 1068 states have internal predecessors, (1743), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1769 transitions. [2023-11-29 05:25:48,567 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1769 transitions. Word has length 494 [2023-11-29 05:25:48,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:48,567 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1769 transitions. [2023-11-29 05:25:48,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:48,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1769 transitions. [2023-11-29 05:25:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-29 05:25:48,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:48,573 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:48,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 05:25:48,574 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:48,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 10510469, now seen corresponding path program 1 times [2023-11-29 05:25:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742607170] [2023-11-29 05:25:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:25:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:25:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:25:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:25:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:25:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:25:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-29 05:25:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:25:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:25:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:51,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:51,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742607170] [2023-11-29 05:25:51,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742607170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:51,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:51,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:51,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135519616] [2023-11-29 05:25:51,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:51,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:25:51,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:51,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:25:51,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:51,458 INFO L87 Difference]: Start difference. First operand 1083 states and 1769 transitions. Second operand has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:52,404 INFO L93 Difference]: Finished difference Result 2008 states and 3275 transitions. [2023-11-29 05:25:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:25:52,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 494 [2023-11-29 05:25:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:52,408 INFO L225 Difference]: With dead ends: 2008 [2023-11-29 05:25:52,408 INFO L226 Difference]: Without dead ends: 1085 [2023-11-29 05:25:52,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:25:52,410 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1431 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 3889 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:52,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 3889 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:25:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-11-29 05:25:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1084. [2023-11-29 05:25:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1069 states have (on average 1.6314312441534145) internal successors, (1744), 1069 states have internal predecessors, (1744), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:25:52,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 1770 transitions. [2023-11-29 05:25:52,441 INFO L78 Accepts]: Start accepts. Automaton has 1084 states and 1770 transitions. Word has length 494 [2023-11-29 05:25:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:52,442 INFO L495 AbstractCegarLoop]: Abstraction has 1084 states and 1770 transitions. [2023-11-29 05:25:52,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:25:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1770 transitions. [2023-11-29 05:25:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-29 05:25:52,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:52,447 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:52,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 05:25:52,448 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:52,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:52,448 INFO L85 PathProgramCache]: Analyzing trace with hash 421120835, now seen corresponding path program 1 times [2023-11-29 05:25:52,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:52,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58861759] [2023-11-29 05:25:52,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:25:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:25:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:25:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:25:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:25:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:25:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-29 05:25:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:25:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:25:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:54,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:54,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58861759] [2023-11-29 05:25:54,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58861759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:54,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:54,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:25:54,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222690989] [2023-11-29 05:25:54,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:54,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:25:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:54,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:25:54,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:54,623 INFO L87 Difference]: Start difference. First operand 1084 states and 1770 transitions. Second operand has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:25:55,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:55,189 INFO L93 Difference]: Finished difference Result 2961 states and 4827 transitions. [2023-11-29 05:25:55,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:25:55,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 494 [2023-11-29 05:25:55,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:55,196 INFO L225 Difference]: With dead ends: 2961 [2023-11-29 05:25:55,196 INFO L226 Difference]: Without dead ends: 2015 [2023-11-29 05:25:55,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:25:55,198 INFO L413 NwaCegarLoop]: 1734 mSDtfsCounter, 1465 mSDsluCounter, 6513 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 8247 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:55,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 8247 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:25:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2023-11-29 05:25:55,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1173. [2023-11-29 05:25:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1154 states have (on average 1.6299826689774697) internal successors, (1881), 1154 states have internal predecessors, (1881), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-29 05:25:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1915 transitions. [2023-11-29 05:25:55,226 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1915 transitions. Word has length 494 [2023-11-29 05:25:55,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:55,227 INFO L495 AbstractCegarLoop]: Abstraction has 1173 states and 1915 transitions. [2023-11-29 05:25:55,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:25:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1915 transitions. [2023-11-29 05:25:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-11-29 05:25:55,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:55,230 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:55,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 05:25:55,230 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:55,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1032123733, now seen corresponding path program 1 times [2023-11-29 05:25:55,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:55,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237438496] [2023-11-29 05:25:55,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:25:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:25:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:25:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:25:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:25:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:25:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:25:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:25:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:25:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:25:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-29 05:25:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:25:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:25:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:25:58,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237438496] [2023-11-29 05:25:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237438496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:58,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:58,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:25:58,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003544258] [2023-11-29 05:25:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:58,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:25:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:58,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:25:58,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:25:58,487 INFO L87 Difference]: Start difference. First operand 1173 states and 1915 transitions. Second operand has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:59,117 INFO L93 Difference]: Finished difference Result 4223 states and 6886 transitions. [2023-11-29 05:25:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:25:59,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 494 [2023-11-29 05:25:59,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:59,124 INFO L225 Difference]: With dead ends: 4223 [2023-11-29 05:25:59,124 INFO L226 Difference]: Without dead ends: 3299 [2023-11-29 05:25:59,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:25:59,126 INFO L413 NwaCegarLoop]: 3240 mSDtfsCounter, 7518 mSDsluCounter, 12108 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7531 SdHoareTripleChecker+Valid, 15348 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:59,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7531 Valid, 15348 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:25:59,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2023-11-29 05:25:59,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 1463. [2023-11-29 05:25:59,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1431 states have (on average 1.6254367575122293) internal successors, (2326), 1431 states have internal predecessors, (2326), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:25:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2386 transitions. [2023-11-29 05:25:59,176 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2386 transitions. Word has length 494 [2023-11-29 05:25:59,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:59,176 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2386 transitions. [2023-11-29 05:25:59,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.0) internal successors, (432), 8 states have internal predecessors, (432), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:25:59,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2386 transitions. [2023-11-29 05:25:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2023-11-29 05:25:59,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:59,181 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:59,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 05:25:59,181 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:25:59,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:59,181 INFO L85 PathProgramCache]: Analyzing trace with hash -362239829, now seen corresponding path program 1 times [2023-11-29 05:25:59,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:59,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83813179] [2023-11-29 05:25:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:59,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:26:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:26:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:26:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:26:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:26:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:26:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:26:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:26:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:26:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-29 05:26:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 05:26:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 05:26:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:26:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:01,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:01,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83813179] [2023-11-29 05:26:01,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83813179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:01,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:01,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:26:01,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735347875] [2023-11-29 05:26:01,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:01,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:26:01,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:01,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:26:01,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:01,566 INFO L87 Difference]: Start difference. First operand 1463 states and 2386 transitions. Second operand has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:02,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:02,462 INFO L93 Difference]: Finished difference Result 2389 states and 3893 transitions. [2023-11-29 05:26:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:26:02,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 495 [2023-11-29 05:26:02,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:02,466 INFO L225 Difference]: With dead ends: 2389 [2023-11-29 05:26:02,466 INFO L226 Difference]: Without dead ends: 1465 [2023-11-29 05:26:02,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:02,468 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 1346 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:02,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 3921 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:26:02,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2023-11-29 05:26:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1464. [2023-11-29 05:26:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1432 states have (on average 1.625) internal successors, (2327), 1432 states have internal predecessors, (2327), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:26:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2387 transitions. [2023-11-29 05:26:02,515 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2387 transitions. Word has length 495 [2023-11-29 05:26:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:02,516 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 2387 transitions. [2023-11-29 05:26:02,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.6) internal successors, (433), 5 states have internal predecessors, (433), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2387 transitions. [2023-11-29 05:26:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2023-11-29 05:26:02,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:02,521 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:02,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 05:26:02,521 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:02,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:02,521 INFO L85 PathProgramCache]: Analyzing trace with hash 898677421, now seen corresponding path program 1 times [2023-11-29 05:26:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125571781] [2023-11-29 05:26:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:26:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:26:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:26:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:26:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:26:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:26:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:26:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:26:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:26:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-29 05:26:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 05:26:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 05:26:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:26:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:04,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125571781] [2023-11-29 05:26:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125571781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:04,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:04,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:26:04,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713448197] [2023-11-29 05:26:04,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:04,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:26:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:26:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:26:04,744 INFO L87 Difference]: Start difference. First operand 1464 states and 2387 transitions. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:05,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:05,452 INFO L93 Difference]: Finished difference Result 2389 states and 3892 transitions. [2023-11-29 05:26:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:26:05,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 495 [2023-11-29 05:26:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:05,456 INFO L225 Difference]: With dead ends: 2389 [2023-11-29 05:26:05,456 INFO L226 Difference]: Without dead ends: 1464 [2023-11-29 05:26:05,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:26:05,458 INFO L413 NwaCegarLoop]: 1313 mSDtfsCounter, 1616 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 2610 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:05,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 2610 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:26:05,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2023-11-29 05:26:05,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1464. [2023-11-29 05:26:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1432 states have (on average 1.6243016759776536) internal successors, (2326), 1432 states have internal predecessors, (2326), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:26:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2386 transitions. [2023-11-29 05:26:05,507 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2386 transitions. Word has length 495 [2023-11-29 05:26:05,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:05,508 INFO L495 AbstractCegarLoop]: Abstraction has 1464 states and 2386 transitions. [2023-11-29 05:26:05,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2386 transitions. [2023-11-29 05:26:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2023-11-29 05:26:05,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:05,512 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:05,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 05:26:05,513 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:05,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:05,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1102396365, now seen corresponding path program 1 times [2023-11-29 05:26:05,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:05,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5727774] [2023-11-29 05:26:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:05,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-29 05:26:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-29 05:26:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-29 05:26:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 05:26:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 05:26:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 05:26:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-29 05:26:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-29 05:26:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:26:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-29 05:26:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 05:26:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 05:26:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:26:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:07,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:07,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5727774] [2023-11-29 05:26:07,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5727774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:07,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:07,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:26:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574509836] [2023-11-29 05:26:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:07,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:26:07,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:26:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:07,427 INFO L87 Difference]: Start difference. First operand 1464 states and 2386 transitions. Second operand has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:08,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:08,239 INFO L93 Difference]: Finished difference Result 2869 states and 4647 transitions. [2023-11-29 05:26:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:26:08,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 496 [2023-11-29 05:26:08,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:08,242 INFO L225 Difference]: With dead ends: 2869 [2023-11-29 05:26:08,242 INFO L226 Difference]: Without dead ends: 1493 [2023-11-29 05:26:08,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:26:08,245 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 3194 mSDsluCounter, 5095 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3194 SdHoareTripleChecker+Valid, 6836 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:08,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3194 Valid, 6836 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:26:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2023-11-29 05:26:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1472. [2023-11-29 05:26:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1440 states have (on average 1.6180555555555556) internal successors, (2330), 1440 states have internal predecessors, (2330), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:26:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 2390 transitions. [2023-11-29 05:26:08,288 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 2390 transitions. Word has length 496 [2023-11-29 05:26:08,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:08,289 INFO L495 AbstractCegarLoop]: Abstraction has 1472 states and 2390 transitions. [2023-11-29 05:26:08,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.0) internal successors, (434), 7 states have internal predecessors, (434), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:08,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2390 transitions. [2023-11-29 05:26:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2023-11-29 05:26:08,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:08,293 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:08,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 05:26:08,293 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:08,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash 179625085, now seen corresponding path program 1 times [2023-11-29 05:26:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442380252] [2023-11-29 05:26:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-29 05:26:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 05:26:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 05:26:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-29 05:26:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-29 05:26:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-29 05:26:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-29 05:26:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 05:26:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-29 05:26:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-29 05:26:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-29 05:26:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-29 05:26:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:10,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:10,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442380252] [2023-11-29 05:26:10,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442380252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:10,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:10,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:26:10,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303764439] [2023-11-29 05:26:10,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:10,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:26:10,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:10,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:26:10,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:10,441 INFO L87 Difference]: Start difference. First operand 1472 states and 2390 transitions. Second operand has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:11,519 INFO L93 Difference]: Finished difference Result 2649 states and 4293 transitions. [2023-11-29 05:26:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:26:11,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 497 [2023-11-29 05:26:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:11,522 INFO L225 Difference]: With dead ends: 2649 [2023-11-29 05:26:11,522 INFO L226 Difference]: Without dead ends: 1517 [2023-11-29 05:26:11,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:11,525 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 3162 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 1491 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3162 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:11,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3162 Valid, 4218 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1491 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 05:26:11,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2023-11-29 05:26:11,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1480. [2023-11-29 05:26:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1480 states, 1448 states have (on average 1.611878453038674) internal successors, (2334), 1448 states have internal predecessors, (2334), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:26:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 2394 transitions. [2023-11-29 05:26:11,566 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 2394 transitions. Word has length 497 [2023-11-29 05:26:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:11,567 INFO L495 AbstractCegarLoop]: Abstraction has 1480 states and 2394 transitions. [2023-11-29 05:26:11,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2394 transitions. [2023-11-29 05:26:11,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2023-11-29 05:26:11,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:11,571 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:11,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 05:26:11,572 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:11,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:11,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2107580107, now seen corresponding path program 1 times [2023-11-29 05:26:11,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:11,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002943859] [2023-11-29 05:26:11,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:11,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 05:26:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 05:26:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 05:26:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 05:26:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-29 05:26:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-29 05:26:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-29 05:26:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:13,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:13,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002943859] [2023-11-29 05:26:13,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002943859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:13,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:13,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:26:13,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629127186] [2023-11-29 05:26:13,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:13,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:26:13,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:13,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:26:13,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:13,972 INFO L87 Difference]: Start difference. First operand 1480 states and 2394 transitions. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:14,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:14,769 INFO L93 Difference]: Finished difference Result 2413 states and 3906 transitions. [2023-11-29 05:26:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:26:14,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 498 [2023-11-29 05:26:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:14,773 INFO L225 Difference]: With dead ends: 2413 [2023-11-29 05:26:14,773 INFO L226 Difference]: Without dead ends: 1484 [2023-11-29 05:26:14,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:14,775 INFO L413 NwaCegarLoop]: 1310 mSDtfsCounter, 1500 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 3915 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:14,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 3915 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:26:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2023-11-29 05:26:14,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1482. [2023-11-29 05:26:14,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1450 states have (on average 1.6110344827586207) internal successors, (2336), 1450 states have internal predecessors, (2336), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 05:26:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 2396 transitions. [2023-11-29 05:26:14,830 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 2396 transitions. Word has length 498 [2023-11-29 05:26:14,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:14,831 INFO L495 AbstractCegarLoop]: Abstraction has 1482 states and 2396 transitions. [2023-11-29 05:26:14,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:14,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2396 transitions. [2023-11-29 05:26:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2023-11-29 05:26:14,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:14,836 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:14,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 05:26:14,837 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:14,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -200275281, now seen corresponding path program 1 times [2023-11-29 05:26:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483710263] [2023-11-29 05:26:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 05:26:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 05:26:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 05:26:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 05:26:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-29 05:26:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-29 05:26:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-29 05:26:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:17,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483710263] [2023-11-29 05:26:17,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483710263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:17,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:17,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:26:17,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660944281] [2023-11-29 05:26:17,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:17,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:26:17,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:17,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:26:17,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:26:17,865 INFO L87 Difference]: Start difference. First operand 1482 states and 2396 transitions. Second operand has 8 states, 8 states have (on average 54.625) internal successors, (437), 8 states have internal predecessors, (437), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:18,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:18,281 INFO L93 Difference]: Finished difference Result 4784 states and 7740 transitions. [2023-11-29 05:26:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:26:18,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.625) internal successors, (437), 8 states have internal predecessors, (437), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 499 [2023-11-29 05:26:18,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:18,288 INFO L225 Difference]: With dead ends: 4784 [2023-11-29 05:26:18,288 INFO L226 Difference]: Without dead ends: 3853 [2023-11-29 05:26:18,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:18,290 INFO L413 NwaCegarLoop]: 3230 mSDtfsCounter, 7160 mSDsluCounter, 11627 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7180 SdHoareTripleChecker+Valid, 14857 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:18,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7180 Valid, 14857 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:26:18,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2023-11-29 05:26:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 2083. [2023-11-29 05:26:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 2023 states have (on average 1.6000988630746416) internal successors, (3237), 2023 states have internal predecessors, (3237), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:26:18,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3353 transitions. [2023-11-29 05:26:18,365 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3353 transitions. Word has length 499 [2023-11-29 05:26:18,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:18,366 INFO L495 AbstractCegarLoop]: Abstraction has 2083 states and 3353 transitions. [2023-11-29 05:26:18,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.625) internal successors, (437), 8 states have internal predecessors, (437), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3353 transitions. [2023-11-29 05:26:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-11-29 05:26:18,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:18,370 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:18,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 05:26:18,370 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:18,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:18,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2083727283, now seen corresponding path program 1 times [2023-11-29 05:26:18,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:18,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032728976] [2023-11-29 05:26:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 05:26:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 05:26:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 05:26:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 05:26:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-29 05:26:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:26:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 05:26:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:20,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:20,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032728976] [2023-11-29 05:26:20,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032728976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:20,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:20,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:26:20,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123662617] [2023-11-29 05:26:20,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:20,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:26:20,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:20,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:26:20,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:26:20,743 INFO L87 Difference]: Start difference. First operand 2083 states and 3353 transitions. Second operand has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:22,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:22,632 INFO L93 Difference]: Finished difference Result 4837 states and 7791 transitions. [2023-11-29 05:26:22,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:26:22,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 500 [2023-11-29 05:26:22,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:22,640 INFO L225 Difference]: With dead ends: 4837 [2023-11-29 05:26:22,640 INFO L226 Difference]: Without dead ends: 3694 [2023-11-29 05:26:22,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:26:22,643 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 