/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 --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=1000 --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-sets/test_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:27:22,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:27:22,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:27:22,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:27:22,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:27:22,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:27:22,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:27:22,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:27:22,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:27:22,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:27:22,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:27:22,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:27:22,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:27:22,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:27:22,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:27:22,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:27:22,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:27:22,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:27:22,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:27:22,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:27:22,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:27:22,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:27:22,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:27:22,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:27:22,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:27:22,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:27:22,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:27:22,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:27:22,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:27:22,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:27:22,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:27:22,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:27:22,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:27:22,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:27:22,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:27:22,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:27:22,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:27:22,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:27:22,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:27:22,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:27:22,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:27:22,835 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 [2020-09-21 12:27:22,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:27:22,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:27:22,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:27:22,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:27:22,885 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:27:22,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:27:22,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:27:22,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:27:22,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:27:22,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:27:22,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:27:22,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:27:22,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:27:22,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:27:22,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:27:22,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:27:22,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:27:22,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:27:22,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:27:22,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:27:22,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:27:22,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:27:22,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:27:22,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:27:22,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:27:22,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:27:22,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:27:22,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:27:22,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:27:22,892 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.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=1000;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=1000;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=1000;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=1000;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:27:23,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:27:23,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:27:23,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:27:23,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:27:23,405 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:27:23,406 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-21 12:27:23,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae98a95/3250d5aadc844bd88997a8d4b5eb9eaa/FLAGf49295f36 [2020-09-21 12:27:24,189 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:27:24,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-21 12:27:24,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae98a95/3250d5aadc844bd88997a8d4b5eb9eaa/FLAGf49295f36 [2020-09-21 12:27:24,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46ae98a95/3250d5aadc844bd88997a8d4b5eb9eaa [2020-09-21 12:27:24,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:27:24,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:27:24,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:27:24,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:27:24,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:27:24,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:27:24" (1/1) ... [2020-09-21 12:27:24,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b30b002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:24, skipping insertion in model container [2020-09-21 12:27:24,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:27:24" (1/1) ... [2020-09-21 12:27:24,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:27:24,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:27:24,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:27:25,008 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:27:25,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:27:25,131 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:27:25,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25 WrapperNode [2020-09-21 12:27:25,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:27:25,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:27:25,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:27:25,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:27:25,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (1/1) ... [2020-09-21 12:27:25,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:27:25,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:27:25,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:27:25,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:27:25,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (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 [2020-09-21 12:27:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:27:25,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-21 12:27:25,295 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-21 12:27:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-21 12:27:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-21 12:27:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-21 12:27:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-21 12:27:25,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-21 12:27:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-21 12:27:25,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-21 12:27:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-21 12:27:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-21 12:27:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-21 12:27:25,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-21 12:27:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-21 12:27:25,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:27:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-21 12:27:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-21 12:27:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 12:27:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 12:27:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 12:27:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 12:27:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 12:27:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 12:27:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 12:27:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 12:27:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 12:27:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 12:27:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 12:27:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 12:27:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 12:27:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 12:27:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 12:27:25,307 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 12:27:25,308 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 12:27:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 12:27:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:27:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 12:27:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 12:27:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 12:27:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 12:27:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 12:27:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:27:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:27:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 12:27:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:27:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-21 12:27:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-21 12:27:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:27:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-21 12:27:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-21 12:27:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-21 12:27:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:27:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-21 12:27:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-21 12:27:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-21 12:27:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-21 12:27:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-21 12:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-21 12:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-21 12:27:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-21 12:27:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:27:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:27:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:27:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-21 12:27:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:27:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:27:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:27:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:27:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:27:25,992 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:27:25,992 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-21 12:27:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:27:25 BoogieIcfgContainer [2020-09-21 12:27:25,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:27:25,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:27:25,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:27:26,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:27:26,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:27:24" (1/3) ... [2020-09-21 12:27:26,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724312cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:27:26, skipping insertion in model container [2020-09-21 12:27:26,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:27:25" (2/3) ... [2020-09-21 12:27:26,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724312cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:27:26, skipping insertion in model container [2020-09-21 12:27:26,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:27:25" (3/3) ... [2020-09-21 12:27:26,008 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-21 12:27:26,020 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:27:26,030 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:27:26,053 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:27:26,084 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:27:26,084 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:27:26,084 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:27:26,085 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:27:26,085 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:27:26,085 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:27:26,085 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:27:26,085 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:27:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-09-21 12:27:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:27:26,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:26,120 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:26,120 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:26,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:26,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1154845074, now seen corresponding path program 1 times [2020-09-21 12:27:26,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:26,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950210567] [2020-09-21 12:27:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:26,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:26,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:26,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:26,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 12:27:26,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:27:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-09-21 12:27:26,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-21 12:27:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:27:26,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:26,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:26,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:26,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:26,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:27:26,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:26,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:26,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:26,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:26,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:27:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:27:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 12:27:27,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:27:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:27,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:27:27,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:27:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:27,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:27:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:27,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:27:27,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:27:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:27,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:27:27,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950210567] [2020-09-21 12:27:27,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:27:27,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:27:27,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045945974] [2020-09-21 12:27:27,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:27:27,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:27,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:27:27,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:27:27,275 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2020-09-21 12:27:27,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:27,513 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2020-09-21 12:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:27:27,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-09-21 12:27:27,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:27,527 INFO L225 Difference]: With dead ends: 108 [2020-09-21 12:27:27,527 INFO L226 Difference]: Without dead ends: 53 [2020-09-21 12:27:27,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:27:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-21 12:27:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-09-21 12:27:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-09-21 12:27:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2020-09-21 12:27:27,593 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 28 [2020-09-21 12:27:27,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:27,593 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2020-09-21 12:27:27,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:27:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-09-21 12:27:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:27:27,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:27,596 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:27,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:27:27,597 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:27,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash 221547774, now seen corresponding path program 1 times [2020-09-21 12:27:27,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:27,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131392436] [2020-09-21 12:27:27,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 12:27:27,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-21 12:27:27,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:27,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:27:27,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:27:27,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:27,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:27:27,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:27,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:27,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:27:27,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:27:27,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 12:27:27,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:27:27,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:27,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 12:27:27,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:27:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:27,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:27,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:27,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:27,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:27:27,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 