/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --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-c90d42b [2020-09-25 00:59:00,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:59:00,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:59:00,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:59:00,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:59:00,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:59:00,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:59:00,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:59:00,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:59:00,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:59:00,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:59:00,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:59:00,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:59:00,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:59:00,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:59:00,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:59:00,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:59:00,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:59:00,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:59:00,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:59:00,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:59:00,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:59:00,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:59:00,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:59:00,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:59:00,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:59:00,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:59:00,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:59:00,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:59:00,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:59:00,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:59:00,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:59:00,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:59:00,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:59:00,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:59:00,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:59:00,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:59:00,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:59:00,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:59:00,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:59:00,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:59:00,408 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 [2020-09-25 00:59:00,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:59:00,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:59:00,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:59:00,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:59:00,461 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:59:00,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:59:00,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:59:00,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:59:00,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:59:00,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:59:00,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:59:00,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:59:00,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:59:00,465 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:59:00,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:59:00,465 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:59:00,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:59:00,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:59:00,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:59:00,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:59:00,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:59:00,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:59:00,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:59:00,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:59:00,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:59:00,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:59:00,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:59:00,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:59:00,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:59:00,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 00:59:00,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:59:00,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:59:00,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:59:00,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:59:00,934 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:59:00,935 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 00:59:01,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81286adaa/f700637ae06f481bb6c3fbd09c34ad37/FLAG046ccfdbe [2020-09-25 00:59:01,691 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:59:01,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-09-25 00:59:01,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81286adaa/f700637ae06f481bb6c3fbd09c34ad37/FLAG046ccfdbe [2020-09-25 00:59:01,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81286adaa/f700637ae06f481bb6c3fbd09c34ad37 [2020-09-25 00:59:01,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:59:01,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:59:01,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:59:01,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:59:01,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:59:01,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:59:01" (1/1) ... [2020-09-25 00:59:01,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c48730d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:01, skipping insertion in model container [2020-09-25 00:59:01,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:59:01" (1/1) ... [2020-09-25 00:59:01,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:59:02,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:59:02,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:59:02,559 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:59:02,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:59:02,702 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:59:02,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02 WrapperNode [2020-09-25 00:59:02,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:59:02,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:59:02,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:59:02,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:59:02,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (1/1) ... [2020-09-25 00:59:02,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:59:02,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:59:02,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:59:02,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:59:02,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (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 [2020-09-25 00:59:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:59:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:59:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 00:59:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 00:59:02,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-09-25 00:59:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-09-25 00:59:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-09-25 00:59:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-09-25 00:59:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-09-25 00:59:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-09-25 00:59:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 00:59:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-09-25 00:59:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-09-25 00:59:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-09-25 00:59:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-09-25 00:59:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:59:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 00:59:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 00:59:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 00:59:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 00:59:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 00:59:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 00:59:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 00:59:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 00:59:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 00:59:02,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 00:59:02,877 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 00:59:02,878 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 00:59:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 00:59:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 00:59:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 00:59:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 00:59:02,883 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 00:59:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 00:59:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 00:59:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 00:59:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 00:59:02,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 00:59:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 00:59:02,886 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 00:59:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-09-25 00:59:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-09-25 00:59:02,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:59:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:59:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:59:03,685 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:59:03,685 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 00:59:03,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:59:03 BoogieIcfgContainer [2020-09-25 00:59:03,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:59:03,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:59:03,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:59:03,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:59:03,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:59:01" (1/3) ... [2020-09-25 00:59:03,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef0ddad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:59:03, skipping insertion in model container [2020-09-25 00:59:03,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:59:02" (2/3) ... [2020-09-25 00:59:03,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef0ddad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:59:03, skipping insertion in model container [2020-09-25 00:59:03,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:59:03" (3/3) ... [2020-09-25 00:59:03,707 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-09-25 00:59:03,720 