./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:42:29,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:42:29,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 05:42:29,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:42:29,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:42:29,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:42:29,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:42:29,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:42:29,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:42:29,178 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:42:29,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:42:29,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:42:29,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:42:29,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:42:29,181 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:42:29,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:42:29,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:42:29,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:42:29,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:42:29,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:42:29,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:42:29,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:42:29,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:42:29,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:42:29,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:42:29,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:42:29,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:42:29,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:42:29,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:42:29,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:42:29,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:42:29,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:42:29,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:42:29,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:42:29,190 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:42:29,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:42:29,190 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:42:29,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:42:29,191 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:42:29,191 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 [2023-11-29 05:42:29,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:42:29,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:42:29,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:42:29,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:42:29,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:42:29,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:32,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:42:32,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:42:32,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:32,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/f60b12a85/6fe111651e1a4f40a918c2ec27b8df78/FLAG0f5996332 [2023-11-29 05:42:32,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/f60b12a85/6fe111651e1a4f40a918c2ec27b8df78 [2023-11-29 05:42:32,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:42:32,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:42:32,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:32,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:42:32,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:42:32,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:32,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310d5cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32, skipping insertion in model container [2023-11-29 05:42:32,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:32,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:42:32,739 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-29 05:42:32,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:32,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:42:32,871 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-29 05:42:32,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:32,947 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:42:32,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32 WrapperNode [2023-11-29 05:42:32,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:32,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:32,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:42:32,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:42:32,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:32,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,071 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2023-11-29 05:42:33,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:33,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:42:33,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:42:33,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:42:33,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,132 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 05:42:33,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:42:33,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:42:33,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:42:33,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:42:33,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (1/1) ... [2023-11-29 05:42:33,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:42:33,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:42:33,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:42:33,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:42:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:42:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:42:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:42:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:42:33,390 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:42:33,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:42:34,038 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:42:34,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:42:34,077 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:42:34,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:34 BoogieIcfgContainer [2023-11-29 05:42:34,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:42:34,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:42:34,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:42:34,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:42:34,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:42:32" (1/3) ... [2023-11-29 05:42:34,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7796c29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:42:34, skipping insertion in model container [2023-11-29 05:42:34,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:32" (2/3) ... [2023-11-29 05:42:34,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7796c29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:42:34, skipping insertion in model container [2023-11-29 05:42:34,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:34" (3/3) ... [2023-11-29 05:42:34,086 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:34,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:42:34,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:42:34,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:42:34,155 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;@4208d201, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:42:34,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:42:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 102 states have (on average 1.6666666666666667) internal successors, (170), 103 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 05:42:34,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:34,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:34,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:34,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:34,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1808774751, now seen corresponding path program 1 times [2023-11-29 