./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU --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 32bit --witnessprinter.graph.data.programhash 795f4667c1e1102b044359aec08de90b52cc6317a469c691f5b4c1088e37925d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:06:50,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:06:50,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:06:50,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:06:50,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:06:50,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:06:50,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:06:50,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:06:50,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:06:50,528 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:06:50,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:06:50,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:06:50,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:06:50,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:06:50,530 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:06:50,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:06:50,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:06:50,531 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:06:50,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:06:50,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:06:50,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:06:50,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:06:50,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:06:50,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:06:50,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:06:50,538 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:06:50,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:06:50,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:06:50,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:06:50,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:06:50,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:06:50,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:06:50,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:50,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:06:50,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:06:50,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:06:50,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:06:50,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:06:50,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:06:50,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:06:50,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:06:50,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:06:50,552 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_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 795f4667c1e1102b044359aec08de90b52cc6317a469c691f5b4c1088e37925d [2024-10-31 22:06:51,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:06:51,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:06:51,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:06:51,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:06:51,062 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:06:51,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i Unable to find full path for "g++" [2024-10-31 22:06:53,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:06:53,383 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:06:53,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i [2024-10-31 22:06:53,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/data/130844c9a/e0985d53519d45aa99b5c43129c7cc1e/FLAG0e88328fd [2024-10-31 22:06:53,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/data/130844c9a/e0985d53519d45aa99b5c43129c7cc1e [2024-10-31 22:06:53,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:06:53,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:06:53,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:53,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:06:53,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:06:53,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:53" (1/1) ... [2024-10-31 22:06:53,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f44499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:53, skipping insertion in model container [2024-10-31 22:06:53,439 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:06:53" (1/1) ... [2024-10-31 22:06:53,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:06:53,703 WARN L251 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_1eb739e1-55bc-4b05-b718-5cb51dbeb589/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i[916,929] [2024-10-31 22:06:53,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:53,941 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:06:53,956 WARN L251 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_1eb739e1-55bc-4b05-b718-5cb51dbeb589/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-43.i[916,929] [2024-10-31 22:06:54,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:06:54,054 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:06:54,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54 WrapperNode [2024-10-31 22:06:54,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:06:54,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:54,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:06:54,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:06:54,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,215 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 529 [2024-10-31 22:06:54,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:06:54,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:06:54,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:06:54,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:06:54,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,420 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]. [2024-10-31 22:06:54,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:06:54,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:06:54,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:06:54,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:06:54,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (1/1) ... [2024-10-31 22:06:54,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:06:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:06:54,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:06:54,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:06:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:06:54,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:06:54,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:06:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:06:54,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:06:54,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:06:54,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:06:54,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:06:56,055 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-10-31 22:06:56,055 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:06:56,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:06:56,076 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:06:56,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:56 BoogieIcfgContainer [2024-10-31 22:06:56,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:06:56,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:06:56,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:06:56,084 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:06:56,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:06:53" (1/3) ... [2024-10-31 22:06:56,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d344a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:56, skipping insertion in model container [2024-10-31 22:06:56,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:06:54" (2/3) ... [2024-10-31 22:06:56,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d344a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:06:56, skipping insertion in model container [2024-10-31 22:06:56,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:06:56" (3/3) ... [2024-10-31 22:06:56,093 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-43.i [2024-10-31 22:06:56,116 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:06:56,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:06:56,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:06:56,207 INFO L333 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, 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;@4a700fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:06:56,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:06:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 224 states, 158 states have (on average 1.4746835443037976) internal successors, (233), 159 states have internal predecessors, (233), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-31 22:06:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-10-31 22:06:56,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:56,253 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:56,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:56,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:56,260 INFO L85 PathProgramCache]: Analyzing trace with hash -886906033, now seen corresponding path program 1 times [2024-10-31 22:06:56,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:56,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453309710] [2024-10-31 22:06:56,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:56,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:06:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:06:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:06:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:06:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:06:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:06:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:06:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:06:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:06:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:06:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:06:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:06:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:06:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:06:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:06:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:56,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:06:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:06:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:06:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:06:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:06:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:06:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:06:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:06:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:06:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:06:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:06:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:06:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:06:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:06:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:06:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:06:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:06:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:06:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:06:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:06:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:06:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:06:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:06:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:06:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:06:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:06:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:06:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:06:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:06:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:06:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:06:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:06:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:06:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:06:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:06:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:06:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:06:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:06:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:06:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:06:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:06:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:06:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:06:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:06:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:06:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-31 22:06:57,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:57,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453309710] [2024-10-31 22:06:57,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453309710] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:57,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:57,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:06:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61779499] [2024-10-31 22:06:57,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:57,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:06:57,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:06:57,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:57,325 INFO L87 Difference]: Start difference. First operand has 224 states, 158 states have (on average 1.4746835443037976) internal successors, (233), 159 states have internal predecessors, (233), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) Second operand has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-31 22:06:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:57,445 INFO L93 Difference]: Finished difference Result 441 states and 775 transitions. [2024-10-31 22:06:57,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:06:57,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) Word has length 411 [2024-10-31 22:06:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:57,464 INFO L225 Difference]: With dead ends: 441 [2024-10-31 22:06:57,465 INFO L226 Difference]: Without dead ends: 220 [2024-10-31 22:06:57,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:06:57,480 INFO L432 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:57,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:06:57,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-31 22:06:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-10-31 22:06:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 155 states have (on average 1.4516129032258065) internal successors, (225), 155 states have internal predecessors, (225), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-31 22:06:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 351 transitions. [2024-10-31 22:06:57,574 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 351 transitions. Word has length 411 [2024-10-31 22:06:57,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:57,575 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 351 transitions. [2024-10-31 22:06:57,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.5) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 2 states have call successors, (63) [2024-10-31 22:06:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 351 transitions. [2024-10-31 22:06:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-10-31 22:06:57,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:57,587 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:57,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:06:57,588 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:57,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:57,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1497484953, now seen corresponding path program 1 times [2024-10-31 22:06:57,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:57,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926744491] [2024-10-31 22:06:57,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:57,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:06:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:06:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:06:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:06:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:06:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:06:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:06:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:06:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:06:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:06:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:06:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:06:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:06:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:06:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:06:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:06:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:06:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:06:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:06:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:06:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:06:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:06:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:06:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:06:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:06:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:06:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:06:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:06:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:06:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:06:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:06:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:06:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:06:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:06:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:06:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:06:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:06:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:06:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:06:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:06:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:06:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:06:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:06:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:06:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:06:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:06:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:06:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:06:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:06:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:06:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:06:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:06:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:06:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:06:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:06:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:06:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:06:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:06:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:06:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:06:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-31 22:06:58,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:06:58,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926744491] [2024-10-31 22:06:58,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926744491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:06:58,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:06:58,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:06:58,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326336542] [2024-10-31 22:06:58,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:06:58,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:06:58,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:06:58,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:06:58,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:58,645 INFO L87 Difference]: Start difference. First operand 220 states and 351 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:06:58,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:06:58,882 INFO L93 Difference]: Finished difference Result 654 states and 1047 transitions. [2024-10-31 22:06:58,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:06:58,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 411 [2024-10-31 22:06:58,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:06:58,892 INFO L225 Difference]: With dead ends: 654 [2024-10-31 22:06:58,893 INFO L226 Difference]: Without dead ends: 437 [2024-10-31 22:06:58,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:06:58,899 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 222 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:06:58,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 795 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:06:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-31 22:06:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 435. [2024-10-31 22:06:59,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 306 states have (on average 1.4444444444444444) internal successors, (442), 306 states have internal predecessors, (442), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-31 22:06:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 694 transitions. [2024-10-31 22:06:59,033 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 694 transitions. Word has length 411 [2024-10-31 22:06:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:06:59,037 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 694 transitions. [2024-10-31 22:06:59,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:06:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 694 transitions. [2024-10-31 22:06:59,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-10-31 22:06:59,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:06:59,049 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:06:59,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:06:59,050 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:06:59,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:06:59,051 INFO L85 PathProgramCache]: Analyzing trace with hash 603998615, now seen corresponding path program 1 times [2024-10-31 22:06:59,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:06:59,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256338843] [2024-10-31 