12:27:27,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:27:27,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131392436] [2020-09-21 12:27:27,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:27,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:27:27,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411740866] [2020-09-21 12:27:27,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:27:27,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:27,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:27:27,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:27:27,972 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 6 states. [2020-09-21 12:27:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:28,326 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2020-09-21 12:27:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:27:28,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-09-21 12:27:28,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:28,331 INFO L225 Difference]: With dead ends: 71 [2020-09-21 12:27:28,332 INFO L226 Difference]: Without dead ends: 57 [2020-09-21 12:27:28,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:27:28,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-09-21 12:27:28,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-09-21 12:27:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-21 12:27:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2020-09-21 12:27:28,347 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2020-09-21 12:27:28,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:28,347 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2020-09-21 12:27:28,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:27:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2020-09-21 12:27:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:27:28,349 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:28,350 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:27:28,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:27:28,350 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:28,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2088028185, now seen corresponding path program 1 times [2020-09-21 12:27:28,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:28,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679680729] [2020-09-21 12:27:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:28,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:28,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:29,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:29,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 12:27:29,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:27:29,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:27:29,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:29,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:27:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 12:27:29,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 12:27:29,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:29,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:29,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:29,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:29,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:27:29,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:29,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:29,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:29,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:29,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:27:29,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 12:27:29,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:27:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:29,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 12:27:29,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:29,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:29,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:29,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:29,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-21 12:27:29,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:27:29,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:29,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:27:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:29,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:29,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:29,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:29,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:29,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 12:27:29,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:29,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:27:29,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:27:29,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:27:29,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:27:29,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679680729] [2020-09-21 12:27:29,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:29,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 12:27:29,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103773393] [2020-09-21 12:27:29,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:27:29,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:29,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:27:29,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:27:29,959 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 11 states. [2020-09-21 12:27:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:30,994 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2020-09-21 12:27:30,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:27:30,995 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2020-09-21 12:27:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:30,997 INFO L225 Difference]: With dead ends: 94 [2020-09-21 12:27:30,997 INFO L226 Difference]: Without dead ends: 87 [2020-09-21 12:27:30,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2020-09-21 12:27:30,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-21 12:27:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 61. [2020-09-21 12:27:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-09-21 12:27:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2020-09-21 12:27:31,013 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 28 [2020-09-21 12:27:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:31,013 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2020-09-21 12:27:31,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:27:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2020-09-21 12:27:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:27:31,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:31,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:31,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:27:31,015 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:31,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:31,015 INFO L82 PathProgramCache]: Analyzing trace with hash -513424880, now seen corresponding path program 1 times [2020-09-21 12:27:31,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:31,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485545964] [2020-09-21 12:27:31,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:31,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:31,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:32,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 12:27:32,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:27:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:27:32,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:27:32,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:27:32,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:32,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:32,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:32,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:32,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:27:32,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:32,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:32,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:32,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:27:32,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:27:32,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:32,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:32,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:32,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:32,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:32,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:32,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:27:32,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:32,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:32,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:32,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:32,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:27:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:32,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:32,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:32,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:27:32,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:27:32,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485545964] [2020-09-21 12:27:32,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:27:32,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:27:32,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281110595] [2020-09-21 12:27:32,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:27:32,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:32,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:27:32,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:27:32,205 