/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:17:28,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:17:28,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:17:28,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:17:28,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:17:28,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:17:28,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:17:28,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:17:28,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:17:28,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:17:28,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:17:28,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:17:28,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:17:28,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:17:28,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:17:28,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:17:28,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:17:28,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:17:28,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:17:28,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:17:28,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:17:28,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:17:28,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:17:28,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:17:28,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:17:28,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:17:28,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:17:28,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:17:28,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:17:28,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:17:28,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:17:28,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:17:28,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:17:28,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:17:28,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:17:28,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:17:28,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:17:28,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:17:28,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:17:28,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:17:28,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:17:28,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 18:17:28,533 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:17:28,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:17:28,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:17:28,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:17:28,536 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:17:28,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:17:28,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:17:28,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:17:28,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:17:28,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:17:28,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:17:28,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:17:28,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:17:28,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:17:28,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:17:28,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:17:28,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:17:28,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:17:28,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:17:28,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:17:28,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:17:28,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:17:28,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:17:28,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:17:28,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:17:28,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:17:28,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:17:28,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:17:28,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:17:28,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 18:17:28,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:17:29,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:17:29,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:17:29,014 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:17:29,014 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:17:29,015 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2020-09-24 18:17:29,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805c2a54/6384eb17d6fb426a9f4bb7eefe27881d/FLAG3650eb8ff [2020-09-24 18:17:29,764 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:17:29,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list.i [2020-09-24 18:17:29,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805c2a54/6384eb17d6fb426a9f4bb7eefe27881d/FLAG3650eb8ff [2020-09-24 18:17:30,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3805c2a54/6384eb17d6fb426a9f4bb7eefe27881d [2020-09-24 18:17:30,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:17:30,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:17:30,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:30,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:17:30,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:17:30,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c10802c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30, skipping insertion in model container [2020-09-24 18:17:30,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:17:30,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:17:30,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:30,627 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:17:30,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:17:30,732 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:17:30,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30 WrapperNode [2020-09-24 18:17:30,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:17:30,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:17:30,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:17:30,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:17:30,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... [2020-09-24 18:17:30,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:17:30,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:17:30,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:17:30,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:17:30,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:17:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:17:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:17:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 18:17:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-24 18:17:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-24 18:17:30,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:17:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 18:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-24 18:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-24 18:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-24 18:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-24 18:17:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-24 18:17:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-24 18:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-24 18:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-24 18:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-24 18:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-24 18:17:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-24 18:17:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-24 18:17:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-24 18:17:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-24 18:17:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-24 18:17:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-24 18:17:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-24 18:17:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-24 18:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-24 18:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-24 18:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-24 18:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-24 18:17:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-24 18:17:30,896 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-24 18:17:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-24 18:17:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-24 18:17:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-24 18:17:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-24 18:17:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-24 18:17:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-24 18:17:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-24 18:17:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-24 18:17:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-24 18:17:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-24 18:17:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-24 18:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-24 18:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-24 18:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-24 18:17:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-24 18:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:17:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-24 18:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:17:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:17:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:17:31,439 