05:42:34,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:34,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956144390] [2023-11-29 05:42:34,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:34,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:34,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:34,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956144390] [2023-11-29 05:42:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956144390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:34,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:34,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:42:34,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765423537] [2023-11-29 05:42:34,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:34,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:42:34,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:34,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:42:34,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:42:34,801 INFO L87 Difference]: Start difference. First operand has 104 states, 102 states have (on average 1.6666666666666667) internal successors, (170), 103 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:35,322 INFO L93 Difference]: Finished difference Result 234 states and 386 transitions. [2023-11-29 05:42:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:42:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-11-29 05:42:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:35,337 INFO L225 Difference]: With dead ends: 234 [2023-11-29 05:42:35,338 INFO L226 Difference]: Without dead ends: 167 [2023-11-29 05:42:35,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:42:35,344 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 347 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:35,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 138 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 05:42:35,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-29 05:42:35,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 108. [2023-11-29 05:42:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.6261682242990654) internal successors, (174), 107 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 174 transitions. [2023-11-29 05:42:35,391 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 174 transitions. Word has length 38 [2023-11-29 05:42:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:35,391 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 174 transitions. [2023-11-29 05:42:35,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,392 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-29 05:42:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 05:42:35,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:35,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:35,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:42:35,394 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:35,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1423318483, now seen corresponding path program 1 times [2023-11-29 05:42:35,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:35,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401003972] [2023-11-29 05:42:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:35,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:35,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401003972] [2023-11-29 05:42:35,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401003972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:35,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:35,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:42:35,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522421345] [2023-11-29 05:42:35,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:35,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:42:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:42:35,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:42:35,860 INFO L87 Difference]: Start difference. First operand 108 states and 174 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:35,916 INFO L93 Difference]: Finished difference Result 174 states and 280 transitions. [2023-11-29 05:42:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:42:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2023-11-29 05:42:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:35,919 INFO L225 Difference]: With dead ends: 174 [2023-11-29 05:42:35,919 INFO L226 Difference]: Without dead ends: 109 [2023-11-29 05:42:35,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 05:42:35,921 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 204 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:35,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 301 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:42:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-29 05:42:35,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2023-11-29 05:42:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.6168224299065421) internal successors, (173), 107 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 173 transitions. [2023-11-29 05:42:35,936 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 173 transitions. Word has length 39 [2023-11-29 05:42:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:35,936 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 173 transitions. [2023-11-29 05:42:35,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-29 05:42:35,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 05:42:35,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:35,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:42:35,939 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:35,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 548736825, now seen corresponding path program 1 times [2023-11-29 05:42:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:35,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762457442] [2023-11-29 05:42:35,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:35,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:36,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762457442] [2023-11-29 05:42:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762457442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:42:36,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834641381] [2023-11-29 05:42:36,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:36,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:42:36,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:36,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:42:36,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:42:36,153 INFO L87 Difference]: Start difference. First operand 108 states and 173 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:36,177 INFO L93 Difference]: Finished difference Result 112 states and 177 transitions. [2023-11-29 05:42:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:42:36,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2023-11-29 05:42:36,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:36,180 INFO L225 Difference]: With dead ends: 112 [2023-11-29 05:42:36,181 INFO L226 Difference]: Without dead ends: 110 [2023-11-29 05:42:36,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 05:42:36,182 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 481 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 05:42:36,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 481 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:42:36,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-29 05:42:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-29 05:42:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.6055045871559632) internal successors, (175), 109 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2023-11-29 05:42:36,194 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 175 transitions. Word has length 40 [2023-11-29 05:42:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:36,195 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 175 transitions. [2023-11-29 