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand 6 states. [2020-09-21 12:27:32,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:32,567 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-09-21 12:27:32,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:27:32,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-09-21 12:27:32,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:32,570 INFO L225 Difference]: With dead ends: 73 [2020-09-21 12:27:32,570 INFO L226 Difference]: Without dead ends: 65 [2020-09-21 12:27:32,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:27:32,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-21 12:27:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2020-09-21 12:27:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-09-21 12:27:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2020-09-21 12:27:32,582 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 28 [2020-09-21 12:27:32,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:32,582 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2020-09-21 12:27:32,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:27:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2020-09-21 12:27:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-21 12:27:32,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:32,584 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] [2020-09-21 12:27:32,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:27:32,584 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:32,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:32,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1328825266, now seen corresponding path program 1 times [2020-09-21 12:27:32,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:32,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168137478] [2020-09-21 12:27:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:32,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:33,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:27:33,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:27:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:27:33,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:27:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:27:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:27:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:33,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:33,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:33,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:33,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:27:33,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:27:33,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:33,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:33,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:33,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 12:27:33,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:27:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-21 12:27:33,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:27:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:27:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 12:27:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:33,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:33,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:33,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:33,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 12:27:33,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:27:33,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 12:27:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:33,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:33,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:27:33,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:33,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-21 12:27:33,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:27:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:27:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:27:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:27:34,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168137478] [2020-09-21 12:27:34,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:34,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:27:34,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571596791] [2020-09-21 12:27:34,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:27:34,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:27:34,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:27:34,008 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 8 states. [2020-09-21 12:27:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:34,721 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2020-09-21 12:27:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:27:34,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-09-21 12:27:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:34,723 INFO L225 Difference]: With dead ends: 92 [2020-09-21 12:27:34,723 INFO L226 Difference]: Without dead ends: 71 [2020-09-21 12:27:34,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:27:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-21 12:27:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2020-09-21 12:27:34,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-09-21 12:27:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2020-09-21 12:27:34,736 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 31 [2020-09-21 12:27:34,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:34,736 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2020-09-21 12:27:34,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:27:34,737 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-09-21 12:27:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-21 12:27:34,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:34,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:34,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:27:34,739 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:34,739 INFO L82 PathProgramCache]: Analyzing trace with hash 248987231, now seen corresponding path program 1 times [2020-09-21 12:27:34,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:34,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933072275] [2020-09-21 12:27:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:34,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:35,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-21 12:27:35,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:35,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-09-21 12:27:35,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:27:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:27:35,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:27:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:35,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:35,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:35,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:35,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:35,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:27:35,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:35,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:27:35,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:35,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:36,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:36,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 12:27:36,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:36,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-09-21 12:27:36,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:27:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:27:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 54 [2020-09-21 12:27:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:36,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:36,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:36,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:36,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:27:36,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:36,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:36,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:36,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:27:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:36,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:27:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:36,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:36,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:27:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 12:27:36,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:27:36,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:36,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:36,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:36,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:36,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:27:36,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:36,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:27:36,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:36,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:36,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:36,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:36,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 12:27:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:36,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:37,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:37,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:27:37,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:37,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-21 