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:59:03,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:59:03,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:59:03,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:59:03,805 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:59:03,805 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:59:03,805 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:59:03,805 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:59:03,805 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:59:03,806 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:59:03,806 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:59:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-09-25 00:59:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-25 00:59:03,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:03,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-09-25 00:59:03,845 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:03,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:03,853 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times [2020-09-25 00:59:03,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:03,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782868808] [2020-09-25 00:59:03,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:04,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:04,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:04,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 00:59:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-25 00:59:04,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 00:59:04,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:04,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:59:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:04,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:04,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:04,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:04,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 00:59:04,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:04,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:04,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:04,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:04,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:04,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:59:04,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:04,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 00:59:04,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:04,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:59:04,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:04,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:04,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:04,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:04,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:59:04,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:04,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:59:04,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:04,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:59:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:04,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-25 00:59:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:04,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:04,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:04,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:59:04,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 00:59:04,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:04,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 00:59:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:59:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 00:59:04,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782868808] [2020-09-25 00:59:04,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:04,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 00:59:04,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791900953] [2020-09-25 00:59:04,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:59:04,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:59:04,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:59:04,879 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states. [2020-09-25 00:59:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:05,500 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions. [2020-09-25 00:59:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 00:59:05,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-25 00:59:05,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:05,518 INFO L225 Difference]: With dead ends: 184 [2020-09-25 00:59:05,518 INFO L226 Difference]: Without dead ends: 95 [2020-09-25 00:59:05,524 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 [2020-09-25 00:59:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-25 00:59:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2020-09-25 00:59:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-25 00:59:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2020-09-25 00:59:05,625 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50 [2020-09-25 00:59:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:05,625 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2020-09-25 00:59:05,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:59:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2020-09-25 00:59:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 00:59:05,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:05,630 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-09-25 00:59:05,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:59:05,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:05,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:05,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times [2020-09-25 00:59:05,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:05,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399703559] [2020-09-25 00:59:05,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:05,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:09,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 00:59:09,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:59:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4177 [2020-09-25 00:59:09,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 00:59:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:59:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 00:59:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:09,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:09,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:09,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:59:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:10,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:10,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 00:59:10,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:10,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-25 00:59:10,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:59:10,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:10,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 00:59:10,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:10,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:10,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 00:59:10,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 00:59:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:59:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:10,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:59:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:10,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:10,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:10,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 00:59:10,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:10,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 00:59:10,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 00:59:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 00:59:10,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 00:59:10,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 00:59:10,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399703559] [2020-09-25 00:59:10,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:10,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 00:59:10,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257329912] [2020-09-25 00:59:10,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 00:59:10,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:10,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 00:59:10,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:59:10,921 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 16 states. [2020-09-25 00:59:11,422 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-09-25 00:59:11,575 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2020-09-25 00:59:11,763 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-09-25 00:59:11,942 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-09-25 00:59:12,140 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-09-25 00:59:12,512 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-09-25 00:59:13,269 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-09-25 00:59:13,458 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-09-25 00:59:13,742 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-09-25 00:59:14,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:14,337 INFO L93 Difference]: Finished difference Result 165 states and 175 transitions. [2020-09-25 00:59:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 00:59:14,344 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 53 [2020-09-25 00:59:14,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:14,350 INFO L225 Difference]: With dead ends: 165 [2020-09-25 00:59:14,350 INFO L226 Difference]: Without dead ends: 157 [2020-09-25 00:59:14,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=245, Invalid=945, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 00:59:14,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-25 00:59:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 111. [2020-09-25 00:59:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-25 00:59:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2020-09-25 00:59:14,387 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 53 [2020-09-25 00:59:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:14,388 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2020-09-25 00:59:14,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 00:59:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-09-25 00:59:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-25 00:59:14,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:14,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2020-09-25 00:59:14,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:59:14,391 