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:17:31,440 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 18:17:31,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:31 BoogieIcfgContainer [2020-09-24 18:17:31,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:17:31,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:17:31,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:17:31,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:17:31,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:17:30" (1/3) ... [2020-09-24 18:17:31,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4710b17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:31, skipping insertion in model container [2020-09-24 18:17:31,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:17:30" (2/3) ... [2020-09-24 18:17:31,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4710b17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:17:31, skipping insertion in model container [2020-09-24 18:17:31,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:17:31" (3/3) ... [2020-09-24 18:17:31,456 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2020-09-24 18:17:31,468 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:17:31,480 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:17:31,504 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:17:31,538 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:17:31,538 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:17:31,538 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:17:31,539 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:17:31,539 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:17:31,539 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:17:31,539 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:17:31,539 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:17:31,564 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 18:17:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-24 18:17:31,571 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:31,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:17:31,572 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:31,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:31,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1815251874, now seen corresponding path program 1 times [2020-09-24 18:17:31,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:31,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207849594] [2020-09-24 18:17:31,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 18:17:32,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-09-24 18:17:32,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 18:17:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 18:17:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 18:17:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:17:32,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:32,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:32,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:17:32,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:32,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 18:17:32,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:32,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:32,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:32,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207849594] [2020-09-24 18:17:32,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:32,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:17:32,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425430413] [2020-09-24 18:17:32,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:17:32,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:17:32,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:17:32,504 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 7 states. [2020-09-24 18:17:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:32,831 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2020-09-24 18:17:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 18:17:32,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-09-24 18:17:32,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:32,847 INFO L225 Difference]: With dead ends: 77 [2020-09-24 18:17:32,847 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 18:17:32,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 18:17:32,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 18:17:32,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 18:17:32,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 18:17:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2020-09-24 18:17:32,903 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 23 [2020-09-24 18:17:32,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:32,904 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2020-09-24 18:17:32,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:17:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2020-09-24 18:17:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-24 18:17:32,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:32,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:17:32,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:17:32,906 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:32,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:32,907 INFO L82 PathProgramCache]: Analyzing trace with hash -953108253, now seen corresponding path program 1 times [2020-09-24 18:17:32,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:32,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043112562] [2020-09-24 18:17:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:32,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:33,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:33,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 18:17:33,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-24 18:17:33,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 18:17:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 18:17:33,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 18:17:33,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:33,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:33,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:17:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 18:17:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:33,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 18:17:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:33,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:33,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:33,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:33,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:33,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 18:17:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 18:17:33,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:33,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043112562] [2020-09-24 18:17:33,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:17:33,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 18:17:33,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136703496] [2020-09-24 18:17:33,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:17:33,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:33,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:17:33,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:17:33,665 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 10 states. [2020-09-24 18:17:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:34,235 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-09-24 18:17:34,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 18:17:34,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-09-24 18:17:34,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:34,237 INFO L225 Difference]: With dead ends: 44 [2020-09-24 18:17:34,238 INFO L226 Difference]: Without dead ends: 41 [2020-09-24 18:17:34,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:17:34,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-24 18:17:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-09-24 18:17:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-09-24 18:17:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2020-09-24 18:17:34,248 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 31 [2020-09-24 18:17:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:34,249 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2020-09-24 18:17:34,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:17:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2020-09-24 18:17:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-24 18:17:34,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:17:34,252 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-24 18:17:34,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:17:34,252 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:17:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:17:34,253 INFO L82 PathProgramCache]: Analyzing trace with hash 609934341, now seen corresponding path program 1 times [2020-09-24 18:17:34,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:17:34,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871119356] [2020-09-24 18:17:34,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:17:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:34,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:34,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 18:17:34,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:34,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-09-24 18:17:34,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 