22:06:59,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:06:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:06:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:06:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:06:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:06:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:06:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:06:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:06:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:06:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:06:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:06:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:06:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:06:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:06:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:06:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:06:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:06:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:06:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:06:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:06:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:06:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:06:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:06:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:06:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:06:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:06:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:06:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:06:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:06:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:06:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:06:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:06:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:06:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:06:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:06:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:06:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:06:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:06:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:06:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:06:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:06:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:06:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:06:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:06:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:06:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:06:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:06:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:06:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:06:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:06:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:06:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:06:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:06:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:06:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:06:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:06:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:06:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:06:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:06:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:06:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:07:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:07:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:07:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:07:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:07:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:07:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-31 22:07:00,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:00,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256338843] [2024-10-31 22:07:00,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256338843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:00,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:00,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:00,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609078292] [2024-10-31 22:07:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:00,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:00,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:00,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:00,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:00,048 INFO L87 Difference]: Start difference. First operand 435 states and 694 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:00,636 INFO L93 Difference]: Finished difference Result 1515 states and 2404 transitions. [2024-10-31 22:07:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:07:00,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 411 [2024-10-31 22:07:00,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:00,647 INFO L225 Difference]: With dead ends: 1515 [2024-10-31 22:07:00,647 INFO L226 Difference]: Without dead ends: 1083 [2024-10-31 22:07:00,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:00,650 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 436 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:00,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 1147 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:07:00,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-10-31 22:07:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1041. [2024-10-31 22:07:00,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 784 states have (on average 1.471938775510204) internal successors, (1154), 784 states have internal predecessors, (1154), 252 states have call successors, (252), 4 states have call predecessors, (252), 4 states have return successors, (252), 252 states have call predecessors, (252), 252 states have call successors, (252) [2024-10-31 22:07:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1658 transitions. [2024-10-31 22:07:00,828 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1658 transitions. Word has length 411 [2024-10-31 22:07:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:00,833 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1658 transitions. [2024-10-31 22:07:00,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1658 transitions. [2024-10-31 22:07:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-10-31 22:07:00,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:00,845 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:00,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:07:00,846 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:00,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash 963359302, now seen corresponding path program 1 times [2024-10-31 22:07:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:00,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195065388] [2024-10-31 22:07:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:07:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:07:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:07:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:07:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:07:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:07:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:07:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:07:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:07:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:07:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:07:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:07:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:07:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:07:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:07:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:07:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:07:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:07:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:07:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:07:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:07:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:07:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:07:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:07:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:07:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:07:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:07:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:07:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:07:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:07:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:07:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:07:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:07:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:07:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:07:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:07:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:07:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:07:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:07:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:07:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:07:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:07:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:07:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:07:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:07:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:07:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:07:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:07:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:07:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:07:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:07:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:07:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:07:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:07:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:07:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-31 22:07:01,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:01,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195065388] [2024-10-31 22:07:01,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195065388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:01,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:01,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:01,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64516035] [2024-10-31 22:07:01,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:01,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:01,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:01,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:01,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:01,751 INFO L87 Difference]: Start difference. First operand 1041 states and 1658 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:02,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:02,333 INFO L93 Difference]: Finished difference Result 2704 states and 4297 transitions. [2024-10-31 22:07:02,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:02,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 412 [2024-10-31 22:07:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:02,347 INFO L225 Difference]: With dead ends: 2704 [2024-10-31 22:07:02,347 INFO L226 Difference]: Without dead ends: 1666 [2024-10-31 22:07:02,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:02,354 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 273 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:02,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1008 