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:14,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times [2020-09-25 00:59:14,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:14,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799116788] [2020-09-25 00:59:14,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:14,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:14,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:14,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:19,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:19,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 00:59:19,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:59:19,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 00:59:19,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:19,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:19,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-25 00:59:19,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:19,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:19,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:59:19,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:19,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:19,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:19,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:19,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:19,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 00:59:19,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:19,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:59:19,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:19,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:19,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:19,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:19,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:19,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:19,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:19,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:19,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:59:19,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:19,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:19,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:19,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:59:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:19,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:19,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:19,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:19,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:19,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 00:59:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:59:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:59:19,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-25 00:59:19,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799116788] [2020-09-25 00:59:19,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:59:19,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:59:19,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292043566] [2020-09-25 00:59:19,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:59:19,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:19,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:59:19,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:59:19,581 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand 6 states. [2020-09-25 00:59:19,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:19,965 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2020-09-25 00:59:19,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 00:59:19,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-09-25 00:59:19,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:19,970 INFO L225 Difference]: With dead ends: 125 [2020-09-25 00:59:19,970 INFO L226 Difference]: Without dead ends: 114 [2020-09-25 00:59:19,972 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 [2020-09-25 00:59:19,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-25 00:59:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2020-09-25 00:59:19,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-25 00:59:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2020-09-25 00:59:19,994 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 56 [2020-09-25 00:59:19,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:19,994 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2020-09-25 00:59:19,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:59:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-09-25 00:59:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-25 00:59:19,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:20,000 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1] [2020-09-25 00:59:20,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:59:20,000 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1384075336, now seen corresponding path program 1 times [2020-09-25 00:59:20,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:20,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217025744] [2020-09-25 00:59:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:20,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:25,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:25,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 00:59:25,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:59:25,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 00:59:25,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-25 00:59:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:59:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 00:59:25,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:25,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:25,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:25,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:25,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:25,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:59:25,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:25,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:25,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:25,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 00:59:25,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-09-25 00:59:25,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:25,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 00:59:25,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:25,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 00:59:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:25,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:25,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 00:59:25,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:25,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 00:59:25,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:59:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:25,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:59:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:25,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:59:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:25,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:25,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:25,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:59:25,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 00:59:25,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 00:59:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:59:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 00:59:25,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-25 00:59:25,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217025744] [2020-09-25 00:59:25,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:25,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 00:59:25,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034239862] [2020-09-25 00:59:25,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 00:59:25,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:25,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 00:59:25,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:59:25,758 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand 16 states. [2020-09-25 00:59:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:27,789 INFO L93 Difference]: Finished difference Result 174 states and 182 transitions. [2020-09-25 00:59:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 00:59:27,790 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 61 [2020-09-25 00:59:27,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:27,792 INFO L225 Difference]: With dead ends: 174 [2020-09-25 00:59:27,792 INFO L226 Difference]: Without dead ends: 144 [2020-09-25 00:59:27,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=309, Invalid=1251, Unknown=0, NotChecked=0, Total=1560 [2020-09-25 00:59:27,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-09-25 00:59:27,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2020-09-25 00:59:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-25 00:59:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2020-09-25 00:59:27,819 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 61 [2020-09-25 00:59:27,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:27,819 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2020-09-25 00:59:27,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 00:59:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2020-09-25 00:59:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 00:59:27,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:27,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 00:59:27,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:59:27,821 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:27,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:27,822 INFO L82 PathProgramCache]: Analyzing trace with hash -913807508, now seen corresponding path program 2 times [2020-09-25 00:59:27,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:27,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983902615] [2020-09-25 00:59:27,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:27,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:27,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:28,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:32,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:32,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 00:59:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:59:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5126 [2020-09-25 00:59:32,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 00:59:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:59:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 00:59:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:33,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:33,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:33,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:33,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:33,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:59:33,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:33,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:33,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:33,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:33,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:33,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 00:59:33,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-25 00:59:33,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 00:59:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:33,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 00:59:33,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:33,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:33,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:33,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:33,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 00:59:33,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 00:59:33,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 00:59:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:33,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 00:59:33,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 00:59:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:33,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:33,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:33,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 00:59:33,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:33,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:59:33,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:59:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 00:59:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 00:59:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:59:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-25 00:59:33,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983902615] [2020-09-25 00:59:33,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:33,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 00:59:33,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059422508] [2020-09-25 00:59:33,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 00:59:33,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:33,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 00:59:33,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-25 00:59:33,829 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand 16 states. [2020-09-25 00:59:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:37,360 INFO L93 Difference]: Finished difference Result 180 states and 189 transitions. [2020-09-25 00:59:37,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-25 00:59:37,360 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 69 [2020-09-25 00:59:37,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:37,363 INFO L225 Difference]: With dead ends: 180 [2020-09-25 00:59:37,363 INFO L226 Difference]: Without dead ends: 172 [2020-09-25 00:59:37,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=414, Invalid=1656, Unknown=0, NotChecked=0, Total=2070 [2020-09-25 00:59:37,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-09-25 00:59:37,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 124. [2020-09-25 00:59:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-25 00:59:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 130 transitions. [2020-09-25 00:59:37,379 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 130 transitions. Word has length 69 [2020-09-25 00:59:37,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:37,380 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 130 transitions. [2020-09-25 00:59:37,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 00:59:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2020-09-25 00:59:37,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-09-25 00:59:37,381 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:37,381 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 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] [2020-09-25 00:59:37,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:59:37,382 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:37,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:37,382 INFO L82 PathProgramCache]: Analyzing trace with hash -10832752, now seen corresponding path program 3 times [2020-09-25 00:59:37,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:37,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131189350] [2020-09-25 00:59:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:37,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:40,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:42,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:42,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:42,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-25 00:59:42,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:59:42,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 00:59:42,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-25 00:59:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:59:42,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 00:59:42,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:42,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:42,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:42,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:42,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:42,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:42,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:59:42,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:59:42,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:59:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:42,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 00:59:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:59:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:42,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:42,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:42,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-25 00:59:42,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 00:59:42,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 00:59:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 00:59:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 00:59:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:43,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:43,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:43,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 00:59:43,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 00:59:43,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 00:59:43,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:59:43,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:59:43,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:59:43,413 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-25 00:59:43,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131189350] [2020-09-25 00:59:43,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 00:59:43,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-25 00:59:43,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262678283] [2020-09-25 00:59:43,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-25 00:59:43,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:59:43,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-25 00:59:43,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:59:43,416 INFO L87 Difference]: Start difference. First operand 124 states and 130 transitions. Second operand 19 states. [2020-09-25 00:59:46,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:59:46,715 INFO L93 Difference]: Finished difference Result 205 states and 216 transitions. [2020-09-25 00:59:46,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-25 00:59:46,716 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77 [2020-09-25 00:59:46,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:59:46,718 INFO L225 Difference]: With dead ends: 205 [2020-09-25 00:59:46,718 INFO L226 Difference]: Without dead ends: 167 [2020-09-25 00:59:46,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=497, Invalid=2259, Unknown=0, NotChecked=0, Total=2756 [2020-09-25 00:59:46,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-25 00:59:46,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-09-25 00:59:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-09-25 00:59:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2020-09-25 00:59:46,733 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 77 [2020-09-25 00:59:46,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:59:46,734 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2020-09-25 00:59:46,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-25 00:59:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2020-09-25 00:59:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-25 00:59:46,739 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:59:46,740 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:59:46,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 00:59:46,741 INFO L427 AbstractCegarLoop]: === Iteration 7 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:59:46,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:59:46,741 INFO L82 PathProgramCache]: Analyzing trace with hash 976010630, now seen corresponding path program 1 times [2020-09-25 00:59:46,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:59:46,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145784726] [2020-09-25 00:59:46,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:59:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:46,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:48,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:48,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-25 00:59:48,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1417 [2020-09-25 00:59:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-25 00:59:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 00:59:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 00:59:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:59:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:48,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:59:48,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:59:48,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 00:59:48,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:59:48,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:59:48,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:59:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:59:48,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:59:48,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:59:48,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:59:48,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 00:59:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:59:48,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking...