./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 583ab92a7056287b3071cc8588dd414024160b1da2815b90013f83f6f32564a1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 20:38:32,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 20:38:32,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 20:38:32,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 20:38:32,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 20:38:32,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 20:38:32,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 20:38:32,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 20:38:32,889 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 20:38:32,889 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 20:38:32,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 20:38:32,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 20:38:32,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 20:38:32,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 20:38:32,891 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 20:38:32,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 20:38:32,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 20:38:32,892 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 20:38:32,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 20:38:32,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 20:38:32,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 20:38:32,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 20:38:32,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 20:38:32,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 20:38:32,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 20:38:32,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 20:38:32,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 20:38:32,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:38:32,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 20:38:32,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 20:38:32,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 20:38:32,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 20:38:32,903 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583ab92a7056287b3071cc8588dd414024160b1da2815b90013f83f6f32564a1 [2024-10-12 20:38:33,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 20:38:33,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 20:38:33,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 20:38:33,147 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 20:38:33,151 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 20:38:33,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2024-10-12 20:38:34,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 20:38:34,680 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 20:38:34,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2024-10-12 20:38:34,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85941ea67/f05e4b9f59d34f2da925d9049ecdb491/FLAG8a45a3db3 [2024-10-12 20:38:34,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85941ea67/f05e4b9f59d34f2da925d9049ecdb491 [2024-10-12 20:38:34,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 20:38:34,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 20:38:34,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 20:38:34,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 20:38:34,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 20:38:34,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:38:34" (1/1) ... [2024-10-12 20:38:34,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df685d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:34, skipping insertion in model container [2024-10-12 20:38:34,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:38:34" (1/1) ... [2024-10-12 20:38:34,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 20:38:35,065 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2024-10-12 20:38:35,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:38:35,202 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 20:38:35,235 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2024-10-12 20:38:35,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:38:35,340 INFO L204 MainTranslator]: Completed translation [2024-10-12 20:38:35,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35 WrapperNode [2024-10-12 20:38:35,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 20:38:35,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 20:38:35,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 20:38:35,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 20:38:35,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,415 INFO L138 Inliner]: procedures = 144, calls = 393, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 732 [2024-10-12 20:38:35,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 20:38:35,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 20:38:35,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 20:38:35,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 20:38:35,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,467 INFO L175 MemorySlicer]: Split 260 memory accesses to 14 slices as follows [2, 8, 8, 42, 37, 25, 25, 11, 13, 37, 0, 2, 37, 13]. 16 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 3, 3, 0, 0, 7, 7, 7, 0, 0, 0, 0, 0, 0]. The 71 writes are split as follows [0, 2, 2, 24, 19, 8, 8, 2, 1, 1, 0, 2, 1, 1]. [2024-10-12 20:38:35,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 20:38:35,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 20:38:35,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 20:38:35,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 20:38:35,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (1/1) ... [2024-10-12 20:38:35,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:38:35,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:38:35,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 20:38:35,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 20:38:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 20:38:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 20:38:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 20:38:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-12 20:38:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-12 20:38:35,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-12 20:38:35,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-12 20:38:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-12 20:38:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-12 20:38:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-12 20:38:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-12 20:38:35,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-12 20:38:35,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-12 20:38:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-12 20:38:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-12 20:38:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-12 20:38:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-12 20:38:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-12 20:38:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-12 20:38:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-12 20:38:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-12 20:38:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-12 20:38:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-12 20:38:35,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-12 20:38:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 20:38:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-12 20:38:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-12 20:38:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-10-12 20:38:35,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-12 20:38:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-12 20:38:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-10-12 20:38:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 20:38:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-12 20:38:35,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-12 20:38:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-12 20:38:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-12 20:38:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-12 20:38:35,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 20:38:35,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 20:38:35,822 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 20:38:35,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 20:38:36,026 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-10-12 20:38:36,026 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-10-12 20:38:36,026 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-10-12 20:38:36,026 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-10-12 20:38:36,027 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: SUMMARY for call __CS_cs(); srcloc: null [2024-10-12 20:38:36,027 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2024-10-12 20:38:36,027 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2024-10-12 20:38:40,459 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-10-12 20:38:40,459 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 20:38:40,511 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 20:38:40,511 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-12 20:38:40,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:38:40 BoogieIcfgContainer [2024-10-12 20:38:40,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 20:38:40,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 20:38:40,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 20:38:40,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 20:38:40,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:38:34" (1/3) ... [2024-10-12 20:38:40,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffc920a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:38:40, skipping insertion in model container [2024-10-12 20:38:40,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:38:35" (2/3) ... [2024-10-12 20:38:40,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffc920a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:38:40, skipping insertion in model container [2024-10-12 20:38:40,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:38:40" (3/3) ... [2024-10-12 20:38:40,521 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_fib_longer-2.i [2024-10-12 20:38:40,534 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 20:38:40,534 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 20:38:40,605 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 20:38:40,612 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;@7e47d274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 20:38:40,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 20:38:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 179 states, 106 states have (on average 1.349056603773585) internal successors, (143), 107 states have internal predecessors, (143), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-12 20:38:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-10-12 20:38:40,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:38:40,644 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:38:40,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:38:40,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:38:40,650 INFO L85 PathProgramCache]: Analyzing trace with hash 855262826, now seen corresponding path program 1 times [2024-10-12 20:38:40,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:38:40,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099366498] [2024-10-12 20:38:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:38:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-12 20:38:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-12 20:38:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 20:38:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:38:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 20:38:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-12 20:38:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-12 20:38:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:38:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:38:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 20:38:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 20:38:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 20:38:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 20:38:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 20:38:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 20:38:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 20:38:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 20:38:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 20:38:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 20:38:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 20:38:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 20:38:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 20:38:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-12 20:38:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-12 20:38:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-12 20:38:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-12 20:38:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-12 20:38:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-12 20:38:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-12 20:38:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-12 20:38:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-12 20:38:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-12 20:38:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-12 20:38:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-12 20:38:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-12 20:38:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-12 20:38:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-12 20:38:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-12 20:38:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-12 20:38:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-12 20:38:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-12 20:38:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-12 20:38:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-12 20:38:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-12 20:38:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-12 20:38:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-12 20:38:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-12 20:38:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-12 20:38:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-12 20:38:41,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:38:41,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099366498] [2024-10-12 20:38:41,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099366498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:38:41,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:38:41,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:38:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390275553] [2024-10-12 20:38:41,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:38:41,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:38:41,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:38:41,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:38:41,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:38:41,697 INFO L87 Difference]: Start difference. First operand has 179 states, 106 states have (on average 1.349056603773585) internal successors, (143), 107 states have internal predecessors, (143), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:45,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:38:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:38:45,827 INFO L93 Difference]: Finished difference Result 360 states and 625 transitions. [2024-10-12 20:38:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:38:45,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 299 [2024-10-12 20:38:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:38:45,837 INFO L225 Difference]: With dead ends: 360 [2024-10-12 20:38:45,837 INFO L226 Difference]: Without dead ends: 180 [2024-10-12 20:38:45,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:38:45,843 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 3 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:38:45,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 524 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-12 20:38:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-12 20:38:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2024-10-12 20:38:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-12 20:38:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 270 transitions. [2024-10-12 20:38:45,908 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 270 transitions. Word has length 299 [2024-10-12 20:38:45,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:38:45,910 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 270 transitions. [2024-10-12 20:38:45,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 270 transitions. [2024-10-12 20:38:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-12 20:38:45,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:38:45,917 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:38:45,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 20:38:45,918 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:38:45,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:38:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash -362326326, now seen corresponding path program 1 times [2024-10-12 20:38:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:38:45,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170073190] [2024-10-12 20:38:45,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:45,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:38:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:38:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:38:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-12 20:38:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-12 20:38:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-12 20:38:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-12 20:38:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-12 20:38:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-12 20:38:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-12 20:38:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-12 20:38:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-12 20:38:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-12 20:38:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-12 20:38:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-12 20:38:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-12 20:38:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-12 20:38:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-12 20:38:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-12 20:38:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-12 20:38:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-12 20:38:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-12 20:38:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-12 20:38:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-12 20:38:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-12 20:38:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-12 20:38:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-12 20:38:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-12 20:38:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-12 20:38:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-12 20:38:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-12 20:38:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-12 20:38:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-12 20:38:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-12 20:38:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-12 20:38:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-12 20:38:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-12 20:38:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-12 20:38:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-12 20:38:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-12 20:38:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-12 20:38:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-12 20:38:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-12 20:38:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-12 20:38:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-12 20:38:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-12 20:38:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-10-12 20:38:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2024-10-12 20:38:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-12 20:38:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4513 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-12 20:38:46,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:38:46,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170073190] [2024-10-12 20:38:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170073190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:38:46,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:38:46,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 20:38:46,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599912268] [2024-10-12 20:38:46,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:38:46,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-12 20:38:46,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:38:46,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 20:38:46,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:38:46,502 INFO L87 Difference]: Start difference. First operand 178 states and 270 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:38:46,568 INFO L93 Difference]: Finished difference Result 355 states and 540 transitions. [2024-10-12 20:38:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 20:38:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 302 [2024-10-12 20:38:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:38:46,571 INFO L225 Difference]: With dead ends: 355 [2024-10-12 20:38:46,572 INFO L226 Difference]: Without dead ends: 179 [2024-10-12 20:38:46,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 20:38:46,574 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 0 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:38:46,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 524 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:38:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-12 20:38:46,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-10-12 20:38:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-12 20:38:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 271 transitions. [2024-10-12 20:38:46,589 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 271 transitions. Word has length 302 [2024-10-12 20:38:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:38:46,589 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 271 transitions. [2024-10-12 20:38:46,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 271 transitions. [2024-10-12 20:38:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-12 20:38:46,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:38:46,593 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:38:46,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 20:38:46,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:38:46,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:38:46,596 INFO L85 PathProgramCache]: Analyzing trace with hash -286844739, now seen corresponding path program 1 times [2024-10-12 20:38:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:38:46,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931162799] [2024-10-12 20:38:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:38:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-12 20:38:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-12 20:38:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-12 20:38:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-12 20:38:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-12 20:38:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-12 20:38:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-12 20:38:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-12 20:38:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-12 20:38:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-12 20:38:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-12 20:38:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-12 20:38:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-12 20:38:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-12 20:38:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-12 20:38:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:46,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-12 20:38:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-12 20:38:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-12 20:38:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-12 20:38:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-12 20:38:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-12 20:38:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-12 20:38:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-12 20:38:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-12 20:38:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-12 20:38:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-12 20:38:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-12 20:38:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-12 20:38:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-12 20:38:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-12 20:38:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-12 20:38:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-12 20:38:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-12 20:38:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-12 20:38:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-12 20:38:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-12 20:38:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-12 20:38:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-12 20:38:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-12 20:38:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-12 20:38:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-12 20:38:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-12 20:38:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-12 20:38:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-12 20:38:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-12 20:38:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-10-12 20:38:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-10-12 20:38:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-12 20:38:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-12 20:38:47,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:38:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931162799] [2024-10-12 20:38:47,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931162799] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:38:47,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231682511] [2024-10-12 20:38:47,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:47,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:38:47,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:38:47,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:38:47,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-12 20:38:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:47,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 20:38:47,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:38:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-12 20:38:47,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 20:38:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4514 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-12 20:38:47,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231682511] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 20:38:47,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 20:38:47,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-12 20:38:47,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777004610] [2024-10-12 20:38:47,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 20:38:47,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 20:38:47,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:38:47,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 20:38:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:38:47,953 INFO L87 Difference]: Start difference. First operand 179 states and 271 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2024-10-12 20:38:48,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:38:48,011 INFO L93 Difference]: Finished difference Result 358 states and 544 transitions. [2024-10-12 20:38:48,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:38:48,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) Word has length 303 [2024-10-12 20:38:48,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:38:48,014 INFO L225 Difference]: With dead ends: 358 [2024-10-12 20:38:48,014 INFO L226 Difference]: Without dead ends: 181 [2024-10-12 20:38:48,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 699 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:38:48,015 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 0 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:38:48,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 785 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 20:38:48,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-12 20:38:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-10-12 20:38:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 109 states have (on average 1.275229357798165) internal successors, (139), 109 states have internal predecessors, (139), 67 states have call successors, (67), 4 states have call predecessors, (67), 4 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-12 20:38:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 273 transitions. [2024-10-12 20:38:48,028 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 273 transitions. Word has length 303 [2024-10-12 20:38:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:38:48,029 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 273 transitions. [2024-10-12 20:38:48,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 1 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 1 states have call predecessors, (96), 1 states have call successors, (96) [2024-10-12 20:38:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 273 transitions. [2024-10-12 20:38:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-12 20:38:48,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:38:48,032 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:38:48,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-12 20:38:48,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:38:48,233 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:38:48,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:38:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1576445533, now seen corresponding path program 2 times [2024-10-12 20:38:48,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:38:48,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785833901] [2024-10-12 20:38:48,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:48,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:38:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-12 20:38:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-12 20:38:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-12 20:38:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-12 20:38:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-12 20:38:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-12 20:38:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-12 20:38:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-12 20:38:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-12 20:38:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-12 20:38:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-12 20:38:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-12 20:38:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-12 20:38:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-12 20:38:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-12 20:38:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-12 20:38:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-12 20:38:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-12 20:38:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-12 20:38:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-12 20:38:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-12 20:38:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-12 20:38:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-12 20:38:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-12 20:38:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-12 20:38:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-12 20:38:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-12 20:38:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-12 20:38:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-12 20:38:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-12 20:38:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-12 20:38:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-12 20:38:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-12 20:38:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-12 20:38:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-12 20:38:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-12 20:38:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-12 20:38:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-12 20:38:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-12 20:38:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-12 20:38:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-12 20:38:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-12 20:38:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-12 20:38:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-12 20:38:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-12 20:38:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-12 20:38:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-12 20:38:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-12 20:38:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4519 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2024-10-12 20:38:48,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:38:48,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785833901] [2024-10-12 20:38:48,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785833901] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:38:48,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152861929] [2024-10-12 20:38:48,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 20:38:48,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:38:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:38:48,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:38:48,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-12 20:38:49,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-12 20:38:49,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 20:38:49,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 20:38:49,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:38:49,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4519 trivial. 0 not checked. [2024-10-12 20:38:49,689 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 20:38:49,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152861929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:38:49,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-12 20:38:49,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-12 20:38:49,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76662567] [2024-10-12 20:38:49,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:38:49,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 20:38:49,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:38:49,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 20:38:49,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 20:38:49,694 INFO L87 Difference]: Start difference. First operand 181 states and 273 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:38:49,803 INFO L93 Difference]: Finished difference Result 351 states and 534 transitions. [2024-10-12 20:38:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 20:38:49,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 305 [2024-10-12 20:38:49,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:38:49,811 INFO L225 Difference]: With dead ends: 351 [2024-10-12 20:38:49,811 INFO L226 Difference]: Without dead ends: 249 [2024-10-12 20:38:49,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:38:49,813 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 107 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:38:49,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 778 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 20:38:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-12 20:38:49,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-10-12 20:38:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 85 states have call successors, (85), 8 states have call predecessors, (85), 8 states have return successors, (87), 85 states have call predecessors, (87), 85 states have call successors, (87) [2024-10-12 20:38:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 382 transitions. [2024-10-12 20:38:49,852 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 382 transitions. Word has length 305 [2024-10-12 20:38:49,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:38:49,852 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 382 transitions. [2024-10-12 20:38:49,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-12 20:38:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 382 