18:17:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 18:17:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 18:17:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:34,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:17:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:34,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:34,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 18:17:34,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 18:17:34,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:34,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:17:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 18:17:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:34,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:34,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:34,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:17:34,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 18:17:34,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:17:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:17:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 18:17:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:17:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:17:34,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:17:34,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 18:17:34,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:17:34,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 18:17:34,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:17:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:17:35,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871119356] [2020-09-24 18:17:35,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 18:17:35,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 18:17:35,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835416976] [2020-09-24 18:17:35,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 18:17:35,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:17:35,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 18:17:35,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-24 18:17:35,036 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 10 states. [2020-09-24 18:17:35,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:17:35,505 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2020-09-24 18:17:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 18:17:35,506 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-09-24 18:17:35,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:17:35,507 INFO L225 Difference]: With dead ends: 41 [2020-09-24 18:17:35,507 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 18:17:35,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-09-24 18:17:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 18:17:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 18:17:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 18:17:35,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 18:17:35,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-09-24 18:17:35,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:17:35,509 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 18:17:35,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 18:17:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 18:17:35,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 18:17:35,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:17:35,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 18:17:35,702 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-24 18:17:35,703 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-24 18:17:35,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 876) no Hoare annotation was computed. [2020-09-24 18:17:35,703 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-24 18:17:35,703 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-09-24 18:17:35,703 INFO L268 CegarLoopResult]: For program point L876-2(line 876) no Hoare annotation was computed. [2020-09-24 18:17:35,704 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(~#head~0.base)| |~#head~0.base|) (= |old(#length)| |#length|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-24 18:17:35,704 INFO L268 CegarLoopResult]: For program point L876-3(line 876) no Hoare annotation was computed. [2020-09-24 18:17:35,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:35,705 INFO L268 CegarLoopResult]: For program point list_delFINAL(lines 871 874) no Hoare annotation was computed. [2020-09-24 18:17:35,705 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 871 874) no Hoare annotation was computed. [2020-09-24 18:17:35,705 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-24 18:17:35,705 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-24 18:17:35,705 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 871 874) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) (+ |list_del_#in~entry.offset| 8)) 1))) [2020-09-24 18:17:35,705 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-24 18:17:35,706 INFO L264 CegarLoopResult]: At program point L872-3(line 872) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) (+ |list_del_#in~entry.offset| 8)) 1)) [2020-09-24 18:17:35,706 INFO L268 CegarLoopResult]: For program point L872-4(line 872) no Hoare annotation was computed. [2020-09-24 18:17:35,706 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 866 869) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) [2020-09-24 18:17:35,706 INFO L264 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point list_addFINAL(lines 866 869) no Hoare annotation was computed. [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 866 869) no Hoare annotation was computed. [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-24 18:17:35,707 INFO L268 CegarLoopResult]: For program point L866(lines 866 869) no Hoare annotation was computed. [2020-09-24 18:17:35,708 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-09-24 18:17:35,708 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-24 18:17:35,708 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-24 18:17:35,708 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-24 18:17:35,708 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-24 18:17:35,708 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 18:17:35,709 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 18:17:35,709 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 18:17:35,709 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 18:17:35,709 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 878 888) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-24 18:17:35,709 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 878 888) no Hoare annotation was computed. [2020-09-24 18:17:35,710 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) [2020-09-24 18:17:35,710 INFO L264 CegarLoopResult]: At program point L883(line 883) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 1) [2020-09-24 18:17:35,710 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-09-24 18:17:35,710 INFO L268 CegarLoopResult]: For program point L881(lines 881 886) no Hoare annotation was computed. [2020-09-24 18:17:35,710 INFO L264 CegarLoopResult]: At program point L882-1(line 882) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) [2020-09-24 18:17:35,710 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-09-24 18:17:35,711 INFO L268 CegarLoopResult]: For program point L881-1(lines 881 886) no Hoare annotation was computed. [2020-09-24 18:17:35,711 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-09-24 18:17:35,711 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 878 888) no Hoare annotation was computed. [2020-09-24 18:17:35,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:17:35 BoogieIcfgContainer [2020-09-24 18:17:35,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:17:35,723 INFO L168 Benchmark]: Toolchain (without parser) took 5669.80 ms. Allocated memory was 141.0 MB in the beginning and 246.4 MB in the end (delta: 105.4 MB). Free memory was 102.7 MB in the beginning and 116.0 MB in the end (delta: -13.3 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:35,724 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:17:35,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.63 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 169.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:35,726 INFO L168 Benchmark]: Boogie Preprocessor took 64.12 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 167.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:35,727 INFO L168 Benchmark]: RCFGBuilder took 646.55 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 122.6 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:35,728 INFO L168 Benchmark]: TraceAbstraction took 4272.85 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 122.6 MB in the beginning and 116.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2020-09-24 18:17:35,732 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.63 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 169.6 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.12 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 167.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 646.55 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 122.6 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4272.85 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 122.6 MB in the beginning and 116.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 119 SDslu, 181 SDs, 0 SdLazy, 472 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 21 PreInvPairs, 23 NumberOfFragments, 127 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 11309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...