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:07:02,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-10-31 22:07:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1636. [2024-10-31 22:07:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1315 states have (on average 1.500380228136882) internal successors, (1973), 1315 states have internal predecessors, (1973), 315 states have call successors, (315), 5 states have call predecessors, (315), 5 states have return successors, (315), 315 states have call predecessors, (315), 315 states have call successors, (315) [2024-10-31 22:07:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2603 transitions. [2024-10-31 22:07:02,563 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2603 transitions. Word has length 412 [2024-10-31 22:07:02,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:02,564 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2603 transitions. [2024-10-31 22:07:02,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:02,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2603 transitions. [2024-10-31 22:07:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-10-31 22:07:02,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:02,578 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:02,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:07:02,579 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:02,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:02,580 INFO L85 PathProgramCache]: Analyzing trace with hash -688301868, now seen corresponding path program 1 times [2024-10-31 22:07:02,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:02,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408062145] [2024-10-31 22:07:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:02,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:07:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:07:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:07:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:07:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:07:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:07:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:07:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:07:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:07:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:07:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:07:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:07:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:07:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:07:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:07:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:07:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:07:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:07:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:07:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:07:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:07:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:07:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:07:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:07:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:07:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:07:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:07:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:07:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:07:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:07:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:07:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:07:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:07:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:07:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:07:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:07:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:07:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:07:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:07:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:07:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:07:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:07:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:07:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:07:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:07:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:07:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:07:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:07:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:07:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:07:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:07:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:07:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:07:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:07:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:07:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7812 trivial. 0 not checked. [2024-10-31 22:07:03,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:03,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408062145] [2024-10-31 22:07:03,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408062145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:07:03,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:07:03,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:07:03,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331318117] [2024-10-31 22:07:03,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:07:03,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:07:03,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:07:03,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:07:03,796 INFO L87 Difference]: Start difference. First operand 1636 states and 2603 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:04,293 INFO L93 Difference]: Finished difference Result 5495 states and 8735 transitions. [2024-10-31 22:07:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:07:04,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) Word has length 413 [2024-10-31 22:07:04,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:04,315 INFO L225 Difference]: With dead ends: 5495 [2024-10-31 22:07:04,315 INFO L226 Difference]: Without dead ends: 3969 [2024-10-31 22:07:04,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:07:04,321 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 575 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:04,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1029 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:07:04,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2024-10-31 22:07:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3157. [2024-10-31 22:07:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3157 states, 2580 states have (on average 1.506201550387597) internal successors, (3886), 2580 states have internal predecessors, (3886), 567 states have call successors, (567), 9 states have call predecessors, (567), 9 states have return successors, (567), 567 states have call predecessors, (567), 567 states have call successors, (567) [2024-10-31 22:07:04,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 5020 transitions. [2024-10-31 22:07:04,631 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 5020 transitions. Word has length 413 [2024-10-31 22:07:04,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:04,632 INFO L471 AbstractCegarLoop]: Abstraction has 3157 states and 5020 transitions. [2024-10-31 22:07:04,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 1 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 1 states have call predecessors, (63), 1 states have call successors, (63) [2024-10-31 22:07:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 5020 transitions. [2024-10-31 22:07:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-10-31 22:07:04,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:04,638 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:04,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:07:04,639 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:04,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:04,639 INFO L85 PathProgramCache]: Analyzing trace with hash -647627118, now seen corresponding path program 1 times [2024-10-31 22:07:04,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:04,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77670637] [2024-10-31 22:07:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:04,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:07:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:07:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:07:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:07:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:07:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:07:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:07:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:07:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:07:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:07:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:07:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:07:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:07:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:07:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:07:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:07:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:07:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:07:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:07:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:07:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:07:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:07:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:07:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:07:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:07:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:07:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:07:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:07:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:07:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:07:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:07:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:07:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:07:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:07:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:07:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:07:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:07:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:07:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:07:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:07:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:07:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:07:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:07:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:07:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:07:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:07:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:07:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:07:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:07:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:07:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:07:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:07:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:07:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:07:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:07:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 27 proven. 