12:27:37,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:27:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:27:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:37,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:37,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:37,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:37,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:37,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 12:27:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:27:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:27:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:37,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:37,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 12:27:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:27:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:27:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:27:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:27:37,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933072275] [2020-09-21 12:27:37,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:27:37,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-21 12:27:37,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989191586] [2020-09-21 12:27:37,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-21 12:27:37,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:37,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-21 12:27:37,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:27:37,306 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 19 states. [2020-09-21 12:27:38,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:38,540 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2020-09-21 12:27:38,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 12:27:38,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2020-09-21 12:27:38,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:38,543 INFO L225 Difference]: With dead ends: 71 [2020-09-21 12:27:38,543 INFO L226 Difference]: Without dead ends: 64 [2020-09-21 12:27:38,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 12:27:38,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-09-21 12:27:38,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2020-09-21 12:27:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-21 12:27:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-09-21 12:27:38,554 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 48 [2020-09-21 12:27:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:38,554 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-09-21 12:27:38,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-21 12:27:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-09-21 12:27:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:27:38,556 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:38,556 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:38,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:27:38,556 INFO L427 AbstractCegarLoop]: === Iteration 7 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:38,557 INFO L82 PathProgramCache]: Analyzing trace with hash -722435370, now seen corresponding path program 1 times [2020-09-21 12:27:38,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:38,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1874942196] [2020-09-21 12:27:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:38,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:39,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:27:40,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:27:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1562 [2020-09-21 12:27:40,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-21 12:27:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:27:40,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-21 12:27:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:40,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:40,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:40,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:40,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:27:40,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:40,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:27:40,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:40,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:40,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:41,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:41,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 12:27:41,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:41,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:27:41,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 12:27:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 12:27:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:41,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:41,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:41,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:41,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:27:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:41,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:27:41,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:27:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:41,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:41,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:27:41,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:27:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:41,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:27:41,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:41,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:41,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:41,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:27:41,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:27:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:41,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 12:27:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:42,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:42,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:27:42,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-21 12:27:42,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:27:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:27:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 12:27:42,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:42,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:42,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:42,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:42,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 12:27:42,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:27:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:27:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:27:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:42,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:27:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:42,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:42,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:42,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:27:42,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:27:42,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:42,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:27:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:27:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:27:42,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1874942196] [2020-09-21 12:27:42,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:42,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-21 12:27:42,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437045558] [2020-09-21 12:27:42,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-21 12:27:42,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:42,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-21 12:27:42,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2020-09-21 12:27:42,617 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 23 states. [2020-09-21 12:27:44,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:44,829 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-09-21 12:27:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 12:27:44,830 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 51 [2020-09-21 12:27:44,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:44,832 INFO L225 Difference]: With dead ends: 76 [2020-09-21 12:27:44,832 INFO L226 Difference]: Without dead ends: 61 [2020-09-21 12:27:44,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=236, Invalid=1656, Unknown=0, NotChecked=0, Total=1892 [2020-09-21 12:27:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-09-21 12:27:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2020-09-21 12:27:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-21 12:27:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-09-21 12:27:44,843 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 51 [2020-09-21 12:27:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:44,843 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-09-21 12:27:44,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-21 12:27:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-09-21 12:27:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:27:44,845 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:44,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:44,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:27:44,845 INFO L427 AbstractCegarLoop]: === Iteration 8 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:44,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:44,846 INFO L82 PathProgramCache]: Analyzing