05:42:36,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2023-11-29 05:42:36,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 05:42:36,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:36,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:36,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:42:36,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:36,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash -167302457, now seen corresponding path program 1 times [2023-11-29 05:42:36,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:36,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528790877] [2023-11-29 05:42:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:36,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:36,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:36,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528790877] [2023-11-29 05:42:36,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528790877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:36,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:36,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:42:36,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896728418] [2023-11-29 05:42:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:36,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:42:36,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:36,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:42:36,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:42:36,318 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:36,346 INFO L93 Difference]: Finished difference Result 180 states and 285 transitions. [2023-11-29 05:42:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:42:36,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2023-11-29 05:42:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:36,348 INFO L225 Difference]: With dead ends: 180 [2023-11-29 05:42:36,348 INFO L226 Difference]: Without dead ends: 113 [2023-11-29 05:42:36,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 05:42:36,351 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 479 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 05:42:36,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 479 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:42:36,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-29 05:42:36,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2023-11-29 05:42:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.5945945945945945) internal successors, (177), 111 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 177 transitions. [2023-11-29 05:42:36,362 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 177 transitions. Word has length 41 [2023-11-29 05:42:36,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:36,362 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 177 transitions. [2023-11-29 05:42:36,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 177 transitions. [2023-11-29 05:42:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 05:42:36,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:36,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:36,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:42:36,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:36,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:36,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1101841133, now seen corresponding path program 1 times [2023-11-29 05:42:36,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:36,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319512260] [2023-11-29 05:42:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:36,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:36,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:36,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319512260] [2023-11-29 05:42:36,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319512260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:36,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:36,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:42:36,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264416704] [2023-11-29 05:42:36,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:36,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:42:36,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:36,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:42:36,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:42:36,817 INFO L87 Difference]: Start difference. First operand 112 states and 177 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:37,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:37,146 INFO L93 Difference]: Finished difference Result 331 states and 517 transitions. [2023-11-29 05:42:37,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 05:42:37,147 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-29 05:42:37,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:37,150 INFO L225 Difference]: With dead ends: 331 [2023-11-29 05:42:37,150 INFO L226 Difference]: Without dead ends: 262 [2023-11-29 05:42:37,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:42:37,153 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 827 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:37,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 969 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:42:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-29 05:42:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 123. [2023-11-29 05:42:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.5655737704918034) internal successors, (191), 122 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 191 transitions. [2023-11-29 05:42:37,168 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 191 transitions. Word has length 42 [2023-11-29 05:42:37,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:37,168 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 191 transitions. [2023-11-29 05:42:37,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 191 transitions. [2023-11-29 05:42:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 05:42:37,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:37,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:37,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:42:37,171 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:37,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:37,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1494868143, now seen corresponding path program 1 times [2023-11-29 05:42:37,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:37,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969064158] [2023-11-29 05:42:37,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:37,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:37,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:42:37,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969064158] [2023-11-29 05:42:37,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969064158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:37,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:37,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:42:37,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578094776] [2023-11-29 05:42:37,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:37,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:42:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:42:37,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:42:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:42:37,820 INFO L87 Difference]: Start difference. First operand 123 states and 191 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:38,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:38,266 INFO L93 Difference]: Finished difference Result 278 states and 430 transitions. [2023-11-29 05:42:38,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 05:42:38,267 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-11-29 05:42:38,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:38,269 INFO L225 Difference]: With dead ends: 278 [2023-11-29 05:42:38,269 INFO L226 Difference]: Without dead ends: 201 [2023-11-29 05:42:38,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:42:38,272 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 558 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:38,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 886 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:42:38,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-11-29 05:42:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 126. [2023-11-29 05:42:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.56) internal successors, (195), 125 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2023-11-29 05:42:38,284 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 42 [2023-11-29 05:42:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:38,285 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2023-11-29 05:42:38,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2023-11-29 05:42:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 05:42:38,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:38,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:38,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:42:38,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:38,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:38,289 INFO L85 PathProgramCache]: Analyzing trace with hash 280139219, now seen corresponding path program 1 times [2023-11-29 05:42:38,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:42:38,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506789819] [2023-11-29 05:42:38,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:38,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:42:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:38,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:42:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:42:38,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:42:38,397 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:42:38,398 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:42:38,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:42:38,402 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:42:38,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:42:38,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:42:38,448 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 05:42:38,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 05:42:38,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 05:42:38,450 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 05:42:38,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 05:42:38,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-29 05:42:38,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 05:42:38,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated [2023-11-29 05:42:38,453 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated [2023-11-29 05:42:38,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated [2023-11-29 05:42:38,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated [2023-11-29 05:42:38,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated [2023-11-29 05:42:38,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated [2023-11-29 05:42:38,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-29 05:42:38,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated [2023-11-29 05:42:38,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated [2023-11-29 05:42:38,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated [2023-11-29 05:42:38,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated [2023-11-29 05:42:38,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated [2023-11-29 05:42:38,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-29 05:42:38,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated [2023-11-29 05:42:38,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated [2023-11-29 05:42:38,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated [2023-11-29 05:42:38,465 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated [2023-11-29 05:42:38,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated [2023-11-29 05:42:38,470 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated [2023-11-29 05:42:38,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated [2023-11-29 05:42:38,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated [2023-11-29 05:42:38,475 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-29 05:42:38,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:42:38 BoogieIcfgContainer [2023-11-29 05:42:38,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:42:38,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:42:38,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:42:38,496 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:42:38,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:34" (3/4) ... [2023-11-29 05:42:38,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:42:38,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:42:38,500 INFO L158 Benchmark]: Toolchain (without parser) took 5970.34ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 101.6MB in the beginning and 65.6MB in the end (delta: 36.1MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,500 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:42:38,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 80.6MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.04ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 115.2MB in the end (delta: -34.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,501 INFO L158 Benchmark]: Boogie Preprocessor took 123.02ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 106.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,502 INFO L158 Benchmark]: RCFGBuilder took 881.83ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 92.2MB in the end (delta: 14.3MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,502 INFO L158 Benchmark]: TraceAbstraction took 4414.90ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 91.5MB in the beginning and 65.6MB in the end (delta: 25.9MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:38,503 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 207.6MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:42:38,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 80.6MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.04ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 115.2MB in the end (delta: -34.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.02ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 106.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 881.83ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 92.2MB in the end (delta: 14.3MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4414.90ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 91.5MB in the beginning and 65.6MB in the end (delta: 25.9MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 207.6MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet60 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of bitwiseAnd at line 167. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L35] const SORT_18 mask_SORT_18 = (SORT_18)-1 >> (sizeof(SORT_18) * 8 - 4); [L36] const SORT_18 msb_SORT_18 = (SORT_18)1 << (4 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 10); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (10 - 1); [L41] const SORT_1 var_7 = 0; [L42] const SORT_10 var_12 = 1; [L43] const SORT_1 var_15 = 1; [L44] const SORT_18 var_20 = 1; [L45] const SORT_71 var_72 = 0; [L46] const SORT_10 var_81 = 104; [L48] SORT_1 input_2; [L49] SORT_3 input_4; [L50] SORT_1 input_5; [L51] SORT_1 input_6; [L52] SORT_1 input_32; [L53] SORT_18 input_34; [L54] SORT_1 input_36; [L55] SORT_18 input_38; [L56] SORT_1 input_40; [L57] SORT_1 input_42; [L58] SORT_1 input_48; [L59] SORT_1 input_50; [L60] SORT_1 input_52; [L61] SORT_3 input_54; [L62] SORT_1 input_57; [L63] SORT_1 input_67; [L64] SORT_1 input_75; [L65] SORT_1 input_76; [L66] SORT_1 input_77; [L67] SORT_1 input_89; [L68] SORT_1 input_90; [L69] SORT_1 input_91; [L70] SORT_1 input_102; [L71] SORT_1 input_108; [L72] SORT_1 input_114; [L73] SORT_1 input_125; [L74] SORT_1 input_127; [L75] SORT_71 input_142; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L77] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L78] SORT_1 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L79] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L80] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L81] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L82] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L83] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L84] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L85] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L86] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L87] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_ushort() & mask_SORT_71 VAL [mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=0, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L88] SORT_71 state_73 = __VERIFIER_nondet_ushort() & mask_SORT_71; [L90] SORT_1 init_9_arg_1 = var_7; [L91] state_8 = init_9_arg_1 [L92] SORT_1 init_17_arg_1 = var_15; [L93] state_16 = init_17_arg_1 [L94] SORT_1 init_29_arg_1 = var_7; [L95] state_28 = init_29_arg_1 [L96] SORT_1 init_31_arg_1 = var_7; [L97] state_30 = init_31_arg_1 [L98] SORT_1 init_45_arg_1 = var_7; [L99] state_44 = init_45_arg_1 [L100] SORT_1 init_47_arg_1 = var_7; [L101] state_46 = init_47_arg_1 [L102] SORT_1 init_60_arg_1 = var_7; [L103] state_59 = init_60_arg_1 [L104] SORT_1 init_62_arg_1 = var_7; [L105] state_61 = init_62_arg_1 [L106] SORT_1 init_64_arg_1 = var_7; [L107] state_63 = init_64_arg_1 [L108] SORT_1 init_66_arg_1 = var_7; [L109] state_65 = init_66_arg_1 [L110] SORT_1 init_70_arg_1 = var_7; [L111] state_69 = init_70_arg_1 [L112] SORT_71 init_74_arg_1 = var_72; [L113] state_73 = init_74_arg_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L116] input_2 = __VERIFIER_nondet_uchar() [L117] input_4 = __VERIFIER_nondet_uchar() [L118] input_5 = __VERIFIER_nondet_uchar() [L119] input_6 = __VERIFIER_nondet_uchar() [L120] input_32 = __VERIFIER_nondet_uchar() [L121] input_34 = __VERIFIER_nondet_uchar() [L122] input_36 = __VERIFIER_nondet_uchar() [L123] input_38 = __VERIFIER_nondet_uchar() [L124] input_40 = __VERIFIER_nondet_uchar() [L125] input_42 = __VERIFIER_nondet_uchar() [L126] input_48 = __VERIFIER_nondet_uchar() [L127] input_50 = __VERIFIER_nondet_uchar() [L128] input_52 = __VERIFIER_nondet_uchar() [L129] input_54 = __VERIFIER_nondet_uchar() [L130] input_57 = __VERIFIER_nondet_uchar() [L131] input_67 = __VERIFIER_nondet_uchar() [L132] input_75 = __VERIFIER_nondet_uchar() [L133] input_76 = __VERIFIER_nondet_uchar() [L134] input_77 = __VERIFIER_nondet_uchar() [L135] input_89 = __VERIFIER_nondet_uchar() [L136] input_90 = __VERIFIER_nondet_uchar() [L137] input_91 = __VERIFIER_nondet_uchar() [L138] input_102 = __VERIFIER_nondet_uchar() [L139] input_108 = __VERIFIER_nondet_uchar() [L140] input_114 = __VERIFIER_nondet_uchar() [L141] input_125 = __VERIFIER_nondet_uchar() [L142] input_127 = __VERIFIER_nondet_uchar() [L143] input_142 = __VERIFIER_nondet_ushort() [L146] SORT_1 var_11_arg_0 = state_8; VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11_arg_0=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L147] EXPR var_11_arg_0 & mask_SORT_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11_arg_0=0, var_12=1, var_15=1, var_20=1, var_72=0, var_7=0, var_81=104] [L147] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L148] SORT_10 var_11 = var_11_arg_0; [L149] SORT_10 var_13_arg_0 = var_11; [L150] SORT_10 var_13_arg_1 = var_12; [L151] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L152] SORT_1 var_14_arg_0 = var_13; [L153] SORT_1 var_14 = ~var_14_arg_0; [L154] SORT_1 var_19_arg_0 = state_16; VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19_arg_0=1, var_20=1, var_72=0, var_7=0, var_81=104] [L155] EXPR var_19_arg_0 & mask_SORT_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19_arg_0=1, var_20=1, var_72=0, var_7=0, var_81=104] [L155] var_19_arg_0 = var_19_arg_0 & mask_SORT_1 [L156] SORT_18 var_19 = var_19_arg_0; [L157] SORT_18 var_21_arg_0 = var_19; [L158] SORT_18 var_21_arg_1 = var_20; [L159] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L160] SORT_1 var_22_arg_0 = var_14; [L161] SORT_1 var_22_arg_1 = var_21; VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19=1, var_19_arg_0=1, var_20=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22_arg_0=255, var_22_arg_1=1, var_72=0, var_7=0, var_81=104] [L162] EXPR var_22_arg_0 | var_22_arg_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19=1, var_19_arg_0=1, var_20=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22_arg_0=255, var_22_arg_1=1, var_72=0, var_7=0, var_81=104] [L162] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L163] SORT_1 var_25_arg_0 = var_22; [L164] SORT_1 var_25 = ~var_25_arg_0; [L165] SORT_1 var_26_arg_0 = var_15; [L166] SORT_1 var_26_arg_1 = var_25; VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19=1, var_19_arg_0=1, var_20=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=0, var_22_arg_0=255, var_22_arg_1=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_72=0, var_7=0, var_81=104] [L167] EXPR var_26_arg_0 & var_26_arg_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19=1, var_19_arg_0=1, var_20=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=0, var_22_arg_0=255, var_22_arg_1=1, var_25=255, var_25_arg_0=0, var_26_arg_0=1, var_26_arg_1=255, var_72=0, var_7=0, var_81=104] [L167] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L168] EXPR var_26 & mask_SORT_1 VAL [init_17_arg_1=1, init_29_arg_1=0, init_31_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_70_arg_1=0, init_74_arg_1=0, init_9_arg_1=0, mask_SORT_10=4294967295, mask_SORT_18=15, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_71=1023, msb_SORT_10=2147483648, msb_SORT_18=8, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_71=512, state_16=1, state_28=0, state_30=0, state_44=0, state_46=0, state_59=0, state_61=0, state_63=0, state_65=0, state_69=0, state_73=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=255, var_14_arg_0=0, var_15=1, var_19=1, var_19_arg_0=1, var_20=1, var_21=1, var_21_arg_0=1, var_21_arg_1=1, var_22=0, var_22_arg_0=255, var_22_arg_1=1, var_25=255, var_25_arg_0=0, var_26=1, var_26_arg_0=1, var_26_arg_1=255, var_72=0, var_7=0, var_81=104] [L168] var_26 = var_26 & mask_SORT_1 [L169] SORT_1 bad_27_arg_0 = var_26; [L170] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1938 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1938 mSDsluCounter, 3254 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2402 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 630 IncrementalHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 852 mSDtfsCounter, 630 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=6, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 275 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:42:38,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:42:40,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:42:40,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-29 05:42:40,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:42:40,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:42:40,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:42:40,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:42:40,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:42:40,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:42:40,645 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:42:40,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:42:40,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:42:40,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:42:40,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:42:40,648 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:42:40,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:42:40,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:42:40,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:42:40,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:42:40,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:42:40,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:42:40,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:42:40,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:42:40,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:42:40,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:42:40,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:42:40,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:42:40,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:42:40,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:42:40,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:42:40,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:42:40,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:42:40,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:42:40,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:42:40,660 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:42:40,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:42:40,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:42:40,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:42:40,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:42:40,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:42:40,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:42:40,662 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:42:40,662 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0a862dd3f95e8b2502b6a1be20dfc20f0039208cf14059ff6db118b9fb41b2 [2023-11-29 05:42:41,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:42:41,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:42:41,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:42:41,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:42:41,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:42:41,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:44,013 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:42:44,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:42:44,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:44,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/283b83991/80c9023606f7439bbb8c0e3ac3643b75/FLAGdf4ae4ab0 [2023-11-29 05:42:44,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/data/283b83991/80c9023606f7439bbb8c0e3ac3643b75 [2023-11-29 05:42:44,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:42:44,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:42:44,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:44,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:42:44,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:42:44,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73391973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44, skipping insertion in model container [2023-11-29 05:42:44,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:42:44,562 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-29 05:42:44,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:44,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:42:44,721 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_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c[1266,1279] [2023-11-29 05:42:44,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:42:44,817 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:42:44,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44 WrapperNode [2023-11-29 05:42:44,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:42:44,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:44,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:42:44,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:42:44,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,895 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 452 [2023-11-29 05:42:44,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:42:44,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:42:44,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:42:44,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:42:44,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,960 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 05:42:44,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:44,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:42:44,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:42:44,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:42:44,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:42:44,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (1/1) ... [2023-11-29 05:42:45,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:42:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:42:45,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:42:45,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:42:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:42:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:42:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:42:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:42:45,255 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:42:45,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:42:45,653 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:42:45,712 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:42:45,712 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:42:45,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:45 BoogieIcfgContainer [2023-11-29 05:42:45,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:42:45,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:42:45,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:42:45,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:42:45,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:42:44" (1/3) ... [2023-11-29 05:42:45,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:42:45, skipping insertion in model container [2023-11-29 05:42:45,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:42:44" (2/3) ... [2023-11-29 05:42:45,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:42:45, skipping insertion in model container [2023-11-29 05:42:45,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:45" (3/3) ... [2023-11-29 05:42:45,724 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p15.c [2023-11-29 05:42:45,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:42:45,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:42:45,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:42:45,828 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;@7120b7f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:42:45,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:42:45,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:42:45,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:45,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:42:45,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:45,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-29 05:42:45,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:42:45,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363810836] [2023-11-29 05:42:45,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:45,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:45,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:42:45,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:42:45,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 05:42:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:46,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 05:42:46,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:42:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:46,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:42:46,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:42:46,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363810836] [2023-11-29 05:42:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363810836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:42:46,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:42:46,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:42:46,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626980865] [2023-11-29 