159 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-31 22:07:07,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:07,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77670637] [2024-10-31 22:07:07,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77670637] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:07,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333472465] [2024-10-31 22:07:07,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:07,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:07,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:07,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:07:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:07,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:07:07,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 5013 proven. 168 refuted. 0 times theorem prover too weak. 2631 trivial. 0 not checked. [2024-10-31 22:07:09,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 198 proven. 171 refuted. 0 times theorem prover too weak. 7443 trivial. 0 not checked. [2024-10-31 22:07:10,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333472465] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:10,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:10,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-10-31 22:07:10,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502769178] [2024-10-31 22:07:10,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:10,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:07:10,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:10,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:07:10,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:07:10,391 INFO L87 Difference]: Start difference. First operand 3157 states and 5020 transitions. Second operand has 15 states, 15 states have (on average 14.0) internal successors, (210), 15 states have internal predecessors, (210), 6 states have call successors, (151), 3 states have call predecessors, (151), 7 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) [2024-10-31 22:07:12,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:07:12,072 INFO L93 Difference]: Finished difference Result 6363 states and 9982 transitions. [2024-10-31 22:07:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-31 22:07:12,073 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 14.0) internal successors, (210), 15 states have internal predecessors, (210), 6 states have call successors, (151), 3 states have call predecessors, (151), 7 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) Word has length 413 [2024-10-31 22:07:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:07:12,097 INFO L225 Difference]: With dead ends: 6363 [2024-10-31 22:07:12,098 INFO L226 Difference]: Without dead ends: 3337 [2024-10-31 22:07:12,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=289, Invalid=641, Unknown=0, NotChecked=0, Total=930 [2024-10-31 22:07:12,109 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 735 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 737 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:07:12,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [737 Valid, 820 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-31 22:07:12,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2024-10-31 22:07:12,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3265. [2024-10-31 22:07:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3265 states, 2661 states have (on average 1.4772641863960918) internal successors, (3931), 2661 states have internal predecessors, (3931), 567 states have call successors, (567), 36 states have call predecessors, (567), 36 states have return successors, (567), 567 states have call predecessors, (567), 567 states have call successors, (567) [2024-10-31 22:07:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 5065 transitions. [2024-10-31 22:07:12,416 INFO L78 Accepts]: Start accepts. Automaton has 3265 states and 5065 transitions. Word has length 413 [2024-10-31 22:07:12,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:07:12,419 INFO L471 AbstractCegarLoop]: Abstraction has 3265 states and 5065 transitions. [2024-10-31 22:07:12,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.0) internal successors, (210), 15 states have internal predecessors, (210), 6 states have call successors, (151), 3 states have call predecessors, (151), 7 states have return successors, (153), 6 states have call predecessors, (153), 6 states have call successors, (153) [2024-10-31 22:07:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 5065 transitions. [2024-10-31 22:07:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-10-31 22:07:12,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:07:12,423 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:07:12,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:07:12,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:12,626 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:07:12,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:07:12,627 INFO L85 PathProgramCache]: Analyzing trace with hash -564721582, now seen corresponding path program 1 times [2024-10-31 22:07:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:07:12,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804106263] [2024-10-31 22:07:12,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:07:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:07:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:07:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:07:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:07:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:07:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:07:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:07:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:07:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:07:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:07:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:07:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:07:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:07:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:07:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:07:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:07:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:07:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:07:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:07:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-31 22:07:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:07:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-31 22:07:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:07:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-31 22:07:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-31 22:07:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-31 22:07:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 22:07:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-31 22:07:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 22:07:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-31 22:07:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 22:07:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-31 22:07:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-31 22:07:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-31 22:07:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-31 22:07:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-31 22:07:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-31 22:07:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-31 22:07:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-31 22:07:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-31 22:07:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-31 22:07:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-31 22:07:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-31 22:07:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-31 22:07:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-31 22:07:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-31 22:07:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-31 22:07:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-31 22:07:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-31 22:07:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-31 22:07:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-31 22:07:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-31 22:07:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-31 22:07:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-31 22:07:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-31 22:07:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2024-10-31 22:07:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-31 22:07:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2024-10-31 22:07:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-10-31 22:07:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2024-10-31 22:07:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-31 22:07:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-10-31 22:07:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-31 22:07:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 276 proven. 90 refuted. 0 times theorem prover too weak. 7446 trivial. 0 not checked. [2024-10-31 22:07:15,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:07:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804106263] [2024-10-31 22:07:15,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804106263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:07:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852504595] [2024-10-31 22:07:15,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:07:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:07:15,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:07:15,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:07:15,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eb739e1-55bc-4b05-b718-5cb51dbeb589/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:07:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:07:16,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:07:16,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:07:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 4908 proven. 33 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2024-10-31 22:07:16,750 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:07:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 153 proven. 33 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2024-10-31 22:07:17,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852504595] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:07:17,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:07:17,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-10-31 22:07:17,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984334159] [2024-10-31 22:07:17,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:07:17,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:07:17,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:07:17,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:07:17,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:07:17,427 INFO L87 Difference]: Start difference. First operand 3265 states and 5065 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (149), 3 states have call predecessors, (149), 6 states have return successors, (149), 7 states have call predecessors, (149), 7 states have call successors, (149)