trace with hash 69575117, now seen corresponding path program 1 times [2020-09-21 12:27:44,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:44,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942698371] [2020-09-21 12:27:44,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:44,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 12:27:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:27:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-09-21 12:27:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 12:27:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:27:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:46,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:27:46,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:46,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:46,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 12:27:46,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-21 12:27:46,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:46,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 12:27:46,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:27:46,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:27:46,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:27:46,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:27:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:27:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:27:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:27:46,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:27:46,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:27:46,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:27:46,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:27:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 12:27:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:27:46,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:27:46,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:27:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:27:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:27:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:46,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:46,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:27:46,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:27:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:27:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 12:27:46,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942698371] [2020-09-21 12:27:46,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:46,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:27:46,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454070296] [2020-09-21 12:27:46,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:27:46,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:46,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:27:46,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:27:46,541 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 8 states. [2020-09-21 12:27:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:46,781 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2020-09-21 12:27:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:27:46,782 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-21 12:27:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:46,783 INFO L225 Difference]: With dead ends: 94 [2020-09-21 12:27:46,783 INFO L226 Difference]: Without dead ends: 55 [2020-09-21 12:27:46,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:27:46,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-21 12:27:46,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-21 12:27:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-21 12:27:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-09-21 12:27:46,804 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 51 [2020-09-21 12:27:46,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:46,805 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-09-21 12:27:46,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:27:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-09-21 12:27:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:27:46,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:27:46,807 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:27:46,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:27:46,807 INFO L427 AbstractCegarLoop]: === Iteration 9 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:27:46,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:27:46,808 INFO L82 PathProgramCache]: Analyzing trace with hash -211390651, now seen corresponding path program 2 times [2020-09-21 12:27:46,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:27:46,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079579093] [2020-09-21 12:27:46,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:27:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:46,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:47,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:47,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:47,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:27:47,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:27:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:27:47,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:27:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:27:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 12:27:47,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:27:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:47,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:47,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:47,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:27:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:47,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:27:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-21 12:27:48,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-09-21 12:27:48,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:27:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:27:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 12:27:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:27:48,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:27:48,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:27:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:48,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:27:48,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:48,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:27:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:27:48,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:27:48,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:48,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:27:48,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:48,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:27:48,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:27:48,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:48,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:48,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:48,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:48,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:27:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:27:48,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:27:48,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:27:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:48,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:27:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:48,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:27:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:27:48,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:27:48,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:27:48,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:48,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:27:48,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:27:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:27:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:27:48,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:27:48,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:27:48,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:27:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:27:48,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:27:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:27:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:27:48,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:27:48,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:27:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-21 12:27:48,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079579093] [2020-09-21 12:27:48,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:27:48,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 12:27:48,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528896038] [2020-09-21 12:27:48,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 12:27:48,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:27:48,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 12:27:48,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:27:48,697 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 11 states. [2020-09-21 12:27:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:27:49,339 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2020-09-21 12:27:49,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 12:27:49,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-09-21 12:27:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:27:49,341 INFO L225 Difference]: With dead ends: 57 [2020-09-21 12:27:49,341 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:27:49,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-09-21 12:27:49,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:27:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:27:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:27:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:27:49,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-09-21 12:27:49,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:27:49,345 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:27:49,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 12:27:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:27:49,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:27:49,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:27:49,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:27:49,828 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-09-21 12:27:50,886 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2020-09-21 12:27:51,161 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-09-21 12:27:51,439 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-09-21 12:27:51,440 INFO L268 CegarLoopResult]: For program point ldv_list_addFINAL(lines 592 595) no Hoare annotation was computed. [2020-09-21 12:27:51,440 INFO L268 CegarLoopResult]: For program point ldv_list_addEXIT(lines 592 595) no Hoare annotation was computed. [2020-09-21 12:27:51,440 INFO L264 CegarLoopResult]: At program point ldv_list_addENTRY(lines 592 595) 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 (<= 0 |~#s1~0.offset|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,441 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |ldv_list_add_#in~head.base| ldv_list_add_~head.base) (= |#memory_int| |old(#memory_int)|) (= |ldv_list_add_#in~new.base| ldv_list_add_~new.base) (= (select (select |old(#memory_$Pointer$.base)| ldv_list_add_~head.base) ldv_list_add_~head.offset) |ldv_list_add_#t~mem5.base|) (= |ldv_list_add_#in~new.offset| ldv_list_add_~new.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |ldv_list_add_#in~head.offset| ldv_list_add_~head.offset)) (not (<= 0 |~#s1~0.offset|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,441 INFO L268 CegarLoopResult]: For program point __ldv_list_delEXIT(lines 587 591) no Hoare annotation was computed. [2020-09-21 12:27:51,441 INFO L268 CegarLoopResult]: For program point __ldv_list_delENTRY(lines 587 591) no Hoare annotation was computed. [2020-09-21 12:27:51,441 INFO L268 CegarLoopResult]: For program point __ldv_list_delFINAL(lines 587 591) no Hoare annotation was computed. [2020-09-21 12:27:51,441 INFO L268 CegarLoopResult]: For program point fooEXIT(lines 652 657) no Hoare annotation was computed. [2020-09-21 12:27:51,442 INFO L264 CegarLoopResult]: At program point fooENTRY(lines 652 657) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (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|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,442 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-09-21 12:27:51,442 INFO L264 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (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|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,442 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-09-21 12:27:51,443 INFO L268 CegarLoopResult]: For program point fooErr0ASSERT_VIOLATIONERROR_FUNCTION(line 656) no Hoare annotation was computed. [2020-09-21 12:27:51,443 INFO L264 CegarLoopResult]: At program point L655-1(line 655) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (let ((.cse0 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|))) (and (<= (+ |~#s1~0.offset| 4) .cse0) (= foo_~j~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (+ .cse0 (- 4)))))) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,443 INFO L268 CegarLoopResult]: For program point L656-2(line 656) no Hoare annotation was computed. [2020-09-21 12:27:51,443 INFO L268 CegarLoopResult]: For program point L656-4(lines 652 657) no Hoare annotation was computed. [2020-09-21 12:27:51,443 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 62 66) no Hoare annotation was computed. [2020-09-21 12:27:51,443 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 62 66) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 62 66) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 67 71) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 67 71) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 67 71) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 553 555) the Hoare annotation is: true [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point L554-2(lines 553 555) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 553 555) no Hoare annotation was computed. [2020-09-21 12:27:51,444 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 658 662) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (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|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 658 662) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 658 662) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADENTRY(lines 573 577) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADFINAL(lines 573 577) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADEXIT(lines 573 577) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point ldv_list_emptyENTRY(lines 604 607) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point ldv_list_emptyEXIT(lines 604 607) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point ldv_list_emptyFINAL(lines 604 607) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point ldv_list_delENTRY(lines 600 603) no Hoare annotation was computed. [2020-09-21 12:27:51,445 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point ldv_list_delFINAL(lines 600 603) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point ldv_list_delEXIT(lines 600 603) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L264 CegarLoopResult]: At program point ldv_successful_mallocENTRY(lines 564 568) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (not (= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point ldv_successful_mallocEXIT(lines 564 568) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point ldv_successful_mallocFINAL(lines 564 568) no Hoare annotation was computed. [2020-09-21 12:27:51,446 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (and (<= 0 ldv_successful_malloc_~ptr~0.offset) (<= (+ ldv_successful_malloc_~ptr~0.base 1) |#StackHeapBarrier|) (<= ldv_successful_malloc_~ptr~0.offset 0)) (not (<= 0 |~#s1~0.offset|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,446 INFO L268 CegarLoopResult]: For program point L566-1(line 566) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L264 CegarLoopResult]: At program point __ldv_list_addENTRY(lines 578 586) 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 (<= 0 |~#s1~0.offset|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point __ldv_list_addFINAL(lines 578 586) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point __ldv_list_addEXIT(lines 578 586) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_mallocENTRY(lines 557 563) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 557 563) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 557 563) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_set_emptyENTRY(lines 648 650) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_set_emptyEXIT(lines 648 650) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-09-21 12:27:51,447 INFO L268 CegarLoopResult]: For program point ldv_set_emptyFINAL(lines 648 650) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |~#s1~0.base| |old(~#s1~0.base)|) (= |old(#length)| |#length|) (= |~#s1~0.offset| |old(~#s1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailFINAL(lines 596 599) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailENTRY(lines 596 599) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailEXIT(lines 596 599) no Hoare annotation was computed. [2020-09-21 12:27:51,448 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point L633(lines 633 636) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 637) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point L632-3(lines 632 637) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point L632-4(lines 629 638) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point ldv_set_delEXIT(lines 629 638) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point ldv_set_delENTRY(lines 629 638) no Hoare annotation was computed. [2020-09-21 12:27:51,449 INFO L268 CegarLoopResult]: For program point ldv_init_setEXIT(lines 614 616) no Hoare annotation was computed. [2020-09-21 12:27:51,450 INFO L268 CegarLoopResult]: For program point ldv_init_setENTRY(lines 614 616) no Hoare annotation was computed. [2020-09-21 12:27:51,450 INFO L268 CegarLoopResult]: For program point ldv_init_setFINAL(lines 614 616) no Hoare annotation was computed. [2020-09-21 12:27:51,450 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-09-21 12:27:51,450 INFO L268 CegarLoopResult]: For program point ldv_set_addEXIT(lines 621 628) no Hoare annotation was computed. [2020-09-21 12:27:51,450 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (let ((.cse0 (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|)) (.cse1 (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|)) (.cse2 (= ldv_set_add_~new |ldv_set_add_#in~new|))) (or (and (or (= (select (select |#memory_$Pointer$.base| ldv_set_add_~s.base) ldv_set_add_~s.offset) |ldv_set_add_#in~s.base|) (<= (+ |ldv_set_add_#in~s.base| 1) |#StackHeapBarrier|)) .cse0 .cse1 .cse2 (<= (+ ldv_set_add_~le~0.base 1) |#StackHeapBarrier|) (= (select (select |#memory_int| ldv_set_add_~le~0.base) ldv_set_add_~le~0.offset) |ldv_set_add_#in~new|) (= ldv_set_add_~le~0.offset 0)) (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (and .cse0 .cse1 (<= 0 