transitions. [2024-10-12 20:38:49,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2024-10-12 20:38:49,858 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:38:49,858 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:38:49,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-12 20:38:50,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-12 20:38:50,059 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:38:50,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:38:50,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1581461193, now seen corresponding path program 1 times [2024-10-12 20:38:50,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:38:50,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381934532] [2024-10-12 20:38:50,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:38:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-12 20:38:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 20:38:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:38:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:38:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:38:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:38:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 20:38:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 20:38:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:38:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 20:38:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:38:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-12 20:38:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-12 20:38:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-12 20:38:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 20:38:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 20:38:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 20:38:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 20:38:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 20:38:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 20:38:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:38:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:38:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:38:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:38:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:38:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:38:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:38:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:38:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:38:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:38:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:38:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:38:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:38:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:38:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:38:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:38:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:38:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:38:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:38:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:38:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:38:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:38:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-12 20:38:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-12 20:38:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-12 20:38:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-12 20:38:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-12 20:38:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-12 20:38:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-12 20:38:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-12 20:38:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-12 20:38:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-12 20:38:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-12 20:38:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-12 20:38:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-12 20:38:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-12 20:38:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-12 20:38:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-12 20:38:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-12 20:38:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5339 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5338 trivial. 0 not checked. [2024-10-12 20:38:50,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:38:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381934532] [2024-10-12 20:38:50,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381934532] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:38:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199561055] [2024-10-12 20:38:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:38:50,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:38:50,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:38:50,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:38:50,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-12 20:38:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:38:51,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 1981 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 20:38:51,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 20:38:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5339 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5338 trivial. 0 not checked. [2024-10-12 20:38:51,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 20:38:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5339 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5338 trivial. 0 not checked. [2024-10-12 20:38:51,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199561055] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 20:38:51,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 20:38:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 4] total 10 [2024-10-12 20:38:51,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253565303] [2024-10-12 20:38:51,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 20:38:51,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:38:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:38:51,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:38:51,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:38:51,786 INFO L87 Difference]: Start difference. First operand 249 states and 382 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-10-12 20:38:55,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:38:59,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:03,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:07,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:11,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:15,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:20,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:24,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:25,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:39:25,287 INFO L93 Difference]: Finished difference Result 514 states and 786 transitions. [2024-10-12 20:39:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 20:39:25,287 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 367 [2024-10-12 20:39:25,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:39:25,289 INFO L225 Difference]: With dead ends: 514 [2024-10-12 20:39:25,290 INFO L226 Difference]: Without dead ends: 273 [2024-10-12 20:39:25,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:39:25,291 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 53 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 72 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:39:25,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 1153 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 717 Invalid, 8 Unknown, 0 Unchecked, 33.4s Time] [2024-10-12 20:39:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-10-12 20:39:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2024-10-12 20:39:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 175 states have (on average 1.3314285714285714) internal successors, (233), 176 states have internal predecessors, (233), 85 states have call successors, (85), 8 states have call predecessors, (85), 9 states have return successors, (89), 85 states have call predecessors, (89), 85 states have call successors, (89) [2024-10-12 20:39:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 407 transitions. [2024-10-12 20:39:25,309 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 407 transitions. Word has length 367 [2024-10-12 20:39:25,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:39:25,309 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 407 transitions. [2024-10-12 20:39:25,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 7 states have internal predecessors, (119), 2 states have call successors, (119), 5 states have call predecessors, (119), 2 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2024-10-12 20:39:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 407 transitions. [2024-10-12 20:39:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-10-12 20:39:25,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:25,313 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:25,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-12 20:39:25,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:39:25,518 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:25,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:25,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1161284738, now seen corresponding path program 2 times [2024-10-12 20:39:25,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549385313] [2024-10-12 20:39:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-12 20:39:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 20:39:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:39:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:39:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 20:39:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 20:39:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 20:39:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 20:39:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 20:39:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 20:39:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 20:39:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 20:39:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 20:39:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:39:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:39:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:39:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:39:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:39:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:39:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:39:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:39:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:39:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:39:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:39:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:39:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:39:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:39:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:39:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:39:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:39:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:39:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:39:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:39:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:39:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:39:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-12 20:39:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-12 20:39:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-12 20:39:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-12 20:39:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-12 20:39:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-12 20:39:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-12 20:39:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-12 20:39:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-12 20:39:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-12 20:39:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-12 20:39:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-12 20:39:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-12 20:39:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-12 20:39:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-12 20:39:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-12 20:39:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-12 20:39:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-12 20:39:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-10-12 20:39:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-12 20:39:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5468 trivial. 0 not checked. [2024-10-12 20:39:26,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:39:26,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549385313] [2024-10-12 20:39:26,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549385313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:39:26,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:39:26,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:39:26,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383280939] [2024-10-12 20:39:26,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:39:26,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:39:26,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:39:26,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:39:26,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:39:26,891 INFO L87 Difference]: Start difference. First operand 270 states and 407 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-10-12 20:39:30,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:34,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:38,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:42,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:46,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:49,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:39:49,858 INFO L93 Difference]: Finished difference Result 631 states and 959 transitions. [2024-10-12 20:39:49,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:39:49,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 385 [2024-10-12 20:39:49,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:39:49,871 INFO L225 Difference]: With dead ends: 631 [2024-10-12 20:39:49,871 INFO L226 Difference]: Without dead ends: 520 [2024-10-12 20:39:49,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-12 20:39:49,873 INFO L432 NwaCegarLoop]: 359 mSDtfsCounter, 309 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 144 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:39:49,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 1093 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 898 Invalid, 5 Unknown, 0 Unchecked, 22.1s Time] [2024-10-12 20:39:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-10-12 20:39:49,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 507. [2024-10-12 20:39:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 318 states have (on average 1.3396226415094339) internal successors, (426), 322 states have internal predecessors, (426), 168 states have call successors, (168), 16 states have call predecessors, (168), 20 states have return successors, (184), 168 states have call predecessors, (184), 168 states have call successors, (184) [2024-10-12 20:39:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 778 transitions. [2024-10-12 20:39:49,928 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 778 transitions. Word has length 385 [2024-10-12 20:39:49,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:39:49,928 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 778 transitions. [2024-10-12 20:39:49,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-10-12 20:39:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 778 transitions. [2024-10-12 20:39:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-10-12 20:39:49,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:39:49,933 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:39:49,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 20:39:49,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:39:49,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:39:49,934 INFO L85 PathProgramCache]: Analyzing trace with hash 141198690, now seen corresponding path program 1 times [2024-10-12 20:39:49,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:39:49,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267146428] [2024-10-12 20:39:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:39:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:39:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-12 20:39:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 20:39:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:39:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:39:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 20:39:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 20:39:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 20:39:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:39:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 20:39:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 20:39:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 20:39:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 20:39:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 20:39:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 20:39:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:39:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:39:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:39:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:39:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:39:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:39:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:39:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:39:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:39:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:39:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:39:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:39:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:39:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:39:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:39:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:39:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:39:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:39:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:39:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:39:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:39:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:39:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-12 20:39:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-12 20:39:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-12 20:39:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-12 20:39:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-12 20:39:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-12 20:39:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-12 20:39:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-12 20:39:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-12 20:39:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-12 20:39:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-12 20:39:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-12 20:39:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-12 20:39:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-12 20:39:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-12 20:39:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-12 20:39:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-12 20:39:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-12 20:39:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-10-12 20:39:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-12 20:39:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:39:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5468 trivial. 0 not checked. [2024-10-12 20:39:51,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:39:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267146428] [2024-10-12 20:39:51,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267146428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:39:51,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:39:51,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:39:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842195591] [2024-10-12 20:39:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:39:51,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:39:51,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:39:51,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:39:51,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:39:51,446 INFO L87 Difference]: Start difference. First operand 507 states and 778 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-10-12 20:39:55,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:39:59,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:03,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:07,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:11,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-12 20:40:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:40:13,653 INFO L93 Difference]: Finished difference Result 920 states and 1397 transitions. [2024-10-12 20:40:13,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:40:13,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 385 [2024-10-12 20:40:13,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:40:13,657 INFO L225 Difference]: With dead ends: 920 [2024-10-12 20:40:13,657 INFO L226 Difference]: Without dead ends: 445 [2024-10-12 20:40:13,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-10-12 20:40:13,659 INFO L432 NwaCegarLoop]: 366 mSDtfsCounter, 346 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 295 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2024-10-12 20:40:13,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1043 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 661 Invalid, 5 Unknown, 0 Unchecked, 21.6s Time] [2024-10-12 20:40:13,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-10-12 20:40:13,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 437. [2024-10-12 20:40:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 272 states have (on average 1.2573529411764706) internal successors, (342), 274 states have internal predecessors, (342), 147 states have call successors, (147), 15 states have call predecessors, (147), 17 states have return successors, (155), 147 states have call predecessors, (155), 147 states have call successors, (155) [2024-10-12 20:40:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 644 transitions. [2024-10-12 20:40:13,729 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 644 transitions. Word has length 385 [2024-10-12 20:40:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:40:13,730 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 644 transitions. [2024-10-12 20:40:13,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2024-10-12 20:40:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 644 transitions. [2024-10-12 20:40:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-10-12 20:40:13,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:40:13,733 INFO L215 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:40:13,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 20:40:13,733 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 20:40:13,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:40:13,734 INFO L85 PathProgramCache]: Analyzing trace with hash -705755136, now seen corresponding path program 1 times [2024-10-12 20:40:13,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:40:13,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548862255] [2024-10-12 20:40:13,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:13,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:40:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 20:40:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-12 20:40:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-12 20:40:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-12 20:40:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-12 20:40:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-12 20:40:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-12 20:40:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-12 20:40:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-12 20:40:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-12 20:40:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-12 20:40:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-12 20:40:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-12 20:40:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-12 20:40:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-12 20:40:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-12 20:40:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-12 20:40:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-12 20:40:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-12 20:40:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-12 20:40:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-12 20:40:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-12 20:40:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-12 20:40:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-12 20:40:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-12 20:40:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-12 20:40:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-12 20:40:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-12 20:40:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-12 20:40:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-12 20:40:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-12 20:40:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-12 20:40:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-12 20:40:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-12 20:40:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-12 20:40:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-12 20:40:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-12 20:40:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-12 20:40:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-12 20:40:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-12 20:40:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-12 20:40:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-12 20:40:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-12 20:40:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-12 20:40:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-10-12 20:40:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-12 20:40:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2024-10-12 20:40:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-12 20:40:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-12 20:40:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-12 20:40:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2024-10-12 20:40:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-12 20:40:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-12 20:40:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-12 20:40:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2024-10-12 20:40:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-10-12 20:40:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:40:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5468 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5356 trivial. 0 not checked. [2024-10-12 20:40:14,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:40:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548862255] [2024-10-12 20:40:14,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548862255] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 20:40:14,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279533961] [2024-10-12 20:40:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:40:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 20:40:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:40:14,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 20:40:14,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process