5760 mSDsluCounter, 5830 mSDsCounter, 0 mSdLazyCounter, 2446 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5773 SdHoareTripleChecker+Valid, 7282 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:22,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5773 Valid, 7282 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2446 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:26:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2023-11-29 05:26:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3669. [2023-11-29 05:26:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3669 states, 3551 states have (on average 1.5972965361869895) internal successors, (5672), 3551 states have internal predecessors, (5672), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3669 states and 5904 transitions. [2023-11-29 05:26:22,765 INFO L78 Accepts]: Start accepts. Automaton has 3669 states and 5904 transitions. Word has length 500 [2023-11-29 05:26:22,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:22,765 INFO L495 AbstractCegarLoop]: Abstraction has 3669 states and 5904 transitions. [2023-11-29 05:26:22,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3669 states and 5904 transitions. [2023-11-29 05:26:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-11-29 05:26:22,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:22,771 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:22,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-29 05:26:22,772 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:22,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:22,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1394600565, now seen corresponding path program 1 times [2023-11-29 05:26:22,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:22,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015078379] [2023-11-29 05:26:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 05:26:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 05:26:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 05:26:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 05:26:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-29 05:26:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:26:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 05:26:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:24,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015078379] [2023-11-29 05:26:24,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015078379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:24,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:24,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:26:24,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486738308] [2023-11-29 05:26:24,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:24,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:26:24,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:26:24,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:26:24,924 INFO L87 Difference]: Start difference. First operand 3669 states and 5904 transitions. Second operand has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:26,211 INFO L93 Difference]: Finished difference Result 3912 states and 6283 transitions. [2023-11-29 05:26:26,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:26:26,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 500 [2023-11-29 05:26:26,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:26,215 INFO L225 Difference]: With dead ends: 3912 [2023-11-29 05:26:26,215 INFO L226 Difference]: Without dead ends: 2112 [2023-11-29 05:26:26,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:26:26,218 INFO L413 NwaCegarLoop]: 1728 mSDtfsCounter, 1993 mSDsluCounter, 6376 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 8104 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:26,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 8104 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:26:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2023-11-29 05:26:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2091. [2023-11-29 05:26:26,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 2031 states have (on average 1.5977351058591827) internal successors, (3245), 2031 states have internal predecessors, (3245), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:26:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 3361 transitions. [2023-11-29 05:26:26,329 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 3361 transitions. Word has length 500 [2023-11-29 05:26:26,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:26,329 INFO L495 AbstractCegarLoop]: Abstraction has 2091 states and 3361 transitions. [2023-11-29 05:26:26,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.75) internal successors, (438), 8 states have internal predecessors, (438), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:26,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 3361 transitions. [2023-11-29 05:26:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2023-11-29 05:26:26,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:26,335 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:26,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-29 05:26:26,336 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:26,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:26,336 INFO L85 PathProgramCache]: Analyzing trace with hash 42649935, now seen corresponding path program 1 times [2023-11-29 05:26:26,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:26,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408226092] [2023-11-29 05:26:26,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:26,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-29 05:26:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-29 05:26:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 05:26:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 05:26:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-11-29 05:26:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:26:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 05:26:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:28,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:28,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408226092] [2023-11-29 05:26:28,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408226092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:28,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:28,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:26:28,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140467029] [2023-11-29 05:26:28,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:28,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:26:28,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:28,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:26:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:28,827 INFO L87 Difference]: Start difference. First operand 2091 states and 3361 transitions. Second operand has 7 states, 7 states have (on average 62.57142857142857) internal successors, (438), 7 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:30,149 INFO L93 Difference]: Finished difference Result 3297 states and 5303 transitions. [2023-11-29 05:26:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:26:30,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.57142857142857) internal successors, (438), 7 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 500 [2023-11-29 05:26:30,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:30,151 INFO L225 Difference]: With dead ends: 3297 [2023-11-29 05:26:30,151 INFO L226 Difference]: Without dead ends: 2238 [2023-11-29 05:26:30,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:30,153 INFO L413 NwaCegarLoop]: 1391 mSDtfsCounter, 3102 mSDsluCounter, 3159 mSDsCounter, 0 mSdLazyCounter, 1718 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 4550 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:30,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 4550 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1718 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:26:30,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2023-11-29 05:26:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2099. [2023-11-29 05:26:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 2039 states have (on average 1.5934281510544384) internal successors, (3249), 2039 states have internal predecessors, (3249), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:26:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3365 transitions. [2023-11-29 05:26:30,222 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 3365 transitions. Word has length 500 [2023-11-29 05:26:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 2099 states and 3365 transitions. [2023-11-29 05:26:30,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.57142857142857) internal successors, (438), 7 states have internal predecessors, (438), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:26:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 3365 transitions. [2023-11-29 05:26:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-29 05:26:30,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:30,226 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:30,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-29 05:26:30,226 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:30,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1300201255, now seen corresponding path program 1 times [2023-11-29 05:26:30,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162105544] [2023-11-29 05:26:30,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-29 05:26:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 05:26:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-29 05:26:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 05:26:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-29 05:26:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 05:26:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:26:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:32,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:32,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162105544] [2023-11-29 05:26:32,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162105544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:32,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:32,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:26:32,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163087503] [2023-11-29 05:26:32,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:32,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:26:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:32,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:26:32,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:32,672 INFO L87 Difference]: Start difference. First operand 2099 states and 3365 transitions. Second operand has 5 states, 5 states have (on average 87.8) internal successors, (439), 5 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:33,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:33,538 INFO L93 Difference]: Finished difference Result 3035 states and 4878 transitions. [2023-11-29 05:26:33,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:26:33,539 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 87.8) internal successors, (439), 5 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 501 [2023-11-29 05:26:33,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:33,541 INFO L225 Difference]: With dead ends: 3035 [2023-11-29 05:26:33,542 INFO L226 Difference]: Without dead ends: 2101 [2023-11-29 05:26:33,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:26:33,544 INFO L413 NwaCegarLoop]: 1309 mSDtfsCounter, 1378 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:33,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 3896 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:26:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2023-11-29 05:26:33,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2100. [2023-11-29 05:26:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2040 states have (on average 1.5931372549019607) internal successors, (3250), 2040 states have internal predecessors, (3250), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:26:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 3366 transitions. [2023-11-29 05:26:33,641 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 3366 transitions. Word has length 501 [2023-11-29 05:26:33,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:33,642 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 3366 transitions. [2023-11-29 05:26:33,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.8) internal successors, (439), 5 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 3366 transitions. [2023-11-29 05:26:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-29 05:26:33,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:33,648 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:33,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-29 05:26:33,649 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:33,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:33,649 INFO L85 PathProgramCache]: Analyzing trace with hash -269160357, now seen corresponding path program 1 times [2023-11-29 05:26:33,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:33,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746920452] [2023-11-29 05:26:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-29 05:26:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 05:26:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-29 05:26:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 05:26:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-29 05:26:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 05:26:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:26:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:37,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:37,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746920452] [2023-11-29 05:26:37,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746920452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:37,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:37,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:26:37,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957305552] [2023-11-29 05:26:37,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:37,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:26:37,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:37,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:26:37,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:37,188 INFO L87 Difference]: Start difference. First operand 2100 states and 3366 transitions. Second operand has 10 states, 10 states have (on average 43.9) internal successors, (439), 10 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:38,427 INFO L93 Difference]: Finished difference Result 8494 states and 13595 transitions. [2023-11-29 05:26:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:26:38,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 43.9) internal successors, (439), 10 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 501 [2023-11-29 05:26:38,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:38,435 INFO L225 Difference]: With dead ends: 8494 [2023-11-29 05:26:38,435 INFO L226 Difference]: Without dead ends: 7559 [2023-11-29 05:26:38,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:26:38,438 INFO L413 NwaCegarLoop]: 3265 mSDtfsCounter, 11917 mSDsluCounter, 15580 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11943 SdHoareTripleChecker+Valid, 18845 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:38,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11943 Valid, 18845 Invalid, 842 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [88 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:26:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2023-11-29 05:26:38,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 3387. [2023-11-29 05:26:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 3269 states have (on average 1.582441113490364) internal successors, (5173), 3269 states have internal predecessors, (5173), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 5405 transitions. [2023-11-29 05:26:38,690 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 5405 transitions. Word has length 501 [2023-11-29 05:26:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:38,690 INFO L495 AbstractCegarLoop]: Abstraction has 3387 states and 5405 transitions. [2023-11-29 05:26:38,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 43.9) internal successors, (439), 10 states have internal predecessors, (439), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:26:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 5405 transitions. [2023-11-29 05:26:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-29 05:26:38,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:38,697 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:38,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-29 05:26:38,697 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:38,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:38,698 INFO L85 PathProgramCache]: Analyzing trace with hash -911325695, now seen corresponding path program 1 times [2023-11-29 05:26:38,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:38,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831409856] [2023-11-29 05:26:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-29 05:26:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 05:26:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-29 05:26:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 05:26:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-29 05:26:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 05:26:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:26:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:40,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:40,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831409856] [2023-11-29 05:26:40,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831409856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:40,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:40,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:26:40,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314241620] [2023-11-29 05:26:40,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:40,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:26:40,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:40,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:26:40,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:26:40,874 INFO L87 Difference]: Start difference. First operand 3387 states and 5405 transitions. Second operand has 8 states, 8 states have (on average 54.875) internal successors, (439), 8 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:42,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:42,562 INFO L93 Difference]: Finished difference Result 4784 states and 7649 transitions. [2023-11-29 05:26:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:26:42,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 54.875) internal successors, (439), 8 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 501 [2023-11-29 05:26:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:42,566 INFO L225 Difference]: With dead ends: 4784 [2023-11-29 05:26:42,566 INFO L226 Difference]: Without dead ends: 3534 [2023-11-29 05:26:42,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:26:42,568 INFO L413 NwaCegarLoop]: 1391 mSDtfsCounter, 3147 mSDsluCounter, 4507 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 5898 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:42,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 5898 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:26:42,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3534 states. [2023-11-29 05:26:42,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3534 to 3395. [2023-11-29 05:26:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 3277 states have (on average 1.581019224900824) internal successors, (5181), 3277 states have internal predecessors, (5181), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 5413 transitions. [2023-11-29 05:26:42,805 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 5413 transitions. Word has length 501 [2023-11-29 05:26:42,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:42,805 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 5413 transitions. [2023-11-29 05:26:42,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 54.875) internal successors, (439), 8 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:42,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 5413 transitions. [2023-11-29 05:26:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-29 05:26:42,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:42,814 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:42,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-29 05:26:42,814 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:42,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash -620981057, now seen corresponding path program 1 times [2023-11-29 05:26:42,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648852783] [2023-11-29 05:26:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 05:26:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 05:26:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-29 05:26:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-29 05:26:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 05:26:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-29 05:26:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-29 05:26:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-11-29 05:26:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2023-11-29 05:26:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:26:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:44,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:44,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648852783] [2023-11-29 05:26:44,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648852783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:44,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:44,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:26:44,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839753716] [2023-11-29 05:26:44,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:44,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:26:44,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:44,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:26:44,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:44,735 INFO L87 Difference]: Start difference. First operand 3395 states and 5413 transitions. Second operand has 7 states, 7 states have (on average 62.714285714285715) internal successors, (439), 7 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:46,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:46,103 INFO L93 Difference]: Finished difference Result 5361 states and 8535 transitions. [2023-11-29 05:26:46,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:26:46,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.714285714285715) internal successors, (439), 7 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 501 [2023-11-29 05:26:46,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:46,106 INFO L225 Difference]: With dead ends: 5361 [2023-11-29 05:26:46,106 INFO L226 Difference]: Without dead ends: 3519 [2023-11-29 05:26:46,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:46,109 INFO L413 NwaCegarLoop]: 1333 mSDtfsCounter, 4717 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 1570 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4718 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:46,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4718 Valid, 4301 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1570 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:26:46,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3519 states. [2023-11-29 05:26:46,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3519 to 3427. [2023-11-29 05:26:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3427 states, 3309 states have (on average 1.5705651254155335) internal successors, (5197), 3309 states have internal predecessors, (5197), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 5429 transitions. [2023-11-29 05:26:46,327 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 5429 transitions. Word has length 501 [2023-11-29 05:26:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:46,328 INFO L495 AbstractCegarLoop]: Abstraction has 3427 states and 5429 transitions. [2023-11-29 05:26:46,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.714285714285715) internal successors, (439), 7 states have internal predecessors, (439), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 5429 transitions. [2023-11-29 05:26:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2023-11-29 05:26:46,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:46,333 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:46,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-29 05:26:46,334 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:46,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:46,334 INFO L85 PathProgramCache]: Analyzing trace with hash -505650119, now seen corresponding path program 1 times [2023-11-29 05:26:46,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:46,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823114357] [2023-11-29 05:26:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:26:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:26:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:26:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:26:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:26:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-29 05:26:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2023-11-29 05:26:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-29 05:26:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-11-29 05:26:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-29 05:26:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:48,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:48,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823114357] [2023-11-29 05:26:48,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823114357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:48,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:48,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:26:48,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350264091] [2023-11-29 05:26:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:48,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:26:48,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:48,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:26:48,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:26:48,290 INFO L87 Difference]: Start difference. First operand 3427 states and 5429 transitions. Second operand has 7 states, 7 states have (on average 62.857142857142854) internal successors, (440), 7 states have internal predecessors, (440), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:49,759 INFO L93 Difference]: Finished difference Result 4719 states and 7491 transitions. [2023-11-29 05:26:49,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:26:49,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.857142857142854) internal successors, (440), 7 states have internal predecessors, (440), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 502 [2023-11-29 05:26:49,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:49,763 INFO L225 Difference]: With dead ends: 4719 [2023-11-29 05:26:49,764 INFO L226 Difference]: Without dead ends: 3620 [2023-11-29 05:26:49,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:26:49,766 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 3090 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:49,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 4642 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 05:26:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2023-11-29 05:26:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3443. [2023-11-29 05:26:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3443 states, 3325 states have (on average 1.5654135338345865) internal successors, (5205), 3325 states have internal predecessors, (5205), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5437 transitions. [2023-11-29 05:26:49,924 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5437 transitions. Word has length 502 [2023-11-29 05:26:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:49,924 INFO L495 AbstractCegarLoop]: Abstraction has 3443 states and 5437 transitions. [2023-11-29 05:26:49,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.857142857142854) internal successors, (440), 7 states have internal predecessors, (440), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5437 transitions. [2023-11-29 05:26:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2023-11-29 05:26:49,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:49,930 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:49,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-29 05:26:49,931 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:49,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash 342669857, now seen corresponding path program 1 times [2023-11-29 05:26:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:49,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199487435] [2023-11-29 05:26:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:26:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:26:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:26:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:26:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:26:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:26:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:26:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-29 05:26:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-29 05:26:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-11-29 05:26:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:52,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:52,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199487435] [2023-11-29 05:26:52,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199487435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:52,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:52,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:26:52,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234801037] [2023-11-29 05:26:52,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:52,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:26:52,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:26:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:26:52,308 INFO L87 Difference]: Start difference. First operand 3443 states and 5437 transitions. Second operand has 8 states, 8 states have (on average 55.125) internal successors, (441), 8 states have internal predecessors, (441), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:53,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:53,943 INFO L93 Difference]: Finished difference Result 4700 states and 7441 transitions. [2023-11-29 05:26:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:26:53,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.125) internal successors, (441), 8 states have internal predecessors, (441), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 503 [2023-11-29 05:26:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:53,947 INFO L225 Difference]: With dead ends: 4700 [2023-11-29 05:26:53,947 INFO L226 Difference]: Without dead ends: 3620 [2023-11-29 05:26:53,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:26:53,949 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 4637 mSDsluCounter, 4595 mSDsCounter, 0 mSdLazyCounter, 2339 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4642 SdHoareTripleChecker+Valid, 6009 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:26:53,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4642 Valid, 6009 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2339 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:26:53,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2023-11-29 05:26:54,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3451. [2023-11-29 05:26:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3451 states, 3333 states have (on average 1.5640564056405641) internal successors, (5213), 3333 states have internal predecessors, (5213), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-29 05:26:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 3451 states and 5445 transitions. [2023-11-29 05:26:54,158 INFO L78 Accepts]: Start accepts. Automaton has 3451 states and 5445 transitions. Word has length 503 [2023-11-29 05:26:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:54,158 INFO L495 AbstractCegarLoop]: Abstraction has 3451 states and 5445 transitions. [2023-11-29 05:26:54,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.125) internal successors, (441), 8 states have internal predecessors, (441), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:26:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3451 states and 5445 transitions. [2023-11-29 05:26:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2023-11-29 05:26:54,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:54,167 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:54,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-29 05:26:54,168 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:26:54,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1659435615, now seen corresponding path program 1 times [2023-11-29 05:26:54,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:26:54,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704892924] [2023-11-29 05:26:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:26:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:26:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:26:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:26:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:26:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:26:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:26:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:26:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:26:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:26:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:26:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-11-29 05:26:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2023-11-29 05:26:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-11-29 05:26:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:26:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:26:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704892924] [2023-11-29 05:26:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704892924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:57,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:57,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 05:26:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524952183] [2023-11-29 05:26:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:57,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:26:57,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:26:57,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:26:57,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:26:57,129 INFO L87 Difference]: Start difference. First operand 3451 states and 5445 transitions. Second operand has 11 states, 11 states have (on average 40.09090909090909) internal successors, (441), 11 states have internal predecessors, (441), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-29 05:27:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:01,885 INFO L93 Difference]: Finished difference Result 7155 states and 11354 transitions. [2023-11-29 05:27:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 05:27:01,885 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 40.09090909090909) internal successors, (441), 11 states have internal predecessors, (441), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 503 [2023-11-29 05:27:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:01,890 INFO L225 Difference]: With dead ends: 7155 [2023-11-29 05:27:01,890 INFO L226 Difference]: Without dead ends: 6154 [2023-11-29 05:27:01,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:27:01,892 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 7928 mSDsluCounter, 13430 mSDsCounter, 0 mSdLazyCounter, 6733 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7942 SdHoareTripleChecker+Valid, 15806 SdHoareTripleChecker+Invalid, 6794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 6733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:01,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7942 Valid, 15806 Invalid, 6794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 6733 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 05:27:01,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6154 states. [2023-11-29 05:27:02,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6154 to 4019. [2023-11-29 05:27:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4019 states, 3865 states have (on average 1.553686934023286) internal successors, (6005), 3865 states have internal predecessors, (6005), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 05:27:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 4019 states and 6309 transitions. [2023-11-29 05:27:02,118 INFO L78 Accepts]: Start accepts. Automaton has 4019 states and 6309 transitions. Word has length 503 [2023-11-29 05:27:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:02,118 INFO L495 AbstractCegarLoop]: Abstraction has 4019 states and 6309 transitions. [2023-11-29 05:27:02,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 40.09090909090909) internal successors, (441), 11 states have internal predecessors, (441), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2023-11-29 05:27:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 6309 transitions. [2023-11-29 05:27:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2023-11-29 05:27:02,124 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:02,124 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:02,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-29 05:27:02,125 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:02,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1880844423, now seen corresponding path program 1 times [2023-11-29 05:27:02,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:02,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847673759] [2023-11-29 05:27:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:02,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-29 05:27:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-29 05:27:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-29 05:27:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:04,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:04,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847673759] [2023-11-29 05:27:04,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847673759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:04,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:04,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:27:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286206863] [2023-11-29 05:27:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:04,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:27:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:27:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:04,371 INFO L87 Difference]: Start difference. First operand 4019 states and 6309 transitions. Second operand has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:06,116 INFO L93 Difference]: Finished difference Result 5365 states and 8448 transitions. [2023-11-29 05:27:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:27:06,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 504 [2023-11-29 05:27:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:06,121 INFO L225 Difference]: With dead ends: 5365 [2023-11-29 05:27:06,121 INFO L226 Difference]: Without dead ends: 4295 [2023-11-29 05:27:06,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:27:06,124 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 3111 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:06,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 6150 Invalid, 2415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:27:06,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4295 states. [2023-11-29 05:27:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4295 to 4027. [2023-11-29 05:27:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4027 states, 3873 states have (on average 1.552543248128066) internal successors, (6013), 3873 states have internal predecessors, (6013), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 05:27:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 6317 transitions. [2023-11-29 05:27:06,409 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 6317 transitions. Word has length 504 [2023-11-29 05:27:06,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:06,410 INFO L495 AbstractCegarLoop]: Abstraction has 4027 states and 6317 transitions. [2023-11-29 05:27:06,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 6317 transitions. [2023-11-29 05:27:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2023-11-29 05:27:06,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:06,419 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:06,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-29 05:27:06,420 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:06,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:06,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2075619703, now seen corresponding path program 1 times [2023-11-29 05:27:06,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:06,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368981842] [2023-11-29 05:27:06,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-29 05:27:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-29 05:27:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-29 05:27:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:09,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:09,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368981842] [2023-11-29 05:27:09,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368981842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:09,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:09,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:27:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214031449] [2023-11-29 05:27:09,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:27:09,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:27:09,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:09,304 INFO L87 Difference]: Start difference. First operand 4027 states and 6317 transitions. Second operand has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:10,201 INFO L93 Difference]: Finished difference Result 10055 states and 15824 transitions. [2023-11-29 05:27:10,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:27:10,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 504 [2023-11-29 05:27:10,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:10,210 INFO L225 Difference]: With dead ends: 10055 [2023-11-29 05:27:10,210 INFO L226 Difference]: Without dead ends: 8965 [2023-11-29 05:27:10,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:27:10,213 INFO L413 NwaCegarLoop]: 3191 mSDtfsCounter, 7198 mSDsluCounter, 11923 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7219 SdHoareTripleChecker+Valid, 15114 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:10,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7219 Valid, 15114 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:27:10,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8965 states. [2023-11-29 05:27:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 6503. [2023-11-29 05:27:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6503 states, 6241 states have (on average 1.5460663355231534) internal successors, (9649), 6241 states have internal predecessors, (9649), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6503 states to 6503 states and 10169 transitions. [2023-11-29 05:27:10,758 INFO L78 Accepts]: Start accepts. Automaton has 6503 states and 10169 transitions. Word has length 504 [2023-11-29 05:27:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:10,758 INFO L495 AbstractCegarLoop]: Abstraction has 6503 states and 10169 transitions. [2023-11-29 05:27:10,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.25) internal successors, (442), 8 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 6503 states and 10169 transitions. [2023-11-29 05:27:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2023-11-29 05:27:10,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:10,766 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:10,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-29 05:27:10,767 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:10,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:10,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1889135933, now seen corresponding path program 1 times [2023-11-29 05:27:10,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:10,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551256227] [2023-11-29 05:27:10,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-29 05:27:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-29 05:27:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-11-29 05:27:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:12,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551256227] [2023-11-29 05:27:12,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551256227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:12,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:12,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:27:12,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271533058] [2023-11-29 05:27:12,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:12,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:27:12,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:12,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:27:12,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:12,786 INFO L87 Difference]: Start difference. First operand 6503 states and 10169 transitions. Second operand has 7 states, 7 states have (on average 63.142857142857146) internal successors, (442), 7 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:14,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:14,512 INFO L93 Difference]: Finished difference Result 7830 states and 12275 transitions. [2023-11-29 05:27:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:27:14,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.142857142857146) internal successors, (442), 7 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 504 [2023-11-29 05:27:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:14,518 INFO L225 Difference]: With dead ends: 7830 [2023-11-29 05:27:14,518 INFO L226 Difference]: Without dead ends: 6767 [2023-11-29 05:27:14,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:27:14,521 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 4562 mSDsluCounter, 3273 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4563 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:14,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4563 Valid, 4711 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:27:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6767 states. [2023-11-29 05:27:14,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6767 to 6487. [2023-11-29 05:27:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6487 states, 6225 states have (on average 1.5461847389558232) internal successors, (9625), 6225 states have internal predecessors, (9625), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6487 states to 6487 states and 10145 transitions. [2023-11-29 05:27:14,884 INFO L78 Accepts]: Start accepts. Automaton has 6487 states and 10145 transitions. Word has length 504 [2023-11-29 05:27:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:14,884 INFO L495 AbstractCegarLoop]: Abstraction has 6487 states and 10145 transitions. [2023-11-29 05:27:14,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.142857142857146) internal successors, (442), 7 states have internal predecessors, (442), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6487 states and 10145 transitions. [2023-11-29 05:27:14,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 05:27:14,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:14,891 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:14,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-29 05:27:14,891 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:14,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash 750122859, now seen corresponding path program 1 times [2023-11-29 05:27:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:14,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799467537] [2023-11-29 05:27:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 05:27:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 05:27:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 05:27:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:17,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799467537] [2023-11-29 05:27:17,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799467537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:17,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:17,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:27:17,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339390234] [2023-11-29 05:27:17,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:17,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:27:17,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:27:17,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:17,401 INFO L87 Difference]: Start difference. First operand 6487 states and 10145 transitions. Second operand has 7 states, 7 states have (on average 63.285714285714285) internal successors, (443), 7 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:18,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:18,478 INFO L93 Difference]: Finished difference Result 12295 states and 19175 transitions. [2023-11-29 05:27:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:27:18,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.285714285714285) internal successors, (443), 7 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 505 [2023-11-29 05:27:18,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:18,488 INFO L225 Difference]: With dead ends: 12295 [2023-11-29 05:27:18,488 INFO L226 Difference]: Without dead ends: 10143 [2023-11-29 05:27:18,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:27:18,492 INFO L413 NwaCegarLoop]: 3244 mSDtfsCounter, 5762 mSDsluCounter, 10016 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5782 SdHoareTripleChecker+Valid, 13260 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:18,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5782 Valid, 13260 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:27:18,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10143 states. [2023-11-29 05:27:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10143 to 6571. [2023-11-29 05:27:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 6309 states have (on average 1.5389126644476145) internal successors, (9709), 6309 states have internal predecessors, (9709), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 10229 transitions. [2023-11-29 05:27:18,972 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 10229 transitions. Word has length 505 [2023-11-29 05:27:18,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:18,972 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 10229 transitions. [2023-11-29 05:27:18,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.285714285714285) internal successors, (443), 7 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:18,972 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 10229 transitions. [2023-11-29 05:27:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 05:27:18,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:18,978 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:18,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-29 05:27:18,979 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:18,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:18,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1277161851, now seen corresponding path program 1 times [2023-11-29 05:27:18,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:18,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127554640] [2023-11-29 05:27:18,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:18,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 05:27:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 05:27:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 05:27:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:21,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:21,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127554640] [2023-11-29 05:27:21,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127554640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:21,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:21,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:27:21,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269125470] [2023-11-29 05:27:21,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:21,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:27:21,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:27:21,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:21,347 INFO L87 Difference]: Start difference. First operand 6571 states and 10229 transitions. Second operand has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:27:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:22,352 INFO L93 Difference]: Finished difference Result 7598 states and 11871 transitions. [2023-11-29 05:27:22,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:27:22,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 505 [2023-11-29 05:27:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:22,359 INFO L225 Difference]: With dead ends: 7598 [2023-11-29 05:27:22,359 INFO L226 Difference]: Without dead ends: 6571 [2023-11-29 05:27:22,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:27:22,361 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 1451 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:22,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 2598 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:27:22,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6571 states. [2023-11-29 05:27:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6571 to 6571. [2023-11-29 05:27:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6571 states, 6309 states have (on average 1.538754160722777) internal successors, (9708), 6309 states have internal predecessors, (9708), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6571 states to 6571 states and 10228 transitions. [2023-11-29 05:27:22,745 INFO L78 Accepts]: Start accepts. Automaton has 6571 states and 10228 transitions. Word has length 505 [2023-11-29 05:27:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:22,746 INFO L495 AbstractCegarLoop]: Abstraction has 6571 states and 10228 transitions. [2023-11-29 05:27:22,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.75) internal successors, (443), 4 states have internal predecessors, (443), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:27:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6571 states and 10228 transitions. [2023-11-29 05:27:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 05:27:22,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:22,752 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:22,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-29 05:27:22,753 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:22,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash -119629561, now seen corresponding path program 1 times [2023-11-29 05:27:22,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:22,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520941592] [2023-11-29 05:27:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:22,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 05:27:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 05:27:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 05:27:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:24,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:24,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520941592] [2023-11-29 05:27:24,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520941592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:24,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:24,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:27:24,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818371746] [2023-11-29 05:27:24,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:24,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:27:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:27:24,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:24,805 INFO L87 Difference]: Start difference. First operand 6571 states and 10228 transitions. Second operand has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:27,462 INFO L93 Difference]: Finished difference Result 13734 states and 21292 transitions. [2023-11-29 05:27:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:27:27,462 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 505 [2023-11-29 05:27:27,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:27,471 INFO L225 Difference]: With dead ends: 13734 [2023-11-29 05:27:27,471 INFO L226 Difference]: Without dead ends: 10988 [2023-11-29 05:27:27,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:27:27,476 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 4339 mSDsluCounter, 5906 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4352 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:27,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4352 Valid, 7376 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:27:27,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10988 states. [2023-11-29 05:27:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10988 to 10922. [2023-11-29 05:27:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10922 states, 10431 states have (on average 1.5320678746045442) internal successors, (15981), 10431 states have internal predecessors, (15981), 489 states have call successors, (489), 1 states have call predecessors, (489), 1 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2023-11-29 05:27:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10922 states to 10922 states and 16959 transitions. [2023-11-29 05:27:28,270 INFO L78 Accepts]: Start accepts. Automaton has 10922 states and 16959 transitions. Word has length 505 [2023-11-29 05:27:28,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:28,270 INFO L495 AbstractCegarLoop]: Abstraction has 10922 states and 16959 transitions. [2023-11-29 05:27:28,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:28,270 INFO L276 IsEmpty]: Start isEmpty. Operand 10922 states and 16959 transitions. [2023-11-29 05:27:28,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 05:27:28,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:28,286 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:28,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-29 05:27:28,286 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:28,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1082849467, now seen corresponding path program 1 times [2023-11-29 05:27:28,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:28,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18173689] [2023-11-29 05:27:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:28,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 05:27:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 05:27:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 05:27:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:30,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:30,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18173689] [2023-11-29 05:27:30,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18173689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:30,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:30,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:27:30,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915444259] [2023-11-29 05:27:30,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:30,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:27:30,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:30,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:27:30,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:30,551 INFO L87 Difference]: Start difference. First operand 10922 states and 16959 transitions. Second operand has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:32,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:32,434 INFO L93 Difference]: Finished difference Result 11284 states and 17494 transitions. [2023-11-29 05:27:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:27:32,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 505 [2023-11-29 05:27:32,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:32,440 INFO L225 Difference]: With dead ends: 11284 [2023-11-29 05:27:32,440 INFO L226 Difference]: Without dead ends: 6665 [2023-11-29 05:27:32,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:27:32,444 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 3268 mSDsluCounter, 6682 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 8553 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:32,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3281 Valid, 8553 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:27:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6665 states. [2023-11-29 05:27:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6665 to 6603. [2023-11-29 05:27:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6603 states, 6341 states have (on average 1.5360353256584136) internal successors, (9740), 6341 states have internal predecessors, (9740), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6603 states to 6603 states and 10260 transitions. [2023-11-29 05:27:32,854 INFO L78 Accepts]: Start accepts. Automaton has 6603 states and 10260 transitions. Word has length 505 [2023-11-29 05:27:32,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:32,854 INFO L495 AbstractCegarLoop]: Abstraction has 6603 states and 10260 transitions. [2023-11-29 05:27:32,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6603 states and 10260 transitions. [2023-11-29 05:27:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2023-11-29 05:27:32,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:32,861 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:32,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-11-29 05:27:32,861 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:32,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:32,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2140961655, now seen corresponding path program 1 times [2023-11-29 05:27:32,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:32,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661769067] [2023-11-29 05:27:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 05:27:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-29 05:27:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-29 05:27:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-29 05:27:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-29 05:27:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-29 05:27:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2023-11-29 05:27:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-29 05:27:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-29 05:27:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:35,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:35,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661769067] [2023-11-29 05:27:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661769067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 05:27:35,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004472877] [2023-11-29 05:27:35,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:35,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:27:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:35,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:27:35,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:27:35,860 INFO L87 Difference]: Start difference. First operand 6603 states and 10260 transitions. Second operand has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:40,332 INFO L93 Difference]: Finished difference Result 15645 states and 24166 transitions. [2023-11-29 05:27:40,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:27:40,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 505 [2023-11-29 05:27:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:40,367 INFO L225 Difference]: With dead ends: 15645 [2023-11-29 05:27:40,367 INFO L226 Difference]: Without dead ends: 12658 [2023-11-29 05:27:40,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:27:40,370 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 6050 mSDsluCounter, 12743 mSDsCounter, 0 mSdLazyCounter, 5777 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6073 SdHoareTripleChecker+Valid, 15092 SdHoareTripleChecker+Invalid, 5806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 5777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:40,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6073 Valid, 15092 Invalid, 5806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 5777 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-29 05:27:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12658 states. [2023-11-29 05:27:40,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12658 to 6715. [2023-11-29 05:27:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 6453 states have (on average 1.5341701534170153) internal successors, (9900), 6453 states have internal predecessors, (9900), 260 states have call successors, (260), 1 states have call predecessors, (260), 1 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2023-11-29 05:27:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 10420 transitions. [2023-11-29 05:27:40,805 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 10420 transitions. Word has length 505 [2023-11-29 05:27:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:40,805 INFO L495 AbstractCegarLoop]: Abstraction has 6715 states and 10420 transitions. [2023-11-29 05:27:40,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 10420 transitions. [2023-11-29 05:27:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2023-11-29 05:27:40,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:40,812 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-11-29 05:27:40,812 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:40,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 305233073, now seen corresponding path program 1 times [2023-11-29 05:27:40,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:40,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692096708] [2023-11-29 05:27:40,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:40,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 05:27:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 05:27:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-29 05:27:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 05:27:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 05:27:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-29 05:27:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-29 05:27:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:27:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-29 05:27:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:43,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:43,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692096708] [2023-11-29 05:27:43,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692096708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:43,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:43,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:27:43,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296565471] [2023-11-29 05:27:43,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:43,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:27:43,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:43,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:27:43,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:27:43,679 INFO L87 Difference]: Start difference. First operand 6715 states and 10420 transitions. Second operand has 8 states, 8 states have (on average 55.5) internal successors, (444), 8 states have internal predecessors, (444), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:44,977 INFO L93 Difference]: Finished difference Result 16145 states and 25079 transitions. [2023-11-29 05:27:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:27:44,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.5) internal successors, (444), 8 states have internal predecessors, (444), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 506 [2023-11-29 05:27:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:44,990 INFO L225 Difference]: With dead ends: 16145 [2023-11-29 05:27:44,990 INFO L226 Difference]: Without dead ends: 15094 [2023-11-29 05:27:44,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:27:44,994 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 7047 mSDsluCounter, 11976 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7066 SdHoareTripleChecker+Valid, 15186 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:44,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7066 Valid, 15186 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:27:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15094 states. [2023-11-29 05:27:45,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15094 to 12437. [2023-11-29 05:27:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12437 states, 11917 states have (on average 1.5248804229252328) internal successors, (18172), 11917 states have internal predecessors, (18172), 518 states have call successors, (518), 1 states have call predecessors, (518), 1 states have return successors, (518), 518 states have call predecessors, (518), 518 states have call successors, (518) [2023-11-29 05:27:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12437 states to 12437 states and 19208 transitions. [2023-11-29 05:27:45,856 INFO L78 Accepts]: Start accepts. Automaton has 12437 states and 19208 transitions. Word has length 506 [2023-11-29 05:27:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:45,857 INFO L495 AbstractCegarLoop]: Abstraction has 12437 states and 19208 transitions. [2023-11-29 05:27:45,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.5) internal successors, (444), 8 states have internal predecessors, (444), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:27:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 12437 states and 19208 transitions. [2023-11-29 05:27:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-29 05:27:45,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:45,867 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:45,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-11-29 05:27:45,868 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:45,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:45,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1788534507, now seen corresponding path program 1 times [2023-11-29 05:27:45,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:45,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602007413] [2023-11-29 05:27:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:45,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 05:27:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 05:27:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-29 05:27:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 05:27:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 05:27:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-29 05:27:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-29 05:27:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:27:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-29 05:27:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:48,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:48,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602007413] [2023-11-29 05:27:48,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602007413] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:48,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:48,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:27:48,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028607870] [2023-11-29 05:27:48,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:48,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:27:48,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:48,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:27:48,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:27:48,216 INFO L87 Difference]: Start difference. First operand 12437 states and 19208 transitions. Second operand has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:50,194 INFO L93 Difference]: Finished difference Result 17594 states and 27036 transitions. [2023-11-29 05:27:50,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:27:50,194 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 507 [2023-11-29 05:27:50,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:50,204 INFO L225 Difference]: With dead ends: 17594 [2023-11-29 05:27:50,204 INFO L226 Difference]: Without dead ends: 12664 [2023-11-29 05:27:50,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:27:50,208 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 2995 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 4364 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:50,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 4364 Invalid, 1645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:27:50,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12664 states. [2023-11-29 05:27:51,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12664 to 12373. [2023-11-29 05:27:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12373 states, 11853 states have (on average 1.5196152872690458) internal successors, (18012), 11853 states have internal predecessors, (18012), 518 states have call successors, (518), 1 states have call predecessors, (518), 1 states have return successors, (518), 518 states have call predecessors, (518), 518 states have call successors, (518) [2023-11-29 05:27:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 19048 transitions. [2023-11-29 05:27:51,105 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 19048 transitions. Word has length 507 [2023-11-29 05:27:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:51,105 INFO L495 AbstractCegarLoop]: Abstraction has 12373 states and 19048 transitions. [2023-11-29 05:27:51,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 19048 transitions. [2023-11-29 05:27:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-29 05:27:51,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:51,116 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:51,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-11-29 05:27:51,116 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:51,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1042081879, now seen corresponding path program 1 times [2023-11-29 05:27:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:51,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781037140] [2023-11-29 05:27:51,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:51,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:27:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:27:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:27:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:27:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 05:27:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 05:27:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-29 05:27:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 05:27:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 05:27:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-29 05:27:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-29 05:27:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:27:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-29 05:27:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:27:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:27:54,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:27:54,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781037140] [2023-11-29 05:27:54,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781037140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:27:54,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:27:54,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:27:54,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805562232] [2023-11-29 05:27:54,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:27:54,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:27:54,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:27:54,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:27:54,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:27:54,688 INFO L87 Difference]: Start difference. First operand 12373 states and 19048 transitions. Second operand has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:56,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:27:56,908 INFO L93 Difference]: Finished difference Result 27297 states and 41621 transitions. [2023-11-29 05:27:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 05:27:56,908 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 507 [2023-11-29 05:27:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:27:56,925 INFO L225 Difference]: With dead ends: 27297 [2023-11-29 05:27:56,925 INFO L226 Difference]: Without dead ends: 22431 [2023-11-29 05:27:56,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:27:56,930 INFO L413 NwaCegarLoop]: 3121 mSDtfsCounter, 5918 mSDsluCounter, 9752 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5940 SdHoareTripleChecker+Valid, 12873 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:27:56,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5940 Valid, 12873 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:27:56,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22431 states. [2023-11-29 05:27:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22431 to 12309. [2023-11-29 05:27:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12309 states, 11789 states have (on average 1.519721774535584) internal successors, (17916), 11789 states have internal predecessors, (17916), 518 states have call successors, (518), 1 states have call predecessors, (518), 1 states have return successors, (518), 518 states have call predecessors, (518), 518 states have call successors, (518) [2023-11-29 05:27:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12309 states to 12309 states and 18952 transitions. [2023-11-29 05:27:58,311 INFO L78 Accepts]: Start accepts. Automaton has 12309 states and 18952 transitions. Word has length 507 [2023-11-29 05:27:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:27:58,311 INFO L495 AbstractCegarLoop]: Abstraction has 12309 states and 18952 transitions. [2023-11-29 05:27:58,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-29 05:27:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12309 states and 18952 transitions. [2023-11-29 05:27:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2023-11-29 05:27:58,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:27:58,328 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:27:58,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-11-29 05:27:58,329 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:27:58,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:27:58,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1687205681, now seen corresponding path program 1 times [2023-11-29 05:27:58,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:27:58,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128380493] [2023-11-29 05:27:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:27:58,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:27:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 05:28:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-29 05:28:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-29 05:28:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 05:28:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-29 05:28:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-29 05:28:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 05:28:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-29 05:28:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-29 05:28:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-29 05:28:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-29 05:28:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:00,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:00,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128380493] [2023-11-29 05:28:00,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128380493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:00,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:00,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:28:00,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321149493] [2023-11-29 05:28:00,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:00,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:28:00,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:00,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:28:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:28:00,682 INFO L87 Difference]: Start difference. First operand 12309 states and 18952 transitions. Second operand has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:02,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:02,689 INFO L93 Difference]: Finished difference Result 19855 states and 30389 transitions. [2023-11-29 05:28:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:28:02,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 507 [2023-11-29 05:28:02,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:02,701 INFO L225 Difference]: With dead ends: 19855 [2023-11-29 05:28:02,701 INFO L226 Difference]: Without dead ends: 12612 [2023-11-29 05:28:02,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:28:02,707 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 3148 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 4251 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:02,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3149 Valid, 4251 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:28:02,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12612 states. [2023-11-29 05:28:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12612 to 12437. [2023-11-29 05:28:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12437 states, 11917 states have (on average 1.5087689854829236) internal successors, (17980), 11917 states have internal predecessors, (17980), 518 states have call successors, (518), 1 states have call predecessors, (518), 1 states have return successors, (518), 518 states have call predecessors, (518), 518 states have call successors, (518) [2023-11-29 05:28:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12437 states to 12437 states and 19016 transitions. [2023-11-29 05:28:03,617 INFO L78 Accepts]: Start accepts. Automaton has 12437 states and 19016 transitions. Word has length 507 [2023-11-29 05:28:03,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:03,618 INFO L495 AbstractCegarLoop]: Abstraction has 12437 states and 19016 transitions. [2023-11-29 05:28:03,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 12437 states and 19016 transitions. [2023-11-29 05:28:03,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-29 05:28:03,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:03,629 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:03,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-11-29 05:28:03,629 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:03,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:03,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1804038641, now seen corresponding path program 1 times [2023-11-29 05:28:03,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:03,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2305202] [2023-11-29 05:28:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:03,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-29 05:28:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-29 05:28:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:28:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-11-29 05:28:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:08,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:08,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2305202] [2023-11-29 05:28:08,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2305202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:08,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:08,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:28:08,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394634486] [2023-11-29 05:28:08,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:08,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:28:08,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:28:08,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:28:08,021 INFO L87 Difference]: Start difference. First operand 12437 states and 19016 transitions. Second operand has 8 states, 8 states have (on average 55.75) internal successors, (446), 8 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:09,613 INFO L93 Difference]: Finished difference Result 18313 states and 28053 transitions. [2023-11-29 05:28:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:28:09,613 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 55.75) internal successors, (446), 8 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 508 [2023-11-29 05:28:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:09,628 INFO L225 Difference]: With dead ends: 18313 [2023-11-29 05:28:09,628 INFO L226 Difference]: Without dead ends: 16893 [2023-11-29 05:28:09,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:28:09,632 INFO L413 NwaCegarLoop]: 3165 mSDtfsCounter, 5839 mSDsluCounter, 11444 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5861 SdHoareTripleChecker+Valid, 14609 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:09,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5861 Valid, 14609 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:28:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16893 states. [2023-11-29 05:28:10,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16893 to 14329. [2023-11-29 05:28:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14329 states, 13697 states have (on average 1.4987223479594072) internal successors, (20528), 13697 states have internal predecessors, (20528), 630 states have call successors, (630), 1 states have call predecessors, (630), 1 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-29 05:28:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14329 states to 14329 states and 21788 transitions. [2023-11-29 05:28:10,773 INFO L78 Accepts]: Start accepts. Automaton has 14329 states and 21788 transitions. Word has length 508 [2023-11-29 05:28:10,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:10,774 INFO L495 AbstractCegarLoop]: Abstraction has 14329 states and 21788 transitions. [2023-11-29 05:28:10,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.75) internal successors, (446), 8 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 14329 states and 21788 transitions. [2023-11-29 05:28:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-29 05:28:10,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:10,788 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:10,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-11-29 05:28:10,788 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:10,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1553590935, now seen corresponding path program 1 times [2023-11-29 05:28:10,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:10,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192192149] [2023-11-29 05:28:10,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:10,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-29 05:28:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-29 05:28:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-29 05:28:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2023-11-29 05:28:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:12,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:12,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192192149] [2023-11-29 05:28:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192192149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:12,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:12,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:28:12,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044060731] [2023-11-29 05:28:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:12,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:28:12,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:12,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:28:12,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:28:12,895 INFO L87 Difference]: Start difference. First operand 14329 states and 21788 transitions. Second operand has 7 states, 7 states have (on average 63.714285714285715) internal successors, (446), 7 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:15,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:15,506 INFO L93 Difference]: Finished difference Result 16027 states and 24423 transitions. [2023-11-29 05:28:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:28:15,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 63.714285714285715) internal successors, (446), 7 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 508 [2023-11-29 05:28:15,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:15,518 INFO L225 Difference]: With dead ends: 16027 [2023-11-29 05:28:15,518 INFO L226 Difference]: Without dead ends: 14679 [2023-11-29 05:28:15,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:28:15,521 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 3067 mSDsluCounter, 3250 mSDsCounter, 0 mSdLazyCounter, 1801 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:15,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 4671 Invalid, 1820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1801 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:28:15,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14679 states. [2023-11-29 05:28:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14679 to 14353. [2023-11-29 05:28:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14353 states, 13721 states have (on average 1.4961008672837257) internal successors, (20528), 13721 states have internal predecessors, (20528), 630 states have call successors, (630), 1 states have call predecessors, (630), 1 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-29 05:28:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14353 states to 14353 states and 21788 transitions. [2023-11-29 05:28:16,605 INFO L78 Accepts]: Start accepts. Automaton has 14353 states and 21788 transitions. Word has length 508 [2023-11-29 05:28:16,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:16,605 INFO L495 AbstractCegarLoop]: Abstraction has 14353 states and 21788 transitions. [2023-11-29 05:28:16,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.714285714285715) internal successors, (446), 7 states have internal predecessors, (446), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 05:28:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 14353 states and 21788 transitions. [2023-11-29 05:28:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2023-11-29 05:28:16,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:16,619 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:16,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-11-29 05:28:16,619 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:16,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:16,620 INFO L85 PathProgramCache]: Analyzing trace with hash 192229027, now seen corresponding path program 1 times [2023-11-29 05:28:16,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:16,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17871234] [2023-11-29 05:28:16,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:16,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:19,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:19,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17871234] [2023-11-29 05:28:19,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17871234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:19,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:19,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:28:19,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054355093] [2023-11-29 05:28:19,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:19,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:28:19,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:19,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:28:19,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:28:19,585 INFO L87 Difference]: Start difference. First operand 14353 states and 21788 transitions. Second operand has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:20,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:20,612 INFO L93 Difference]: Finished difference Result 14357 states and 21792 transitions. [2023-11-29 05:28:20,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:20,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 509 [2023-11-29 05:28:20,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:20,624 INFO L225 Difference]: With dead ends: 14357 [2023-11-29 05:28:20,624 INFO L226 Difference]: Without dead ends: 14355 [2023-11-29 05:28:20,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:28:20,627 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1 mSDsluCounter, 3455 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5185 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:20,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5185 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:28:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14355 states. [2023-11-29 05:28:21,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14355 to 14355. [2023-11-29 05:28:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14355 states, 13723 states have (on average 1.4960285651825402) internal successors, (20530), 13723 states have internal predecessors, (20530), 630 states have call successors, (630), 1 states have call predecessors, (630), 1 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-29 05:28:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14355 states to 14355 states and 21790 transitions. [2023-11-29 05:28:21,738 INFO L78 Accepts]: Start accepts. Automaton has 14355 states and 21790 transitions. Word has length 509 [2023-11-29 05:28:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:21,738 INFO L495 AbstractCegarLoop]: Abstraction has 14355 states and 21790 transitions. [2023-11-29 05:28:21,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 14355 states and 21790 transitions. [2023-11-29 05:28:21,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2023-11-29 05:28:21,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:21,752 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:21,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-11-29 05:28:21,752 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:21,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1665859891, now seen corresponding path program 1 times [2023-11-29 05:28:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210481334] [2023-11-29 05:28:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:22,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:22,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210481334] [2023-11-29 05:28:22,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210481334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:22,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:22,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:28:22,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012642058] [2023-11-29 05:28:22,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:22,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:28:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:22,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:28:22,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:28:22,427 INFO L87 Difference]: Start difference. First operand 14355 states and 21790 transitions. Second operand has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:23,817 INFO L93 Difference]: Finished difference Result 15397 states and 23443 transitions. [2023-11-29 05:28:23,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:23,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 510 [2023-11-29 05:28:23,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:23,829 INFO L225 Difference]: With dead ends: 15397 [2023-11-29 05:28:23,829 INFO L226 Difference]: Without dead ends: 14358 [2023-11-29 05:28:23,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:28:23,831 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1 mSDsluCounter, 3453 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:23,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5183 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:28:23,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14358 states. [2023-11-29 05:28:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14358 to 14357. [2023-11-29 05:28:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14357 states, 13725 states have (on average 1.4959562841530054) internal successors, (20532), 13725 states have internal predecessors, (20532), 630 states have call successors, (630), 1 states have call predecessors, (630), 1 states have return successors, (630), 630 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-29 05:28:24,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14357 states to 14357 states and 21792 transitions. [2023-11-29 05:28:24,901 INFO L78 Accepts]: Start accepts. Automaton has 14357 states and 21792 transitions. Word has length 510 [2023-11-29 05:28:24,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:24,902 INFO L495 AbstractCegarLoop]: Abstraction has 14357 states and 21792 transitions. [2023-11-29 05:28:24,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.0) internal successors, (448), 4 states have internal predecessors, (448), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 14357 states and 21792 transitions. [2023-11-29 05:28:24,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2023-11-29 05:28:24,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:24,916 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:24,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-11-29 05:28:24,916 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:24,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:24,916 INFO L85 PathProgramCache]: Analyzing trace with hash -108380995, now seen corresponding path program 1 times [2023-11-29 05:28:24,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:24,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728191379] [2023-11-29 05:28:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 05:28:27,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:27,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728191379] [2023-11-29 05:28:27,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728191379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:27,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:27,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:28:27,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837990786] [2023-11-29 05:28:27,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:27,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:28:27,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:27,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:28:27,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:27,632 INFO L87 Difference]: Start difference. First operand 14357 states and 21792 transitions. Second operand has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:29,140 INFO L93 Difference]: Finished difference Result 17015 states and 25985 transitions. [2023-11-29 05:28:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:28:29,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 511 [2023-11-29 05:28:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:29,152 INFO L225 Difference]: With dead ends: 17015 [2023-11-29 05:28:29,153 INFO L226 Difference]: Without dead ends: 15974 [2023-11-29 05:28:29,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:28:29,156 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 7685 mSDsluCounter, 5149 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7698 SdHoareTripleChecker+Valid, 7550 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:29,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7698 Valid, 7550 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:28:29,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15974 states. [2023-11-29 05:28:30,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15974 to 14946. [2023-11-29 05:28:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4970621152770005) internal successors, (21402), 14296 states have internal predecessors, (21402), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22698 transitions. [2023-11-29 05:28:30,343 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22698 transitions. Word has length 511 [2023-11-29 05:28:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:30,344 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22698 transitions. [2023-11-29 05:28:30,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-29 05:28:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22698 transitions. [2023-11-29 05:28:30,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2023-11-29 05:28:30,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:30,364 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:30,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-11-29 05:28:30,364 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:30,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:30,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1172163293, now seen corresponding path program 1 times [2023-11-29 05:28:30,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:30,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097743495] [2023-11-29 05:28:30,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:30,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2023-11-29 05:28:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2023-11-29 05:28:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2023-11-29 05:28:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-11-29 05:28:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-11-29 05:28:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-11-29 05:28:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2023-11-29 05:28:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-11-29 05:28:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2023-11-29 05:28:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-11-29 05:28:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2023-11-29 05:28:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-11-29 05:28:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-11-29 05:28:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:28:33,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:33,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097743495] [2023-11-29 05:28:33,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097743495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:33,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:33,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:28:33,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888594437] [2023-11-29 05:28:33,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:33,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:28:33,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:33,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:28:33,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:28:33,714 INFO L87 Difference]: Start difference. First operand 14946 states and 22698 transitions. Second operand has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:35,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:35,082 INFO L93 Difference]: Finished difference Result 15987 states and 24349 transitions. [2023-11-29 05:28:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:35,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1198 [2023-11-29 05:28:35,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:35,094 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:28:35,094 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:28:35,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:35,097 INFO L413 NwaCegarLoop]: 1652 mSDtfsCounter, 1498 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:35,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 3322 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:28:35,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:28:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:28:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4969921656407386) internal successors, (21401), 14296 states have internal predecessors, (21401), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:36,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22697 transitions. [2023-11-29 05:28:36,398 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22697 transitions. Word has length 1198 [2023-11-29 05:28:36,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:36,399 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22697 transitions. [2023-11-29 05:28:36,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.2) internal successors, (1071), 5 states have internal predecessors, (1071), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22697 transitions. [2023-11-29 05:28:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2023-11-29 05:28:36,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:36,420 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:36,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-11-29 05:28:36,420 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:36,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash -911408729, now seen corresponding path program 1 times [2023-11-29 05:28:36,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:36,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824436256] [2023-11-29 05:28:36,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:36,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2023-11-29 05:28:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2023-11-29 05:28:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2023-11-29 05:28:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-11-29 05:28:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-11-29 05:28:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-11-29 05:28:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2023-11-29 05:28:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-11-29 05:28:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-11-29 05:28:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-11-29 05:28:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-11-29 05:28:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2023-11-29 05:28:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2023-11-29 05:28:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:28:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824436256] [2023-11-29 05:28:38,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824436256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:38,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:38,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:28:38,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316063355] [2023-11-29 05:28:38,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:38,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:28:38,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:38,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:28:38,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:28:38,768 INFO L87 Difference]: Start difference. First operand 14946 states and 22697 transitions. Second operand has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:40,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:40,039 INFO L93 Difference]: Finished difference Result 15987 states and 24347 transitions. [2023-11-29 05:28:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:40,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1199 [2023-11-29 05:28:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:40,055 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:28:40,055 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:28:40,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:40,059 INFO L413 NwaCegarLoop]: 1652 mSDtfsCounter, 1490 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:40,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 3322 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:28:40,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:28:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:28:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4969222160044768) internal successors, (21400), 14296 states have internal predecessors, (21400), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22696 transitions. [2023-11-29 05:28:41,389 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22696 transitions. Word has length 1199 [2023-11-29 05:28:41,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:41,389 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22696 transitions. [2023-11-29 05:28:41,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.4) internal successors, (1072), 5 states have internal predecessors, (1072), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22696 transitions. [2023-11-29 05:28:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2023-11-29 05:28:41,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:41,416 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:41,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-11-29 05:28:41,416 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:41,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:41,417 INFO L85 PathProgramCache]: Analyzing trace with hash -988825265, now seen corresponding path program 1 times [2023-11-29 05:28:41,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:41,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201370040] [2023-11-29 05:28:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2023-11-29 05:28:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 830 [2023-11-29 05:28:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-11-29 05:28:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-11-29 05:28:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 879 [2023-11-29 05:28:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2023-11-29 05:28:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-11-29 05:28:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2023-11-29 05:28:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-11-29 05:28:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-11-29 05:28:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-11-29 05:28:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-11-29 05:28:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-11-29 05:28:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:28:43,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201370040] [2023-11-29 05:28:43,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201370040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:43,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:28:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816092513] [2023-11-29 05:28:43,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:43,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:28:43,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:28:43,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:28:43,795 INFO L87 Difference]: Start difference. First operand 14946 states and 22696 transitions. Second operand has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:28:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:46,013 INFO L93 Difference]: Finished difference Result 15987 states and 24345 transitions. [2023-11-29 05:28:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:46,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1200 [2023-11-29 05:28:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:46,027 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:28:46,028 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:28:46,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:46,031 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 2558 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:46,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2559 Valid, 2556 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:28:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:28:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:28:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.496852266368215) internal successors, (21399), 14296 states have internal predecessors, (21399), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22695 transitions. [2023-11-29 05:28:47,255 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22695 transitions. Word has length 1200 [2023-11-29 05:28:47,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:47,255 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22695 transitions. [2023-11-29 05:28:47,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:28:47,256 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22695 transitions. [2023-11-29 05:28:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2023-11-29 05:28:47,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:47,279 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:47,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-11-29 05:28:47,279 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:47,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:47,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2117379751, now seen corresponding path program 1 times [2023-11-29 05:28:47,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:47,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395481818] [2023-11-29 05:28:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2023-11-29 05:28:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2023-11-29 05:28:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-11-29 05:28:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-11-29 05:28:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 880 [2023-11-29 05:28:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-11-29 05:28:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-11-29 05:28:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-11-29 05:28:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-11-29 05:28:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-11-29 05:28:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2023-11-29 05:28:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-11-29 05:28:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-11-29 05:28:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:28:50,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:50,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395481818] [2023-11-29 05:28:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395481818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:50,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:50,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:28:50,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168776204] [2023-11-29 05:28:50,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:50,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:28:50,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:50,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:28:50,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:28:50,238 INFO L87 Difference]: Start difference. First operand 14946 states and 22695 transitions. Second operand has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:51,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:51,629 INFO L93 Difference]: Finished difference Result 15987 states and 24343 transitions. [2023-11-29 05:28:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:51,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1201 [2023-11-29 05:28:51,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:51,645 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:28:51,645 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:28:51,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:51,649 INFO L413 NwaCegarLoop]: 1651 mSDtfsCounter, 1440 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:51,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 3320 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:28:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:28:52,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:28:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.496782316731953) internal successors, (21398), 14296 states have internal predecessors, (21398), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22694 transitions. [2023-11-29 05:28:52,893 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22694 transitions. Word has length 1201 [2023-11-29 05:28:52,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:52,893 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22694 transitions. [2023-11-29 05:28:52,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 214.8) internal successors, (1074), 5 states have internal predecessors, (1074), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22694 transitions. [2023-11-29 05:28:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2023-11-29 05:28:52,915 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:52,916 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:52,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-11-29 05:28:52,916 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:52,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:52,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2123586169, now seen corresponding path program 1 times [2023-11-29 05:28:52,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:52,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178252206] [2023-11-29 05:28:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:52,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:28:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:28:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:28:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:28:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:28:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:28:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:28:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:28:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:28:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:28:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:28:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:28:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:28:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2023-11-29 05:28:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2023-11-29 05:28:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2023-11-29 05:28:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-11-29 05:28:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2023-11-29 05:28:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2023-11-29 05:28:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-11-29 05:28:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2023-11-29 05:28:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-11-29 05:28:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2023-11-29 05:28:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2023-11-29 05:28:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2023-11-29 05:28:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2023-11-29 05:28:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:28:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:28:55,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:28:55,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178252206] [2023-11-29 05:28:55,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178252206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:28:55,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:28:55,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:28:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761124927] [2023-11-29 05:28:55,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:28:55,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:28:55,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:28:55,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:28:55,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:28:55,418 INFO L87 Difference]: Start difference. First operand 14946 states and 22694 transitions. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:28:56,816 INFO L93 Difference]: Finished difference Result 15987 states and 24341 transitions. [2023-11-29 05:28:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:28:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1202 [2023-11-29 05:28:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:28:56,831 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:28:56,832 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:28:56,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:28:56,835 INFO L413 NwaCegarLoop]: 1651 mSDtfsCounter, 1432 mSDsluCounter, 1669 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:28:56,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 3320 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:28:56,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:28:58,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:28:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.496712367095691) internal successors, (21397), 14296 states have internal predecessors, (21397), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:28:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22693 transitions. [2023-11-29 05:28:58,077 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22693 transitions. Word has length 1202 [2023-11-29 05:28:58,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:28:58,078 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22693 transitions. [2023-11-29 05:28:58,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:28:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22693 transitions. [2023-11-29 05:28:58,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1204 [2023-11-29 05:28:58,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:28:58,099 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:28:58,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-11-29 05:28:58,099 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:28:58,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:28:58,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1515279181, now seen corresponding path program 1 times [2023-11-29 05:28:58,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:28:58,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716611094] [2023-11-29 05:28:58,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:28:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:28:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2023-11-29 05:29:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-11-29 05:29:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-11-29 05:29:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-11-29 05:29:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 882 [2023-11-29 05:29:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2023-11-29 05:29:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2023-11-29 05:29:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2023-11-29 05:29:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-11-29 05:29:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2023-11-29 05:29:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2023-11-29 05:29:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2023-11-29 05:29:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2023-11-29 05:29:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:00,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:00,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716611094] [2023-11-29 05:29:00,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716611094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:00,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:00,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:00,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670195370] [2023-11-29 05:29:00,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:00,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:00,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:00,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:00,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:00,721 INFO L87 Difference]: Start difference. First operand 14946 states and 22693 transitions. Second operand has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:02,484 INFO L93 Difference]: Finished difference Result 15987 states and 24339 transitions. [2023-11-29 05:29:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:02,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1203 [2023-11-29 05:29:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:02,497 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:02,497 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:02,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:02,500 INFO L413 NwaCegarLoop]: 1275 mSDtfsCounter, 1286 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:02,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 2568 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:29:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:03,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4966424174594293) internal successors, (21396), 14296 states have internal predecessors, (21396), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22692 transitions. [2023-11-29 05:29:03,663 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22692 transitions. Word has length 1203 [2023-11-29 05:29:03,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:03,664 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22692 transitions. [2023-11-29 05:29:03,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.2) internal successors, (1076), 5 states have internal predecessors, (1076), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:03,664 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22692 transitions. [2023-11-29 05:29:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1205 [2023-11-29 05:29:03,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:03,685 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:03,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-11-29 05:29:03,685 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:03,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:03,686 INFO L85 PathProgramCache]: Analyzing trace with hash 493931511, now seen corresponding path program 1 times [2023-11-29 05:29:03,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:03,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723528611] [2023-11-29 05:29:03,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2023-11-29 05:29:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2023-11-29 05:29:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2023-11-29 05:29:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 864 [2023-11-29 05:29:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 883 [2023-11-29 05:29:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2023-11-29 05:29:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2023-11-29 05:29:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2023-11-29 05:29:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-11-29 05:29:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-11-29 05:29:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-11-29 05:29:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2023-11-29 05:29:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2023-11-29 05:29:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:06,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:06,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:06,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723528611] [2023-11-29 05:29:06,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723528611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:06,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:06,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:06,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980893998] [2023-11-29 05:29:06,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:06,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:06,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:06,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:06,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:06,266 INFO L87 Difference]: Start difference. First operand 14946 states and 22692 transitions. Second operand has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:07,522 INFO L93 Difference]: Finished difference Result 15987 states and 24337 transitions. [2023-11-29 05:29:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:07,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1204 [2023-11-29 05:29:07,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:07,535 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:07,535 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:07,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:07,538 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 2496 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:07,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 3302 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4965724678231673) internal successors, (21395), 14296 states have internal predecessors, (21395), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22691 transitions. [2023-11-29 05:29:08,769 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22691 transitions. Word has length 1204 [2023-11-29 05:29:08,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:08,770 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22691 transitions. [2023-11-29 05:29:08,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.4) internal successors, (1077), 5 states have internal predecessors, (1077), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:08,770 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22691 transitions. [2023-11-29 05:29:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1206 [2023-11-29 05:29:08,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:08,791 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:08,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-11-29 05:29:08,791 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:08,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1556324475, now seen corresponding path program 1 times [2023-11-29 05:29:08,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118965982] [2023-11-29 05:29:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:08,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 820 [2023-11-29 05:29:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 835 [2023-11-29 05:29:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2023-11-29 05:29:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 865 [2023-11-29 05:29:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2023-11-29 05:29:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2023-11-29 05:29:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2023-11-29 05:29:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-11-29 05:29:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2023-11-29 05:29:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-11-29 05:29:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-11-29 05:29:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2023-11-29 05:29:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2023-11-29 05:29:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:11,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:11,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118965982] [2023-11-29 05:29:11,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118965982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:11,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:11,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:11,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676686260] [2023-11-29 05:29:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:11,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:11,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:11,336 INFO L87 Difference]: Start difference. First operand 14946 states and 22691 transitions. Second operand has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:12,574 INFO L93 Difference]: Finished difference Result 15987 states and 24335 transitions. [2023-11-29 05:29:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:12,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1205 [2023-11-29 05:29:12,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:12,588 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:12,588 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:12,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:12,592 INFO L413 NwaCegarLoop]: 1650 mSDtfsCounter, 2480 mSDsluCounter, 1652 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 3302 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:12,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 3302 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:12,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:13,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4965025181869054) internal successors, (21394), 14296 states have internal predecessors, (21394), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22690 transitions. [2023-11-29 05:29:13,803 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22690 transitions. Word has length 1205 [2023-11-29 05:29:13,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:13,804 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22690 transitions. [2023-11-29 05:29:13,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22690 transitions. [2023-11-29 05:29:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2023-11-29 05:29:13,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:13,826 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:13,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-11-29 05:29:13,827 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:13,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1164739351, now seen corresponding path program 1 times [2023-11-29 05:29:13,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:13,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123666053] [2023-11-29 05:29:13,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:13,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2023-11-29 05:29:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2023-11-29 05:29:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2023-11-29 05:29:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2023-11-29 05:29:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 885 [2023-11-29 05:29:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2023-11-29 05:29:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2023-11-29 05:29:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-11-29 05:29:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-11-29 05:29:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-11-29 05:29:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-11-29 05:29:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-11-29 05:29:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2023-11-29 05:29:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:16,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:16,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123666053] [2023-11-29 05:29:16,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123666053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:16,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:16,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:16,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793564138] [2023-11-29 05:29:16,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:16,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:16,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:16,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:16,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:16,380 INFO L87 Difference]: Start difference. First operand 14946 states and 22690 transitions. Second operand has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:18,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:18,169 INFO L93 Difference]: Finished difference Result 15987 states and 24333 transitions. [2023-11-29 05:29:18,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1206 [2023-11-29 05:29:18,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:18,184 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:18,184 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:18,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:18,188 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 1228 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:18,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 2564 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:29:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4964325685506434) internal successors, (21393), 14296 states have internal predecessors, (21393), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22689 transitions. [2023-11-29 05:29:19,399 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22689 transitions. Word has length 1206 [2023-11-29 05:29:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:19,400 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22689 transitions. [2023-11-29 05:29:19,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.8) internal successors, (1079), 5 states have internal predecessors, (1079), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22689 transitions. [2023-11-29 05:29:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2023-11-29 05:29:19,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:19,423 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:19,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-11-29 05:29:19,423 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:19,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:19,423 INFO L85 PathProgramCache]: Analyzing trace with hash 234100919, now seen corresponding path program 1 times [2023-11-29 05:29:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:19,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214280884] [2023-11-29 05:29:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 822 [2023-11-29 05:29:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2023-11-29 05:29:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 852 [2023-11-29 05:29:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 867 [2023-11-29 05:29:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 886 [2023-11-29 05:29:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2023-11-29 05:29:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2023-11-29 05:29:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2023-11-29 05:29:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-11-29 05:29:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2023-11-29 05:29:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2023-11-29 05:29:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-11-29 05:29:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-11-29 05:29:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:21,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:21,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214280884] [2023-11-29 05:29:21,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214280884] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:21,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:21,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:21,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137198335] [2023-11-29 05:29:21,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:21,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:21,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:21,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:21,912 INFO L87 Difference]: Start difference. First operand 14946 states and 22689 transitions. Second operand has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:23,210 INFO L93 Difference]: Finished difference Result 15987 states and 24331 transitions. [2023-11-29 05:29:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1207 [2023-11-29 05:29:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:23,226 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:23,226 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:23,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:23,229 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 2380 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:23,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2393 Valid, 3300 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4963626189143817) internal successors, (21392), 14296 states have internal predecessors, (21392), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:24,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22688 transitions. [2023-11-29 05:29:24,404 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22688 transitions. Word has length 1207 [2023-11-29 05:29:24,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:24,404 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22688 transitions. [2023-11-29 05:29:24,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22688 transitions. [2023-11-29 05:29:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2023-11-29 05:29:24,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:24,427 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:24,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-11-29 05:29:24,427 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:24,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:24,428 INFO L85 PathProgramCache]: Analyzing trace with hash -102499935, now seen corresponding path program 1 times [2023-11-29 05:29:24,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:24,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001416810] [2023-11-29 05:29:24,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:24,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 823 [2023-11-29 05:29:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2023-11-29 05:29:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2023-11-29 05:29:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 868 [2023-11-29 05:29:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2023-11-29 05:29:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2023-11-29 05:29:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2023-11-29 05:29:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2023-11-29 05:29:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-11-29 05:29:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-11-29 05:29:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2023-11-29 05:29:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2023-11-29 05:29:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2023-11-29 05:29:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:26,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:26,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001416810] [2023-11-29 05:29:26,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001416810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:26,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:26,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:26,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863524044] [2023-11-29 05:29:26,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:26,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:26,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:26,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:26,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:26,811 INFO L87 Difference]: Start difference. First operand 14946 states and 22688 transitions. Second operand has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:28,083 INFO L93 Difference]: Finished difference Result 15987 states and 24329 transitions. [2023-11-29 05:29:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:28,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1208 [2023-11-29 05:29:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:28,096 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:28,096 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:28,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:28,099 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 1316 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:28,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1329 Valid, 3316 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:28,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4962926692781198) internal successors, (21391), 14296 states have internal predecessors, (21391), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22687 transitions. [2023-11-29 05:29:29,296 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22687 transitions. Word has length 1208 [2023-11-29 05:29:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:29,297 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22687 transitions. [2023-11-29 05:29:29,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.2) internal successors, (1081), 5 states have internal predecessors, (1081), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22687 transitions. [2023-11-29 05:29:29,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1210 [2023-11-29 05:29:29,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:29,320 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:29,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-11-29 05:29:29,320 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:29,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1672973867, now seen corresponding path program 1 times [2023-11-29 05:29:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268859847] [2023-11-29 05:29:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:29,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 824 [2023-11-29 05:29:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2023-11-29 05:29:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2023-11-29 05:29:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2023-11-29 05:29:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 888 [2023-11-29 05:29:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2023-11-29 05:29:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2023-11-29 05:29:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2023-11-29 05:29:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2023-11-29 05:29:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2023-11-29 05:29:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2023-11-29 05:29:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2023-11-29 05:29:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2023-11-29 05:29:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:31,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268859847] [2023-11-29 05:29:31,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268859847] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:31,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:31,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:29:31,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285781770] [2023-11-29 05:29:31,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:31,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:29:31,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:29:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:31,933 INFO L87 Difference]: Start difference. First operand 14946 states and 22687 transitions. Second operand has 5 states, 5 states have (on average 216.4) internal successors, (1082), 5 states have internal predecessors, (1082), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:33,699 INFO L93 Difference]: Finished difference Result 15987 states and 24327 transitions. [2023-11-29 05:29:33,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:33,700 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.4) internal successors, (1082), 5 states have internal predecessors, (1082), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1209 [2023-11-29 05:29:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:33,714 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:33,714 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:33,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:29:33,718 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 1170 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:33,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 2560 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:29:33,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4962227196418578) internal successors, (21390), 14296 states have internal predecessors, (21390), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22686 transitions. [2023-11-29 05:29:34,976 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22686 transitions. Word has length 1209 [2023-11-29 05:29:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:34,977 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22686 transitions. [2023-11-29 05:29:34,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.4) internal successors, (1082), 5 states have internal predecessors, (1082), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:29:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22686 transitions. [2023-11-29 05:29:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1211 [2023-11-29 05:29:35,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:35,004 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:35,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-11-29 05:29:35,004 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:35,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:35,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1152522095, now seen corresponding path program 1 times [2023-11-29 05:29:35,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:35,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614150738] [2023-11-29 05:29:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2023-11-29 05:29:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2023-11-29 05:29:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-11-29 05:29:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2023-11-29 05:29:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-11-29 05:29:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2023-11-29 05:29:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-11-29 05:29:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-11-29 05:29:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-11-29 05:29:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-11-29 05:29:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-11-29 05:29:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-11-29 05:29:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-11-29 05:29:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:39,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:39,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614150738] [2023-11-29 05:29:39,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614150738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:39,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:39,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:29:39,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533635608] [2023-11-29 05:29:39,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:39,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:29:39,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:39,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:29:39,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:29:39,987 INFO L87 Difference]: Start difference. First operand 14946 states and 22686 transitions. Second operand has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:41,515 INFO L93 Difference]: Finished difference Result 15987 states and 24325 transitions. [2023-11-29 05:29:41,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:41,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1210 [2023-11-29 05:29:41,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:41,529 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:41,529 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:41,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:41,533 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 1212 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:41,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 3298 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:41,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:42,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4961527700055959) internal successors, (21389), 14296 states have internal predecessors, (21389), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22685 transitions. [2023-11-29 05:29:42,738 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22685 transitions. Word has length 1210 [2023-11-29 05:29:42,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:42,738 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22685 transitions. [2023-11-29 05:29:42,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:42,738 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22685 transitions. [2023-11-29 05:29:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1211 [2023-11-29 05:29:42,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:42,761 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:42,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-11-29 05:29:42,761 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:42,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:42,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1394705645, now seen corresponding path program 1 times [2023-11-29 05:29:42,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:42,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488878891] [2023-11-29 05:29:42,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:42,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:29:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:29:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:29:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:29:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:29:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:29:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:29:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:29:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:29:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:29:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:29:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:29:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:29:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:29:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2023-11-29 05:29:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2023-11-29 05:29:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-11-29 05:29:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2023-11-29 05:29:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-11-29 05:29:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2023-11-29 05:29:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-11-29 05:29:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-11-29 05:29:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-11-29 05:29:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-11-29 05:29:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-11-29 05:29:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-11-29 05:29:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-11-29 05:29:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:29:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:29:47,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:29:47,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488878891] [2023-11-29 05:29:47,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488878891] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:29:47,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:29:47,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:29:47,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082440353] [2023-11-29 05:29:47,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:29:47,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:29:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:29:47,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:29:47,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:29:47,425 INFO L87 Difference]: Start difference. First operand 14946 states and 22685 transitions. Second operand has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:29:48,711 INFO L93 Difference]: Finished difference Result 15987 states and 24323 transitions. [2023-11-29 05:29:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:29:48,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1210 [2023-11-29 05:29:48,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:29:48,723 INFO L225 Difference]: With dead ends: 15987 [2023-11-29 05:29:48,723 INFO L226 Difference]: Without dead ends: 14946 [2023-11-29 05:29:48,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:29:48,726 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 1101 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1101 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:29:48,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1101 Valid, 3298 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:29:48,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2023-11-29 05:29:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 14946. [2023-11-29 05:29:49,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14946 states, 14296 states have (on average 1.4960828203693342) internal successors, (21388), 14296 states have internal predecessors, (21388), 648 states have call successors, (648), 1 states have call predecessors, (648), 1 states have return successors, (648), 648 states have call predecessors, (648), 648 states have call successors, (648) [2023-11-29 05:29:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14946 states to 14946 states and 22684 transitions. [2023-11-29 05:29:49,888 INFO L78 Accepts]: Start accepts. Automaton has 14946 states and 22684 transitions. Word has length 1210 [2023-11-29 05:29:49,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:29:49,889 INFO L495 AbstractCegarLoop]: Abstraction has 14946 states and 22684 transitions. [2023-11-29 05:29:49,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:29:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 14946 states and 22684 transitions. [2023-11-29 05:29:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1211 [2023-11-29 05:29:49,911 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:29:49,912 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:29:49,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-11-29 05:29:49,912 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:29:49,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:29:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash 43405589, now seen corresponding path program 1 times [2023-11-29 05:29:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:29:49,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139881515] [2023-11-29 05:29:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:29:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:30:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:30:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:30:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:30:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:30:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:30:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:30:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:30:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:30:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:30:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:30:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:30:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:30:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:30:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 825 [2023-11-29 05:30:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 840 [2023-11-29 05:30:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2023-11-29 05:30:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2023-11-29 05:30:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 889 [2023-11-29 05:30:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2023-11-29 05:30:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2023-11-29 05:30:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2023-11-29 05:30:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-11-29 05:30:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-11-29 05:30:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-11-29 05:30:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-11-29 05:30:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2023-11-29 05:30:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:30:07,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:30:07,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139881515] [2023-11-29 05:30:07,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139881515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:30:07,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:30:07,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:30:07,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953491934] [2023-11-29 05:30:07,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:30:07,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:30:07,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:30:07,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:30:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:30:07,207 INFO L87 Difference]: Start difference. First operand 14946 states and 22684 transitions. Second operand has 6 states, 6 states have (on average 180.5) internal successors, (1083), 6 states have internal predecessors, (1083), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:30:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:30:10,547 INFO L93 Difference]: Finished difference Result 27456 states and 41195 transitions. [2023-11-29 05:30:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:30:10,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 180.5) internal successors, (1083), 6 states have internal predecessors, (1083), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1210 [2023-11-29 05:30:10,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:30:10,569 INFO L225 Difference]: With dead ends: 27456 [2023-11-29 05:30:10,569 INFO L226 Difference]: Without dead ends: 26415 [2023-11-29 05:30:10,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:30:10,573 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 1061 mSDsluCounter, 5750 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 7147 SdHoareTripleChecker+Invalid, 1763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:30:10,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 7147 Invalid, 1763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 05:30:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26415 states. [2023-11-29 05:30:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26415 to 20978. [2023-11-29 05:30:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20978 states, 20013 states have (on average 1.4861839804127317) internal successors, (29743), 20013 states have internal predecessors, (29743), 963 states have call successors, (963), 1 states have call predecessors, (963), 1 states have return successors, (963), 963 states have call predecessors, (963), 963 states have call successors, (963) [2023-11-29 05:30:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20978 states to 20978 states and 31669 transitions. [2023-11-29 05:30:12,347 INFO L78 Accepts]: Start accepts. Automaton has 20978 states and 31669 transitions. Word has length 1210 [2023-11-29 05:30:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:30:12,347 INFO L495 AbstractCegarLoop]: Abstraction has 20978 states and 31669 transitions. [2023-11-29 05:30:12,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.5) internal successors, (1083), 6 states have internal predecessors, (1083), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:30:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 20978 states and 31669 transitions. [2023-11-29 05:30:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1212 [2023-11-29 05:30:12,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:30:12,375 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:30:12,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-11-29 05:30:12,375 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:30:12,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:30:12,376 INFO L85 PathProgramCache]: Analyzing trace with hash 400799335, now seen corresponding path program 1 times [2023-11-29 05:30:12,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:30:12,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075636783] [2023-11-29 05:30:12,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:30:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:30:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:30:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:30:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:30:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:30:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:30:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:30:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:30:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:30:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:30:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:30:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:30:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:30:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:30:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-11-29 05:30:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-11-29 05:30:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-11-29 05:30:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2023-11-29 05:30:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 890 [2023-11-29 05:30:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2023-11-29 05:30:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2023-11-29 05:30:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2023-11-29 05:30:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-11-29 05:30:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2023-11-29 05:30:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2023-11-29 05:30:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2023-11-29 05:30:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-11-29 05:30:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:30:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:30:36,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:30:36,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075636783] [2023-11-29 05:30:36,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075636783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:30:36,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:30:36,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:30:36,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541135206] [2023-11-29 05:30:36,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:30:36,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:30:36,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:30:36,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:30:36,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:30:36,030 INFO L87 Difference]: Start difference. First operand 20978 states and 31669 transitions. Second operand has 7 states, 7 states have (on average 154.85714285714286) internal successors, (1084), 7 states have internal predecessors, (1084), 4 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-29 05:30:40,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:30:40,030 INFO L93 Difference]: Finished difference Result 23127 states and 35057 transitions. [2023-11-29 05:30:40,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:30:40,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 154.85714285714286) internal successors, (1084), 7 states have internal predecessors, (1084), 4 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 1211 [2023-11-29 05:30:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:30:40,048 INFO L225 Difference]: With dead ends: 23127 [2023-11-29 05:30:40,048 INFO L226 Difference]: Without dead ends: 22086 [2023-11-29 05:30:40,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:30:40,052 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 3940 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 3498 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3941 SdHoareTripleChecker+Valid, 9478 SdHoareTripleChecker+Invalid, 3521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 3498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:30:40,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3941 Valid, 9478 Invalid, 3521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 3498 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 05:30:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22086 states. [2023-11-29 05:30:41,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22086 to 21092. [2023-11-29 05:30:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21092 states, 20123 states have (on average 1.4864085871887889) internal successors, (29911), 20123 states have internal predecessors, (29911), 967 states have call successors, (967), 1 states have call predecessors, (967), 1 states have return successors, (967), 967 states have call predecessors, (967), 967 states have call successors, (967) [2023-11-29 05:30:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21092 states to 21092 states and 31845 transitions. [2023-11-29 05:30:41,879 INFO L78 Accepts]: Start accepts. Automaton has 21092 states and 31845 transitions. Word has length 1211 [2023-11-29 05:30:41,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:30:41,880 INFO L495 AbstractCegarLoop]: Abstraction has 21092 states and 31845 transitions. [2023-11-29 05:30:41,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.85714285714286) internal successors, (1084), 7 states have internal predecessors, (1084), 4 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-29 05:30:41,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21092 states and 31845 transitions. [2023-11-29 05:30:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2023-11-29 05:30:41,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:30:41,907 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:30:41,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-11-29 05:30:41,907 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:30:41,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:30:41,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1262220243, now seen corresponding path program 1 times [2023-11-29 05:30:41,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:30:41,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074250092] [2023-11-29 05:30:41,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:30:41,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:31:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:31:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:31:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:31:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:31:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:31:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:31:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:31:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:31:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:31:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:31:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:31:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:31:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-11-29 05:31:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-11-29 05:31:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-11-29 05:31:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2023-11-29 05:31:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-11-29 05:31:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-11-29 05:31:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-11-29 05:31:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-11-29 05:31:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-11-29 05:31:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-11-29 05:31:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-11-29 05:31:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-11-29 05:31:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-11-29 05:31:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1644 backedges. 339 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:31:07,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074250092] [2023-11-29 05:31:07,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074250092] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:31:07,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941277499] [2023-11-29 05:31:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:07,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:31:07,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:31:07,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:31:07,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:31:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:09,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 7115 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:31:09,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:31:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1644 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2023-11-29 05:31:09,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:31:09,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941277499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:09,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:31:09,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-11-29 05:31:09,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857982015] [2023-11-29 05:31:09,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:09,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:31:09,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:09,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:31:09,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:31:09,461 INFO L87 Difference]: Start difference. First operand 21092 states and 31845 transitions. Second operand has 8 states, 7 states have (on average 111.0) internal successors, (777), 8 states have internal predecessors, (777), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 05:31:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:11,650 INFO L93 Difference]: Finished difference Result 39887 states and 59871 transitions. [2023-11-29 05:31:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:31:11,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 111.0) internal successors, (777), 8 states have internal predecessors, (777), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1212 [2023-11-29 05:31:11,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:11,668 INFO L225 Difference]: With dead ends: 39887 [2023-11-29 05:31:11,668 INFO L226 Difference]: Without dead ends: 21026 [2023-11-29 05:31:11,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1279 GetRequests, 1259 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:31:11,680 INFO L413 NwaCegarLoop]: 1693 mSDtfsCounter, 1579 mSDsluCounter, 8443 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 10136 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:11,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 10136 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:31:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21026 states. [2023-11-29 05:31:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21026 to 21026. [2023-11-29 05:31:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21026 states, 20057 states have (on average 1.476541855711223) internal successors, (29615), 20057 states have internal predecessors, (29615), 967 states have call successors, (967), 1 states have call predecessors, (967), 1 states have return successors, (967), 967 states have call predecessors, (967), 967 states have call successors, (967) [2023-11-29 05:31:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21026 states to 21026 states and 31549 transitions. [2023-11-29 05:31:13,491 INFO L78 Accepts]: Start accepts. Automaton has 21026 states and 31549 transitions. Word has length 1212 [2023-11-29 05:31:13,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:13,491 INFO L495 AbstractCegarLoop]: Abstraction has 21026 states and 31549 transitions. [2023-11-29 05:31:13,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 111.0) internal successors, (777), 8 states have internal predecessors, (777), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 05:31:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21026 states and 31549 transitions. [2023-11-29 05:31:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2023-11-29 05:31:13,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:13,520 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:13,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:31:13,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2023-11-29 05:31:13,721 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:13,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:13,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1569168207, now seen corresponding path program 1 times [2023-11-29 05:31:13,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:13,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195426408] [2023-11-29 05:31:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:13,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:31:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:31:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:31:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:31:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 05:31:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 05:31:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 05:31:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-29 05:31:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-29 05:31:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:31:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:31:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:31:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 05:31:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-11-29 05:31:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-11-29 05:31:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-11-29 05:31:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2023-11-29 05:31:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-11-29 05:31:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-11-29 05:31:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-11-29 05:31:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-11-29 05:31:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-11-29 05:31:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-11-29 05:31:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-11-29 05:31:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-11-29 05:31:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-11-29 05:31:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2023-11-29 05:31:29,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:29,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195426408] [2023-11-29 05:31:29,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195426408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:29,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:29,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 05:31:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549699403] [2023-11-29 05:31:29,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:29,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:31:29,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:29,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:31:29,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:31:29,994 INFO L87 Difference]: Start difference. First operand 21026 states and 31549 transitions. Second operand has 8 states, 8 states have (on average 111.25) internal successors, (890), 8 states have internal predecessors, (890), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:31:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:31:33,082 INFO L93 Difference]: Finished difference Result 37731 states and 56851 transitions. [2023-11-29 05:31:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:31:33,083 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 111.25) internal successors, (890), 8 states have internal predecessors, (890), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1212 [2023-11-29 05:31:33,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:31:33,111 INFO L225 Difference]: With dead ends: 37731 [2023-11-29 05:31:33,112 INFO L226 Difference]: Without dead ends: 36303 [2023-11-29 05:31:33,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:33,117 INFO L413 NwaCegarLoop]: 4745 mSDtfsCounter, 4363 mSDsluCounter, 19003 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4389 SdHoareTripleChecker+Valid, 23748 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:31:33,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4389 Valid, 23748 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:31:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36303 states. [2023-11-29 05:31:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36303 to 27717. [2023-11-29 05:31:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27717 states, 26433 states have (on average 1.476033745696667) internal successors, (39016), 26433 states have internal predecessors, (39016), 1282 states have call successors, (1282), 1 states have call predecessors, (1282), 1 states have return successors, (1282), 1282 states have call predecessors, (1282), 1282 states have call successors, (1282) [2023-11-29 05:31:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27717 states to 27717 states and 41580 transitions. [2023-11-29 05:31:35,597 INFO L78 Accepts]: Start accepts. Automaton has 27717 states and 41580 transitions. Word has length 1212 [2023-11-29 05:31:35,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:31:35,598 INFO L495 AbstractCegarLoop]: Abstraction has 27717 states and 41580 transitions. [2023-11-29 05:31:35,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 111.25) internal successors, (890), 8 states have internal predecessors, (890), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:31:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 27717 states and 41580 transitions. [2023-11-29 05:31:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2023-11-29 05:31:35,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:31:35,637 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:31:35,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-11-29 05:31:35,637 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:31:35,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:31:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash -792004723, now seen corresponding path program 1 times [2023-11-29 05:31:35,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:31:35,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717540290] [2023-11-29 05:31:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:31:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:31:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:31:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:31:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:31:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:31:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 05:31:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 05:31:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 05:31:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-29 05:31:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-29 05:31:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:31:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:31:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:31:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 05:31:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2023-11-29 05:31:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2023-11-29 05:31:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2023-11-29 05:31:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 871 [2023-11-29 05:31:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 891 [2023-11-29 05:31:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2023-11-29 05:31:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2023-11-29 05:31:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2023-11-29 05:31:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-11-29 05:31:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2023-11-29 05:31:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2023-11-29 05:31:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2023-11-29 05:31:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-11-29 05:31:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:31:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:31:53,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:31:53,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717540290] [2023-11-29 05:31:53,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717540290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:31:53,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:31:53,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 05:31:53,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879582286] [2023-11-29 05:31:53,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:31:53,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:31:53,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:31:53,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:31:53,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:31:53,978 INFO L87 Difference]: Start difference. First operand 27717 states and 41580 transitions. Second operand has 10 states, 10 states have (on average 108.5) internal successors, (1085), 10 states have internal predecessors, (1085), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:00,868 INFO L93 Difference]: Finished difference Result 50939 states and 76661 transitions. [2023-11-29 05:32:00,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:32:00,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 108.5) internal successors, (1085), 10 states have internal predecessors, (1085), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1212 [2023-11-29 05:32:00,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:00,910 INFO L225 Difference]: With dead ends: 50939 [2023-11-29 05:32:00,910 INFO L226 Difference]: Without dead ends: 49786 [2023-11-29 05:32:00,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:32:00,916 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 11533 mSDsluCounter, 8564 mSDsCounter, 0 mSdLazyCounter, 3541 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11559 SdHoareTripleChecker+Valid, 9846 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 3541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:00,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11559 Valid, 9846 Invalid, 3557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 3541 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 05:32:00,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49786 states. [2023-11-29 05:32:04,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49786 to 34406. [2023-11-29 05:32:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34406 states, 32807 states have (on average 1.4757521260706556) internal successors, (48415), 32807 states have internal predecessors, (48415), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:32:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34406 states to 34406 states and 51609 transitions. [2023-11-29 05:32:04,103 INFO L78 Accepts]: Start accepts. Automaton has 34406 states and 51609 transitions. Word has length 1212 [2023-11-29 05:32:04,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:04,104 INFO L495 AbstractCegarLoop]: Abstraction has 34406 states and 51609 transitions. [2023-11-29 05:32:04,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 108.5) internal successors, (1085), 10 states have internal predecessors, (1085), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34406 states and 51609 transitions. [2023-11-29 05:32:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2023-11-29 05:32:04,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:04,147 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:04,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-11-29 05:32:04,147 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:32:04,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:04,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1692294451, now seen corresponding path program 1 times [2023-11-29 05:32:04,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:04,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123586713] [2023-11-29 05:32:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:04,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:32:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:32:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:32:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:32:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:32:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:32:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:32:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:32:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:32:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:32:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:32:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:32:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:32:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-11-29 05:32:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-11-29 05:32:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-11-29 05:32:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-11-29 05:32:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-11-29 05:32:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-11-29 05:32:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-11-29 05:32:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-11-29 05:32:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-11-29 05:32:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-11-29 05:32:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-11-29 05:32:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-11-29 05:32:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-11-29 05:32:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 1492 trivial. 0 not checked. [2023-11-29 05:32:07,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:07,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123586713] [2023-11-29 05:32:07,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123586713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:07,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:07,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:32:07,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496222709] [2023-11-29 05:32:07,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:07,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:32:07,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:32:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:32:07,112 INFO L87 Difference]: Start difference. First operand 34406 states and 51609 transitions. Second operand has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:11,582 INFO L93 Difference]: Finished difference Result 38424 states and 57928 transitions. [2023-11-29 05:32:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:32:11,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1213 [2023-11-29 05:32:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:11,614 INFO L225 Difference]: With dead ends: 38424 [2023-11-29 05:32:11,614 INFO L226 Difference]: Without dead ends: 36421 [2023-11-29 05:32:11,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:32:11,621 INFO L413 NwaCegarLoop]: 1512 mSDtfsCounter, 2976 mSDsluCounter, 4287 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 5799 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:11,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2989 Valid, 5799 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 05:32:11,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36421 states. [2023-11-29 05:32:14,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36421 to 34412. [2023-11-29 05:32:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34412 states, 32813 states have (on average 1.4756651327217871) internal successors, (48421), 32813 states have internal predecessors, (48421), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:32:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34412 states to 34412 states and 51615 transitions. [2023-11-29 05:32:14,724 INFO L78 Accepts]: Start accepts. Automaton has 34412 states and 51615 transitions. Word has length 1213 [2023-11-29 05:32:14,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:14,724 INFO L495 AbstractCegarLoop]: Abstraction has 34412 states and 51615 transitions. [2023-11-29 05:32:14,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 34412 states and 51615 transitions. [2023-11-29 05:32:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2023-11-29 05:32:14,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:14,768 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:14,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-11-29 05:32:14,768 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:32:14,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1580545457, now seen corresponding path program 1 times [2023-11-29 05:32:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479303835] [2023-11-29 05:32:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 05:32:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-29 05:32:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-29 05:32:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-29 05:32:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 05:32:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-29 05:32:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 05:32:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 05:32:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 05:32:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-29 05:32:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2023-11-29 05:32:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-29 05:32:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-11-29 05:32:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-11-29 05:32:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-11-29 05:32:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-11-29 05:32:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-11-29 05:32:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-11-29 05:32:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-11-29 05:32:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-11-29 05:32:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-11-29 05:32:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-11-29 05:32:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-11-29 05:32:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-11-29 05:32:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-11-29 05:32:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-11-29 05:32:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 344 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:32:39,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:39,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479303835] [2023-11-29 05:32:39,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479303835] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:32:39,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100475260] [2023-11-29 05:32:39,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:39,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:32:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:32:39,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:32:40,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:32:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:41,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 7119 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:32:41,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:32:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 1021 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-29 05:32:43,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:32:43,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100475260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:43,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:32:43,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2023-11-29 05:32:43,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507979319] [2023-11-29 05:32:43,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:43,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:32:43,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:32:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:32:43,272 INFO L87 Difference]: Start difference. First operand 34412 states and 51615 transitions. Second operand has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:47,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:47,701 INFO L93 Difference]: Finished difference Result 37199 states and 56018 transitions. [2023-11-29 05:32:47,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:32:47,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 1213 [2023-11-29 05:32:47,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:47,732 INFO L225 Difference]: With dead ends: 37199 [2023-11-29 05:32:47,732 INFO L226 Difference]: Without dead ends: 36044 [2023-11-29 05:32:47,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1276 GetRequests, 1262 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:32:47,739 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 3415 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:47,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 4286 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:32:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36044 states. [2023-11-29 05:32:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36044 to 35903. [2023-11-29 05:32:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35903 states, 34304 states have (on average 1.480556203358209) internal successors, (50789), 34304 states have internal predecessors, (50789), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:32:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35903 states to 35903 states and 53983 transitions. [2023-11-29 05:32:50,907 INFO L78 Accepts]: Start accepts. Automaton has 35903 states and 53983 transitions. Word has length 1213 [2023-11-29 05:32:50,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:50,908 INFO L495 AbstractCegarLoop]: Abstraction has 35903 states and 53983 transitions. [2023-11-29 05:32:50,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.5) internal successors, (1089), 6 states have internal predecessors, (1089), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-29 05:32:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 35903 states and 53983 transitions. [2023-11-29 05:32:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2023-11-29 05:32:50,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:50,950 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:50,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:32:51,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2023-11-29 05:32:51,151 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:32:51,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash 70859467, now seen corresponding path program 1 times [2023-11-29 05:32:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:51,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744926914] [2023-11-29 05:32:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:33:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:33:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:33:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:33:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 05:33:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 05:33:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 05:33:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-29 05:33:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-29 05:33:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:33:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:33:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:33:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 05:33:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-11-29 05:33:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-11-29 05:33:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-11-29 05:33:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-11-29 05:33:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-11-29 05:33:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-11-29 05:33:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-11-29 05:33:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-11-29 05:33:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-11-29 05:33:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-11-29 05:33:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-11-29 05:33:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-11-29 05:33:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-11-29 05:33:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 344 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:33:14,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:14,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744926914] [2023-11-29 05:33:14,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744926914] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:33:14,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171073534] [2023-11-29 05:33:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:14,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:14,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:14,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:14,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:33:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:15,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 7118 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:33:15,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2023-11-29 05:33:15,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:15,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171073534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:15,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:33:15,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:33:15,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719966060] [2023-11-29 05:33:15,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:15,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:33:15,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:15,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:33:15,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:33:15,970 INFO L87 Difference]: Start difference. First operand 35903 states and 53983 transitions. Second operand has 8 states, 7 states have (on average 115.85714285714286) internal successors, (811), 8 states have internal predecessors, (811), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 05:33:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:19,406 INFO L93 Difference]: Finished difference Result 57343 states and 86154 transitions. [2023-11-29 05:33:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:33:19,406 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 115.85714285714286) internal successors, (811), 8 states have internal predecessors, (811), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 1213 [2023-11-29 05:33:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:19,439 INFO L225 Difference]: With dead ends: 57343 [2023-11-29 05:33:19,439 INFO L226 Difference]: Without dead ends: 35903 [2023-11-29 05:33:19,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1277 GetRequests, 1260 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:33:19,455 INFO L413 NwaCegarLoop]: 1690 mSDtfsCounter, 1579 mSDsluCounter, 8431 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 10121 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:19,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 10121 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:33:19,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35903 states. [2023-11-29 05:33:22,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35903 to 35579. [2023-11-29 05:33:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35579 states, 33980 states have (on average 1.4803708063566805) internal successors, (50303), 33980 states have internal predecessors, (50303), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:33:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35579 states to 35579 states and 53497 transitions. [2023-11-29 05:33:22,725 INFO L78 Accepts]: Start accepts. Automaton has 35579 states and 53497 transitions. Word has length 1213 [2023-11-29 05:33:22,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:22,725 INFO L495 AbstractCegarLoop]: Abstraction has 35579 states and 53497 transitions. [2023-11-29 05:33:22,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 115.85714285714286) internal successors, (811), 8 states have internal predecessors, (811), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 05:33:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 35579 states and 53497 transitions. [2023-11-29 05:33:22,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2023-11-29 05:33:22,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:22,767 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:22,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:33:22,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2023-11-29 05:33:22,969 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:22,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash 26814283, now seen corresponding path program 1 times [2023-11-29 05:33:22,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:22,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179917128] [2023-11-29 05:33:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:33:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:33:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:33:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:33:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 05:33:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-29 05:33:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 05:33:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-29 05:33:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-11-29 05:33:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:33:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:33:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:33:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 05:33:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-11-29 05:33:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-11-29 05:33:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-11-29 05:33:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-11-29 05:33:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2023-11-29 05:33:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2023-11-29 05:33:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2023-11-29 05:33:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2023-11-29 05:33:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2023-11-29 05:33:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2023-11-29 05:33:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2023-11-29 05:33:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2023-11-29 05:33:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2023-11-29 05:33:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 344 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:33:48,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:48,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179917128] [2023-11-29 05:33:48,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179917128] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:33:48,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968647250] [2023-11-29 05:33:48,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:48,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:48,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:48,298 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:48,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:33:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:49,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 7116 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:33:49,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 496 proven. 0 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-11-29 05:33:49,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:49,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968647250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:49,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:33:49,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:33:49,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609614642] [2023-11-29 05:33:49,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:49,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:33:49,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:49,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:33:49,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:33:49,854 INFO L87 Difference]: Start difference. First operand 35579 states and 53497 transitions. Second operand has 8 states, 7 states have (on average 118.0) internal successors, (826), 8 states have internal predecessors, (826), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:33:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:53,174 INFO L93 Difference]: Finished difference Result 53293 states and 80219 transitions. [2023-11-29 05:33:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:33:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 118.0) internal successors, (826), 8 states have internal predecessors, (826), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 1213 [2023-11-29 05:33:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:53,208 INFO L225 Difference]: With dead ends: 53293 [2023-11-29 05:33:53,208 INFO L226 Difference]: Without dead ends: 35579 [2023-11-29 05:33:53,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1277 GetRequests, 1260 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:33:53,223 INFO L413 NwaCegarLoop]: 1689 mSDtfsCounter, 1578 mSDsluCounter, 8426 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 10115 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:53,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 10115 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:33:53,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35579 states. [2023-11-29 05:33:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35579 to 35579. [2023-11-29 05:33:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35579 states, 33980 states have (on average 1.4768098881695115) internal successors, (50182), 33980 states have internal predecessors, (50182), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:33:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35579 states to 35579 states and 53376 transitions. [2023-11-29 05:33:56,440 INFO L78 Accepts]: Start accepts. Automaton has 35579 states and 53376 transitions. Word has length 1213 [2023-11-29 05:33:56,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:56,441 INFO L495 AbstractCegarLoop]: Abstraction has 35579 states and 53376 transitions. [2023-11-29 05:33:56,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 118.0) internal successors, (826), 8 states have internal predecessors, (826), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-29 05:33:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 35579 states and 53376 transitions. [2023-11-29 05:33:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1215 [2023-11-29 05:33:56,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:56,483 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:56,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:33:56,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2023-11-29 05:33:56,684 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:56,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:56,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1731294379, now seen corresponding path program 1 times [2023-11-29 05:33:56,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:56,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742643721] [2023-11-29 05:33:56,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:56,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:33:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:33:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:33:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:33:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:33:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 05:33:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-29 05:33:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 05:33:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-29 05:33:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-29 05:33:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-29 05:33:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-29 05:33:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-11-29 05:33:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 827 [2023-11-29 05:33:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2023-11-29 05:33:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2023-11-29 05:33:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2023-11-29 05:33:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2023-11-29 05:33:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2023-11-29 05:33:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2023-11-29 05:33:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2023-11-29 05:33:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2023-11-29 05:33:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2023-11-29 05:33:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2023-11-29 05:33:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 994 [2023-11-29 05:33:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2023-11-29 05:33:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2023-11-29 05:33:59,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:59,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742643721] [2023-11-29 05:33:59,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742643721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:59,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:59,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:33:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95530397] [2023-11-29 05:33:59,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:59,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:59,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:59,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:59,088 INFO L87 Difference]: Start difference. First operand 35579 states and 53376 transitions. Second operand has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 05:34:02,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:02,035 INFO L93 Difference]: Finished difference Result 50926 states and 76451 transitions. [2023-11-29 05:34:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:34:02,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 1214 [2023-11-29 05:34:02,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:02,064 INFO L225 Difference]: With dead ends: 50926 [2023-11-29 05:34:02,064 INFO L226 Difference]: Without dead ends: 35984 [2023-11-29 05:34:02,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:34:02,075 INFO L413 NwaCegarLoop]: 1710 mSDtfsCounter, 1 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:02,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5109 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:34:02,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35984 states. [2023-11-29 05:34:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35984 to 35741. [2023-11-29 05:34:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35741 states, 34142 states have (on average 1.4745474781793686) internal successors, (50344), 34142 states have internal predecessors, (50344), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:34:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35741 states to 35741 states and 53538 transitions. [2023-11-29 05:34:05,335 INFO L78 Accepts]: Start accepts. Automaton has 35741 states and 53538 transitions. Word has length 1214 [2023-11-29 05:34:05,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:05,335 INFO L495 AbstractCegarLoop]: Abstraction has 35741 states and 53538 transitions. [2023-11-29 05:34:05,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 203.5) internal successors, (814), 4 states have internal predecessors, (814), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-29 05:34:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 35741 states and 53538 transitions. [2023-11-29 05:34:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1216 [2023-11-29 05:34:05,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:05,379 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:05,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-11-29 05:34:05,379 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:05,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:05,380 INFO L85 PathProgramCache]: Analyzing trace with hash 260770183, now seen corresponding path program 1 times [2023-11-29 05:34:05,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:05,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456182500] [2023-11-29 05:34:05,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:05,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:34:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:34:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:34:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:34:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:34:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 05:34:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-29 05:34:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 05:34:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-29 05:34:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2023-11-29 05:34:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-29 05:34:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2023-11-29 05:34:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-11-29 05:34:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2023-11-29 05:34:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2023-11-29 05:34:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2023-11-29 05:34:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2023-11-29 05:34:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2023-11-29 05:34:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2023-11-29 05:34:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2023-11-29 05:34:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2023-11-29 05:34:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2023-11-29 05:34:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2023-11-29 05:34:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2023-11-29 05:34:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2023-11-29 05:34:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2023-11-29 05:34:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 341 proven. 5 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:34:31,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456182500] [2023-11-29 05:34:31,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456182500] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:34:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223600280] [2023-11-29 05:34:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:31,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:31,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:31,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:34:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:34:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:32,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 7122 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:34:32,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2023-11-29 05:34:32,567 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223600280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:32,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:34:32,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2023-11-29 05:34:32,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588354726] [2023-11-29 05:34:32,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:32,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:34:32,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:32,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:34:32,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:34:32,571 INFO L87 Difference]: Start difference. First operand 35741 states and 53538 transitions. Second operand has 8 states, 7 states have (on average 120.28571428571429) internal successors, (842), 8 states have internal predecessors, (842), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 05:34:36,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:36,061 INFO L93 Difference]: Finished difference Result 50579 states and 75644 transitions. [2023-11-29 05:34:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:36,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 120.28571428571429) internal successors, (842), 8 states have internal predecessors, (842), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 1215 [2023-11-29 05:34:36,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:36,098 INFO L225 Difference]: With dead ends: 50579 [2023-11-29 05:34:36,098 INFO L226 Difference]: Without dead ends: 35741 [2023-11-29 05:34:36,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1282 GetRequests, 1262 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2023-11-29 05:34:36,112 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 1577 mSDsluCounter, 8421 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 10109 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:36,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 10109 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:34:36,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35741 states. [2023-11-29 05:34:39,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35741 to 35741. [2023-11-29 05:34:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35741 states, 34142 states have (on average 1.4692168004217678) internal successors, (50162), 34142 states have internal predecessors, (50162), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:34:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35741 states to 35741 states and 53356 transitions. [2023-11-29 05:34:39,758 INFO L78 Accepts]: Start accepts. Automaton has 35741 states and 53356 transitions. Word has length 1215 [2023-11-29 05:34:39,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:39,758 INFO L495 AbstractCegarLoop]: Abstraction has 35741 states and 53356 transitions. [2023-11-29 05:34:39,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 120.28571428571429) internal successors, (842), 8 states have internal predecessors, (842), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 05:34:39,759 INFO L276 IsEmpty]: Start isEmpty. Operand 35741 states and 53356 transitions. [2023-11-29 05:34:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1218 [2023-11-29 05:34:39,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:39,809 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:39,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:34:40,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:40,010 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:40,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:40,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1856200331, now seen corresponding path program 1 times [2023-11-29 05:34:40,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:40,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058819592] [2023-11-29 05:34:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:35:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:35:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:35:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:35:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:35:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:35:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-11-29 05:35:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 05:35:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-29 05:35:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-29 05:35:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2023-11-29 05:35:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-29 05:35:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-29 05:35:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2023-11-29 05:35:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2023-11-29 05:35:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-11-29 05:35:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-11-29 05:35:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2023-11-29 05:35:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-11-29 05:35:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2023-11-29 05:35:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2023-11-29 05:35:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2023-11-29 05:35:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2023-11-29 05:35:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2023-11-29 05:35:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2023-11-29 05:35:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1009 [2023-11-29 05:35:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 346 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:35:03,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:35:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058819592] [2023-11-29 05:35:03,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058819592] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:35:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626424195] [2023-11-29 05:35:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:03,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:03,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:03,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:35:03,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:35:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:04,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 7128 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:35:04,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2023-11-29 05:35:05,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:05,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626424195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:05,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:35:05,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:35:05,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839258281] [2023-11-29 05:35:05,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:05,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:35:05,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:35:05,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:35:05,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:35:05,103 INFO L87 Difference]: Start difference. First operand 35741 states and 53356 transitions. Second operand has 8 states, 7 states have (on average 122.28571428571429) internal successors, (856), 8 states have internal predecessors, (856), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 05:35:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:08,555 INFO L93 Difference]: Finished difference Result 46439 states and 69610 transitions. [2023-11-29 05:35:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:35:08,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 122.28571428571429) internal successors, (856), 8 states have internal predecessors, (856), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 1217 [2023-11-29 05:35:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:08,586 INFO L225 Difference]: With dead ends: 46439 [2023-11-29 05:35:08,586 INFO L226 Difference]: Without dead ends: 35741 [2023-11-29 05:35:08,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1281 GetRequests, 1264 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:35:08,596 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 1576 mSDsluCounter, 8416 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 10103 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:08,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 10103 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:35:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35741 states. [2023-11-29 05:35:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35741 to 35741. [2023-11-29 05:35:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35741 states, 34142 states have (on average 1.4638861226641673) internal successors, (49980), 34142 states have internal predecessors, (49980), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:35:11,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35741 states to 35741 states and 53174 transitions. [2023-11-29 05:35:11,830 INFO L78 Accepts]: Start accepts. Automaton has 35741 states and 53174 transitions. Word has length 1217 [2023-11-29 05:35:11,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:11,830 INFO L495 AbstractCegarLoop]: Abstraction has 35741 states and 53174 transitions. [2023-11-29 05:35:11,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 122.28571428571429) internal successors, (856), 8 states have internal predecessors, (856), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 05:35:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 35741 states and 53174 transitions. [2023-11-29 05:35:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1219 [2023-11-29 05:35:11,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:11,871 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:11,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:35:12,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:12,072 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:12,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1178288823, now seen corresponding path program 1 times [2023-11-29 05:35:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:35:12,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133424513] [2023-11-29 05:35:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:12,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:35:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:35:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:35:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:35:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:35:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:35:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:35:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:35:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:35:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:35:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 05:35:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-29 05:35:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-29 05:35:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-11-29 05:35:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 829 [2023-11-29 05:35:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2023-11-29 05:35:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2023-11-29 05:35:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2023-11-29 05:35:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2023-11-29 05:35:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2023-11-29 05:35:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2023-11-29 05:35:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2023-11-29 05:35:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2023-11-29 05:35:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2023-11-29 05:35:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2023-11-29 05:35:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2023-11-29 05:35:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1010 [2023-11-29 05:35:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2023-11-29 05:35:14,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:35:14,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133424513] [2023-11-29 05:35:14,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133424513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:14,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:14,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:35:14,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139579551] [2023-11-29 05:35:14,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:14,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:35:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:35:14,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:35:14,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:35:14,481 INFO L87 Difference]: Start difference. First operand 35741 states and 53174 transitions. Second operand has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 05:35:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:17,404 INFO L93 Difference]: Finished difference Result 44646 states and 66558 transitions. [2023-11-29 05:35:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:35:17,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 1218 [2023-11-29 05:35:17,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:17,432 INFO L225 Difference]: With dead ends: 44646 [2023-11-29 05:35:17,432 INFO L226 Difference]: Without dead ends: 36287 [2023-11-29 05:35:17,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:35:17,440 INFO L413 NwaCegarLoop]: 1708 mSDtfsCounter, 1 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5105 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:17,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5105 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:35:17,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36287 states. [2023-11-29 05:35:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36287 to 36105. [2023-11-29 05:35:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 34506 states have (on average 1.4589926389613401) internal successors, (50344), 34506 states have internal predecessors, (50344), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:35:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 53538 transitions. [2023-11-29 05:35:20,568 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 53538 transitions. Word has length 1218 [2023-11-29 05:35:20,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:20,568 INFO L495 AbstractCegarLoop]: Abstraction has 36105 states and 53538 transitions. [2023-11-29 05:35:20,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 211.0) internal successors, (844), 4 states have internal predecessors, (844), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 05:35:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 53538 transitions. [2023-11-29 05:35:20,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1220 [2023-11-29 05:35:20,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:20,665 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:20,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-11-29 05:35:20,665 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:20,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:20,665 INFO L85 PathProgramCache]: Analyzing trace with hash -652639761, now seen corresponding path program 1 times [2023-11-29 05:35:20,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:35:20,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715751002] [2023-11-29 05:35:20,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:35:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:35:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:35:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:35:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:35:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:35:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:35:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:35:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-29 05:35:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-11-29 05:35:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-29 05:35:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-29 05:35:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-11-29 05:35:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-11-29 05:35:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 830 [2023-11-29 05:35:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 845 [2023-11-29 05:35:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2023-11-29 05:35:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2023-11-29 05:35:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2023-11-29 05:35:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2023-11-29 05:35:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2023-11-29 05:35:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2023-11-29 05:35:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2023-11-29 05:35:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2023-11-29 05:35:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2023-11-29 05:35:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2023-11-29 05:35:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1011 [2023-11-29 05:35:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:46,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 347 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:35:46,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:35:46,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715751002] [2023-11-29 05:35:46,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715751002] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:35:46,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167540488] [2023-11-29 05:35:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:46,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:46,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:46,518 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:35:46,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:35:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:47,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 7134 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:35:47,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 704 proven. 0 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2023-11-29 05:35:48,114 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:48,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167540488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:48,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:35:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:35:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310306339] [2023-11-29 05:35:48,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:48,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:35:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:35:48,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:35:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:35:48,118 INFO L87 Difference]: Start difference. First operand 36105 states and 53538 transitions. Second operand has 8 states, 7 states have (on average 124.14285714285714) internal successors, (869), 8 states have internal predecessors, (869), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:35:51,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:51,975 INFO L93 Difference]: Finished difference Result 43837 states and 64934 transitions. [2023-11-29 05:35:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:35:51,976 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 124.14285714285714) internal successors, (869), 8 states have internal predecessors, (869), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 1219 [2023-11-29 05:35:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:52,005 INFO L225 Difference]: With dead ends: 43837 [2023-11-29 05:35:52,005 INFO L226 Difference]: Without dead ends: 36105 [2023-11-29 05:35:52,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1266 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:35:52,016 INFO L413 NwaCegarLoop]: 1686 mSDtfsCounter, 1575 mSDsluCounter, 8411 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 10097 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:52,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 10097 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:35:52,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36105 states. [2023-11-29 05:35:55,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36105 to 36105. [2023-11-29 05:35:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 34506 states have (on average 1.4537181939372863) internal successors, (50162), 34506 states have internal predecessors, (50162), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:35:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 53356 transitions. [2023-11-29 05:35:55,277 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 53356 transitions. Word has length 1219 [2023-11-29 05:35:55,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:55,277 INFO L495 AbstractCegarLoop]: Abstraction has 36105 states and 53356 transitions. [2023-11-29 05:35:55,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 124.14285714285714) internal successors, (869), 8 states have internal predecessors, (869), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:35:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 53356 transitions. [2023-11-29 05:35:55,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2023-11-29 05:35:55,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:55,320 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:55,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:35:55,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2023-11-29 05:35:55,521 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:55,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:55,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1730546827, now seen corresponding path program 1 times [2023-11-29 05:35:55,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:35:55,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936880412] [2023-11-29 05:35:55,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:55,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:36:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:36:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:36:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:36:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:36:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:36:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:36:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:36:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 05:36:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:36:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-29 05:36:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:36:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:36:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-29 05:36:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2023-11-29 05:36:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-11-29 05:36:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-11-29 05:36:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-11-29 05:36:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-11-29 05:36:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-11-29 05:36:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2023-11-29 05:36:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-11-29 05:36:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-11-29 05:36:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2023-11-29 05:36:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2023-11-29 05:36:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2023-11-29 05:36:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2023-11-29 05:36:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 348 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:36:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:36:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936880412] [2023-11-29 05:36:18,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936880412] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:36:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870108324] [2023-11-29 05:36:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:36:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:36:18,332 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:36:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:36:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:19,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 7140 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:36:19,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 791 proven. 0 refuted. 0 times theorem prover too weak. 858 trivial. 0 not checked. [2023-11-29 05:36:20,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:36:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870108324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:36:20,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:36:20,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:36:20,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272572960] [2023-11-29 05:36:20,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:36:20,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:36:20,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:36:20,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:36:20,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:36:20,011 INFO L87 Difference]: Start difference. First operand 36105 states and 53356 transitions. Second operand has 8 states, 7 states have (on average 126.28571428571429) internal successors, (884), 8 states have internal predecessors, (884), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-29 05:36:23,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:23,442 INFO L93 Difference]: Finished difference Result 40357 states and 59950 transitions. [2023-11-29 05:36:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:36:23,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 126.28571428571429) internal successors, (884), 8 states have internal predecessors, (884), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 1221 [2023-11-29 05:36:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:23,471 INFO L225 Difference]: With dead ends: 40357 [2023-11-29 05:36:23,471 INFO L226 Difference]: Without dead ends: 36105 [2023-11-29 05:36:23,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1285 GetRequests, 1268 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:36:23,477 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 1574 mSDsluCounter, 8406 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 10091 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:23,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 10091 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:36:23,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36105 states. [2023-11-29 05:36:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36105 to 35981. [2023-11-29 05:36:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35981 states, 34382 states have (on average 1.4535512768308998) internal successors, (49976), 34382 states have internal predecessors, (49976), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:36:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35981 states to 35981 states and 53170 transitions. [2023-11-29 05:36:26,609 INFO L78 Accepts]: Start accepts. Automaton has 35981 states and 53170 transitions. Word has length 1221 [2023-11-29 05:36:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:26,610 INFO L495 AbstractCegarLoop]: Abstraction has 35981 states and 53170 transitions. [2023-11-29 05:36:26,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 126.28571428571429) internal successors, (884), 8 states have internal predecessors, (884), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-29 05:36:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 35981 states and 53170 transitions. [2023-11-29 05:36:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2023-11-29 05:36:26,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:26,652 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:36:26,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 05:36:26,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:36:26,853 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:36:26,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:26,853 INFO L85 PathProgramCache]: Analyzing trace with hash 422605651, now seen corresponding path program 1 times [2023-11-29 05:36:26,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:36:26,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100720721] [2023-11-29 05:36:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:36:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:36:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:36:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:36:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:36:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:36:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:36:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:36:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 05:36:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:36:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-29 05:36:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:36:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2023-11-29 05:36:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-29 05:36:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 831 [2023-11-29 05:36:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2023-11-29 05:36:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2023-11-29 05:36:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 876 [2023-11-29 05:36:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2023-11-29 05:36:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2023-11-29 05:36:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2023-11-29 05:36:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2023-11-29 05:36:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2023-11-29 05:36:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2023-11-29 05:36:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2023-11-29 05:36:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2023-11-29 05:36:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2023-11-29 05:36:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 348 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:36:52,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:36:52,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100720721] [2023-11-29 05:36:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100720721] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:36:52,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807070752] [2023-11-29 05:36:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:52,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:36:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:36:52,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:36:52,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:36:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:54,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 7138 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:36:54,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 846 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2023-11-29 05:36:54,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:36:54,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807070752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:36:54,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:36:54,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:36:54,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586604600] [2023-11-29 05:36:54,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:36:54,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:36:54,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:36:54,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:36:54,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:36:54,279 INFO L87 Difference]: Start difference. First operand 35981 states and 53170 transitions. Second operand has 8 states, 7 states have (on average 128.14285714285714) internal successors, (897), 8 states have internal predecessors, (897), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 05:36:57,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:57,512 INFO L93 Difference]: Finished difference Result 39607 states and 58875 transitions. [2023-11-29 05:36:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:36:57,512 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 128.14285714285714) internal successors, (897), 8 states have internal predecessors, (897), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 1221 [2023-11-29 05:36:57,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:57,540 INFO L225 Difference]: With dead ends: 39607 [2023-11-29 05:36:57,540 INFO L226 Difference]: Without dead ends: 35981 [2023-11-29 05:36:57,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1285 GetRequests, 1268 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:36:57,546 INFO L413 NwaCegarLoop]: 1684 mSDtfsCounter, 1573 mSDsluCounter, 8401 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 10085 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:57,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 10085 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:36:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35981 states. [2023-11-29 05:37:00,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35981 to 35981. [2023-11-29 05:37:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35981 states, 34382 states have (on average 1.4532313419812692) internal successors, (49965), 34382 states have internal predecessors, (49965), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:37:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35981 states to 35981 states and 53159 transitions. [2023-11-29 05:37:00,663 INFO L78 Accepts]: Start accepts. Automaton has 35981 states and 53159 transitions. Word has length 1221 [2023-11-29 05:37:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:00,663 INFO L495 AbstractCegarLoop]: Abstraction has 35981 states and 53159 transitions. [2023-11-29 05:37:00,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 128.14285714285714) internal successors, (897), 8 states have internal predecessors, (897), 3 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-29 05:37:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 35981 states and 53159 transitions. [2023-11-29 05:37:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1224 [2023-11-29 05:37:00,705 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:00,705 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:37:00,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:37:00,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2023-11-29 05:37:00,906 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:37:00,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1149070065, now seen corresponding path program 1 times [2023-11-29 05:37:00,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:37:00,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062194580] [2023-11-29 05:37:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:00,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:37:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:37:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:37:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:37:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:37:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:37:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:37:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:37:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 05:37:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:37:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-29 05:37:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:37:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-29 05:37:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-11-29 05:37:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2023-11-29 05:37:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2023-11-29 05:37:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2023-11-29 05:37:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2023-11-29 05:37:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2023-11-29 05:37:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2023-11-29 05:37:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2023-11-29 05:37:26,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2023-11-29 05:37:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2023-11-29 05:37:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2023-11-29 05:37:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2023-11-29 05:37:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2023-11-29 05:37:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2023-11-29 05:37:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 347 proven. 3 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:37:26,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:37:26,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062194580] [2023-11-29 05:37:26,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062194580] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:37:26,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361677046] [2023-11-29 05:37:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:26,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:37:26,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:37:26,090 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:37:26,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 05:37:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:37:27,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 7144 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:37:27,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 862 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-29 05:37:27,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:37:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361677046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:37:27,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:37:27,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:37:27,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012455375] [2023-11-29 05:37:27,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:37:27,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:37:27,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:37:27,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:37:27,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:37:27,639 INFO L87 Difference]: Start difference. First operand 35981 states and 53159 transitions. Second operand has 8 states, 7 states have (on average 129.28571428571428) internal successors, (905), 8 states have internal predecessors, (905), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:37:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:37:30,828 INFO L93 Difference]: Finished difference Result 39527 states and 58743 transitions. [2023-11-29 05:37:30,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:37:30,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 129.28571428571428) internal successors, (905), 8 states have internal predecessors, (905), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 1223 [2023-11-29 05:37:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:37:30,857 INFO L225 Difference]: With dead ends: 39527 [2023-11-29 05:37:30,857 INFO L226 Difference]: Without dead ends: 35981 [2023-11-29 05:37:30,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1287 GetRequests, 1270 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2023-11-29 05:37:30,864 INFO L413 NwaCegarLoop]: 1683 mSDtfsCounter, 1572 mSDsluCounter, 8396 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 10079 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:37:30,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 10079 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:37:30,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35981 states. [2023-11-29 05:37:34,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35981 to 35981. [2023-11-29 05:37:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35981 states, 34382 states have (on average 1.4530568320632888) internal successors, (49959), 34382 states have internal predecessors, (49959), 1597 states have call successors, (1597), 1 states have call predecessors, (1597), 1 states have return successors, (1597), 1597 states have call predecessors, (1597), 1597 states have call successors, (1597) [2023-11-29 05:37:34,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35981 states to 35981 states and 53153 transitions. [2023-11-29 05:37:34,444 INFO L78 Accepts]: Start accepts. Automaton has 35981 states and 53153 transitions. Word has length 1223 [2023-11-29 05:37:34,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:37:34,444 INFO L495 AbstractCegarLoop]: Abstraction has 35981 states and 53153 transitions. [2023-11-29 05:37:34,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 129.28571428571428) internal successors, (905), 8 states have internal predecessors, (905), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 05:37:34,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35981 states and 53153 transitions. [2023-11-29 05:37:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2023-11-29 05:37:34,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:37:34,485 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:37:34,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:37:34,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2023-11-29 05:37:34,686 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:37:34,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:37:34,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1402917079, now seen corresponding path program 1 times [2023-11-29 05:37:34,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:37:34,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857441627] [2023-11-29 05:37:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:37:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:37:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-29 05:38:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 05:38:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 05:38:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 05:38:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 05:38:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-29 05:38:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 05:38:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 05:38:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 05:38:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-29 05:38:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2023-11-29 05:38:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2023-11-29 05:38:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-29 05:38:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2023-11-29 05:38:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2023-11-29 05:38:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 863 [2023-11-29 05:38:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 878 [2023-11-29 05:38:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2023-11-29 05:38:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2023-11-29 05:38:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2023-11-29 05:38:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2023-11-29 05:38:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2023-11-29 05:38:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2023-11-29 05:38:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2023-11-29 05:38:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2023-11-29 05:38:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2023-11-29 05:38:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 350 proven. 1 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-29 05:38:02,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:38:02,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857441627] [2023-11-29 05:38:02,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857441627] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:38:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580002132] [2023-11-29 05:38:02,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:38:02,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:38:02,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:38:02,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:38:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfacb58e-d637-4684-a075-51a5ba7166a1/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 05:38:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:38:04,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 7150 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-29 05:38:04,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:38:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2023-11-29 05:38:04,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:38:04,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580002132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:38:04,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:38:04,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-11-29 05:38:04,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249627380] [2023-11-29 05:38:04,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:38:04,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:38:04,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:38:04,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:38:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:38:04,532 INFO L87 Difference]: Start difference. First operand 35981 states and 53153 transitions. Second operand has 8 states, 8 states have (on average 101.625) internal successors, (813), 8 states have internal predecessors, (813), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)