ldv_set_add_~le~0.offset) .cse2 (or (not (= (select (select |old(#memory_$Pointer$.offset)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|) 0)) (not (= |ldv_set_add_#in~s.base| (select (select |old(#memory_$Pointer$.base)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|))) (not (= 0 |ldv_set_add_#in~s.offset|)))) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0)))) [2020-09-21 12:27:51,450 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|) (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|) (= ldv_set_add_~new |ldv_set_add_#in~new|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,450 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-09-21 12:27:51,451 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|) (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|) (= ldv_set_add_~new |ldv_set_add_#in~new|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,451 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-09-21 12:27:51,451 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-09-21 12:27:51,451 INFO L268 CegarLoopResult]: For program point L622-3(lines 621 628) no Hoare annotation was computed. [2020-09-21 12:27:51,451 INFO L264 CegarLoopResult]: At program point ldv_set_addENTRY(lines 621 628) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (<= 0 |~#s1~0.offset|)) (not (= (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|) 0)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (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|)) (not (<= |~#s1~0.offset| 0))) [2020-09-21 12:27:51,451 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:27:51,451 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|) 0) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-09-21 12:27:51,452 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:27:51,452 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:27:51,452 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 645) no Hoare annotation was computed. [2020-09-21 12:27:51,452 INFO L268 CegarLoopResult]: For program point ldv_is_in_setEXIT(lines 639 647) no Hoare annotation was computed. [2020-09-21 12:27:51,452 INFO L264 CegarLoopResult]: At program point L641-3(lines 641 645) the Hoare annotation is: (let ((.cse13 (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|))) (let ((.cse14 (+ ldv_is_in_set_~m~1.offset 4)) (.cse12 (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base)) (.cse15 (select .cse13 |ldv_is_in_set_#in~s.offset|)) (.cse16 (select (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|) |ldv_is_in_set_#in~s.offset|))) (let ((.cse0 (not (<= 0 |~#s1~0.offset|))) (.cse9 (not (= |ldv_is_in_set_#in~s.base| .cse16))) (.cse10 (not (= .cse15 |ldv_is_in_set_#in~s.offset|))) (.cse4 (= (select .cse12 ldv_is_in_set_~s.offset) ldv_is_in_set_~m~1.base)) (.cse5 (= (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset) .cse14)) (.cse11 (not (= (select (select |#memory_int| .cse16) (+ .cse15 (- 4))) |ldv_is_in_set_#in~e|))) (.cse1 (= |ldv_is_in_set_#in~e| ldv_is_in_set_~e)) (.cse2 (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset)) (.cse3 (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base)) (.cse6 (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|))) (.cse8 (not (<= |~#s1~0.offset| 0))) (.cse7 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|))) (and (or (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 (not (= .cse7 0)) .cse8 (and (or .cse9 .cse10) .cse11)) (or .cse0 (and (or .cse9 .cse10 (and .cse2 .cse3 .cse4 .cse5)) .cse11) (and .cse1 (= (select .cse12 |ldv_is_in_set_#in~s.offset|) ldv_is_in_set_~m~1.base) .cse2 .cse3 (<= (select .cse13 ldv_is_in_set_~s.offset) .cse14) (<= .cse14 .cse15)) .cse6 .cse8 (not (<= (+ |~#s1~0.offset| 4) .cse7))))))) [2020-09-21 12:27:51,452 INFO L268 CegarLoopResult]: For program point L641-4(lines 641 645) no Hoare annotation was computed. [2020-09-21 12:27:51,453 INFO L271 CegarLoopResult]: At program point ldv_is_in_setENTRY(lines 639 647) the Hoare annotation is: true [2020-09-21 12:27:51,453 INFO L268 CegarLoopResult]: For program point ldv_is_in_setFINAL(lines 639 647) no Hoare annotation was computed. [2020-09-21 12:27:51,453 INFO L268 CegarLoopResult]: For program point L642(lines 642 644) no Hoare annotation was computed. [2020-09-21 12:27:51,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,470 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,476 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,478 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:27:51 BoogieIcfgContainer [2020-09-21 12:27:51,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:27:51,501 INFO L168 Benchmark]: Toolchain (without parser) took 27114.53 ms. Allocated memory was 140.5 MB in the beginning and 471.9 MB in the end (delta: 331.4 MB). Free memory was 102.4 MB in the beginning and 134.9 MB in the end (delta: -32.4 MB). Peak memory consumption was 298.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:27:51,502 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:27:51,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.35 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 166.9 MB in the end (delta: -65.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:27:51,503 INFO L168 Benchmark]: Boogie Preprocessor took 87.47 ms. Allocated memory is still 204.5 MB. Free memory was 166.9 MB in the beginning and 163.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:27:51,504 INFO L168 Benchmark]: RCFGBuilder took 776.95 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 106.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:27:51,505 INFO L168 Benchmark]: TraceAbstraction took 25500.09 ms. Allocated memory was 204.5 MB in the beginning and 471.9 MB in the end (delta: 267.4 MB). Free memory was 105.6 MB in the beginning and 134.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 238.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:27:51,508 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.35 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 166.9 MB in the end (delta: -65.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.47 ms. Allocated memory is still 204.5 MB. Free memory was 166.9 MB in the beginning and 163.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 776.95 ms. Allocated memory is still 204.5 MB. Free memory was 163.6 MB in the beginning and 106.3 MB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25500.09 ms. Allocated memory was 204.5 MB in the beginning and 471.9 MB in the end (delta: 267.4 MB). Free memory was 105.6 MB in the beginning and 134.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 238.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 656]: 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 - InvariantResult [Line: 641]: Loop Invariant [2020-09-21 12:27:51,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,531 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,532 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,533 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,533 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,534 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,535 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,536 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,537 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,538 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,539 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,540 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,542 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,545 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,546 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,547 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,548 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-21 12:27:51,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-21 12:27:51,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,555 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-21 12:27:51,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-21 12:27:51,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-09-21 12:27:51,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((!(s1 == #memory_$Pointer$[s1][s1]) || !(0 <= s1)) || ((((\old(e) == e && s == s) && s == s) && #memory_$Pointer$[s][s] == m) && #memory_$Pointer$[s][s] == m + 4)) || !(unknown-#StackHeapBarrier-unknown + 1 <= s1)) || !(#memory_$Pointer$[s1][s1] == 0)) || !(s1 <= 0)) || ((!(s == #memory_$Pointer$[s][s]) || !(#memory_$Pointer$[s][s] == s)) && !(unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + -4] == \old(e)))) && (((((!(0 <= s1) || (((!(s == #memory_$Pointer$[s][s]) || !(#memory_$Pointer$[s][s] == s)) || (((s == s && s == s) && #memory_$Pointer$[s][s] == m) && #memory_$Pointer$[s][s] == m + 4)) && !(unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + -4] == \old(e)))) || (((((\old(e) == e && #memory_$Pointer$[s][s] == m) && s == s) && s == s) && #memory_$Pointer$[s][s] <= m + 4) && m + 4 <= #memory_$Pointer$[s][s])) || !(unknown-#StackHeapBarrier-unknown + 1 <= s1)) || !(s1 <= 0)) || !(s1 + 4 <= #memory_$Pointer$[s1][s1])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.2s, OverallIterations: 9, TraceHistogramMax: 2, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 354 SDtfs, 800 SDslu, 526 SDs, 0 SdLazy, 2442 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 78 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 47 PreInvPairs, 56 NumberOfFragments, 894 HoareAnnotationTreeSize, 47 FomulaSimplifications, 1134 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 19 FomulaSimplificationsInter, 3045 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 347 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 106092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 33/57 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...