05:42:46,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:42:46,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:42:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:42:46,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:42:46,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:42:46,421 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:46,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:46,529 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-11-29 05:42:46,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:42:46,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 05:42:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:46,541 INFO L225 Difference]: With dead ends: 16 [2023-11-29 05:42:46,541 INFO L226 Difference]: Without dead ends: 9 [2023-11-29 05:42:46,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 05:42:46,549 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:46,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:42:46,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-11-29 05:42:46,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-11-29 05:42:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-11-29 05:42:46,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-11-29 05:42:46,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:46,602 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-11-29 05:42:46,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-11-29 05:42:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 05:42:46,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:46,604 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-29 05:42:46,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:42:46,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:46,805 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:46,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:46,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-11-29 05:42:46,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:42:46,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38938200] [2023-11-29 05:42:46,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:42:46,808 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:46,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:42:46,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:42:46,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 05:42:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:42:47,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 05:42:47,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:42:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:47,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:42:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:47,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:42:47,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38938200] [2023-11-29 05:42:47,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38938200] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:42:47,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:42:47,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 05:42:47,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824501837] [2023-11-29 05:42:47,867 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:42:47,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:42:47,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:42:47,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:42:47,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:42:47,870 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:48,019 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 05:42:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:42:48,020 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 05:42:48,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:48,020 INFO L225 Difference]: With dead ends: 14 [2023-11-29 05:42:48,021 INFO L226 Difference]: Without dead ends: 12 [2023-11-29 05:42:48,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:42:48,023 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:48,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 9 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:42:48,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-11-29 05:42:48,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-29 05:42:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-29 05:42:48,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-11-29 05:42:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:48,029 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-11-29 05:42:48,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-29 05:42:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:42:48,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:48,031 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-11-29 05:42:48,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 05:42:48,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:48,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:48,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-11-29 05:42:48,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:42:48,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117121226] [2023-11-29 05:42:48,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:42:48,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:48,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:42:48,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:42:48,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 05:42:48,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:42:48,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:42:48,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-29 05:42:48,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:42:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:49,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:42:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:42:51,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:42:51,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117121226] [2023-11-29 05:42:51,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117121226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:42:51,642 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:42:51,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 05:42:51,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520638318] [2023-11-29 05:42:51,642 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:42:51,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:42:51,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:42:51,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:42:51,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:42:51,645 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:51,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:51,834 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2023-11-29 05:42:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 05:42:51,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 05:42:51,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:51,836 INFO L225 Difference]: With dead ends: 17 [2023-11-29 05:42:51,836 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 05:42:51,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:42:51,838 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:51,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:42:51,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 05:42:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 05:42:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-29 05:42:51,843 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2023-11-29 05:42:51,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:51,844 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-29 05:42:51,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:51,844 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-29 05:42:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 05:42:51,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:42:51,845 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2023-11-29 05:42:51,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 05:42:52,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:52,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:42:52,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:42:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times [2023-11-29 05:42:52,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:42:52,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035108476] [2023-11-29 05:42:52,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 05:42:52,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:42:52,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:42:52,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 05:42:52,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 05:42:52,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:42:52,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 05:42:52,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:42:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 05:42:52,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:42:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 05:42:53,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:42:53,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035108476] [2023-11-29 05:42:53,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035108476] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:42:53,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:42:53,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 05:42:53,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188141037] [2023-11-29 05:42:53,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:42:53,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:42:53,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:42:53,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:42:53,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:42:53,247 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:53,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:42:53,321 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-11-29 05:42:53,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:42:53,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-29 05:42:53,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:42:53,323 INFO L225 Difference]: With dead ends: 14 [2023-11-29 05:42:53,324 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:42:53,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:42:53,325 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:42:53,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 0 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:42:53,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:42:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:42:53,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:42:53,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-29 05:42:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:42:53,327 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:42:53,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:42:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:42:53,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:42:53,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:42:53,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:42:53,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:42:53,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:42:53,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:42:53,569 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2023-11-29 05:42:53,569 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2023-11-29 05:42:53,570 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2023-11-29 05:42:53,570 INFO L895 garLoopResultBuilder]: At program point L114-2(lines 114 391) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8)) (= |ULTIMATE.start_main_~var_7~0#1| (_ bv0 8))) [2023-11-29 05:42:53,570 INFO L899 garLoopResultBuilder]: For program point L114-3(lines 114 391) no Hoare annotation was computed. [2023-11-29 05:42:53,570 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:42:53,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2023-11-29 05:42:53,572 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-29 05:42:53,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:42:53,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:42:53 BoogieIcfgContainer [2023-11-29 05:42:53,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:42:53,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:42:53,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:42:53,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:42:53,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:42:45" (3/4) ... [2023-11-29 05:42:53,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:42:53,593 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-29 05:42:53,594 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:42:53,595 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:42:53,596 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:42:53,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:42:53,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:42:53,712 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:42:53,712 INFO L158 Benchmark]: Toolchain (without parser) took 9401.63ms. Allocated memory was 104.9MB in the beginning and 232.8MB in the end (delta: 127.9MB). Free memory was 80.7MB in the beginning and 148.4MB in the end (delta: -67.6MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,712 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:42:53,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 61.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.18ms. Allocated memory is still 104.9MB. Free memory was 61.0MB in the beginning and 56.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,713 INFO L158 Benchmark]: Boogie Preprocessor took 98.92ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 79.2MB in the end (delta: -22.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,714 INFO L158 Benchmark]: RCFGBuilder took 716.75ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 39.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,714 INFO L158 Benchmark]: TraceAbstraction took 7865.03ms. Allocated memory was 104.9MB in the beginning and 232.8MB in the end (delta: 127.9MB). Free memory was 38.5MB in the beginning and 157.8MB in the end (delta: -119.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,715 INFO L158 Benchmark]: Witness Printer took 130.33ms. Allocated memory is still 232.8MB. Free memory was 157.8MB in the beginning and 148.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 05:42:53,716 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 61.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.18ms. Allocated memory is still 104.9MB. Free memory was 61.0MB in the beginning and 56.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.92ms. Allocated memory is still 104.9MB. Free memory was 56.8MB in the beginning and 79.2MB in the end (delta: -22.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 716.75ms. Allocated memory is still 104.9MB. Free memory was 79.2MB in the beginning and 39.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7865.03ms. Allocated memory was 104.9MB in the beginning and 232.8MB in the end (delta: 127.9MB). Free memory was 38.5MB in the beginning and 157.8MB in the end (delta: -119.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 130.33ms. Allocated memory is still 232.8MB. Free memory was 157.8MB in the beginning and 148.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=3, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 5 NumberOfFragments, 13 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 67 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 21 QuantifiedInterpolants, 4810 SizeOfPredicates, 133 NumberOfNonLiveVariables, 1220 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 18/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: ((((1 == mask_SORT_1) && (var_12 == 1)) && (state_8 == 0)) && (var_7 == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 05:42:53,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e406a785-c3a1-4b8e-a0c2-8d504cfd7a2f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE