/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:23:05,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:23:05,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:23:05,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:23:05,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:23:05,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:23:05,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:23:05,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:23:05,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:23:05,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:23:05,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:23:05,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:23:05,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:23:05,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:23:05,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:23:05,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:23:05,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:23:05,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:23:05,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:23:05,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:23:05,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:23:05,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:23:05,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:23:05,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:23:05,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:23:05,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:23:05,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:23:05,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:23:05,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:23:05,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:23:05,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:23:05,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:23:05,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:23:05,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:23:05,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:23:05,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:23:05,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:23:05,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:23:05,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:23:05,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:23:05,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:23:05,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:23:05,316 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:23:05,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:23:05,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:23:05,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:23:05,319 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:23:05,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:23:05,320 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:23:05,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:23:05,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:23:05,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:23:05,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:23:05,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:23:05,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:23:05,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:23:05,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:23:05,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:23:05,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:23:05,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:23:05,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:23:05,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:23:05,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:23:05,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:23:05,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:23:05,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:23:05,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:23:05,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:23:05,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:23:05,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:23:05,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:23:05,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:23:05,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:23:05,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:23:05,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:23:05,807 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:23:05,807 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:23:05,808 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-21 11:23:05,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8bb76e83/4ef391d0e59b4d5883bad53ebdb751f0/FLAG55da91148 [2020-09-21 11:23:06,563 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:23:06,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-09-21 11:23:06,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8bb76e83/4ef391d0e59b4d5883bad53ebdb751f0/FLAG55da91148 [2020-09-21 11:23:06,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f8bb76e83/4ef391d0e59b4d5883bad53ebdb751f0 [2020-09-21 11:23:06,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:23:06,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:23:06,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:23:06,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:23:06,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:23:06,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:06" (1/1) ... [2020-09-21 11:23:06,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2210ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:06, skipping insertion in model container [2020-09-21 11:23:06,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:23:06" (1/1) ... [2020-09-21 11:23:06,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:23:06,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:23:07,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:23:07,466 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:23:07,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:23:07,641 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:23:07,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07 WrapperNode [2020-09-21 11:23:07,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:23:07,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:23:07,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:23:07,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:23:07,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... [2020-09-21 11:23:07,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:23:07,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:23:07,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:23:07,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:23:07,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:23:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:23:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:23:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-21 11:23:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-21 11:23:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-21 11:23:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-09-21 11:23:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-09-21 11:23:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-09-21 11:23:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-09-21 11:23:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-09-21 11:23:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-09-21 11:23:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-09-21 11:23:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-09-21 11:23:07,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-09-21 11:23:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-09-21 11:23:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-09-21 11:23:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-09-21 11:23:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-09-21 11:23:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-09-21 11:23:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-09-21 11:23:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-09-21 11:23:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:23:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:23:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-21 11:23:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-21 11:23:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-21 11:23:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-21 11:23:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-21 11:23:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-21 11:23:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-21 11:23:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-21 11:23:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-21 11:23:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-21 11:23:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-21 11:23:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-21 11:23:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-21 11:23:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-21 11:23:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-21 11:23:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-21 11:23:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-21 11:23:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-21 11:23:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-21 11:23:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-21 11:23:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-21 11:23:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-21 11:23:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:23:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-21 11:23:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-21 11:23:07,847 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-21 11:23:07,848 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-21 11:23:07,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-21 11:23:07,850 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-21 11:23:07,851 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-21 11:23:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-21 11:23:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-21 11:23:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-21 11:23:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:23:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-09-21 11:23:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-09-21 11:23:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:23:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:23:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-09-21 11:23:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-09-21 11:23:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:23:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-09-21 11:23:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:23:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-21 11:23:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 11:23:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:23:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-09-21 11:23:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-09-21 11:23:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-09-21 11:23:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-09-21 11:23:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-09-21 11:23:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-09-21 11:23:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:23:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:23:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:23:08,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:23:08,726 INFO L295 CfgBuilder]: Removed 38 assume(true) statements. [2020-09-21 11:23:08,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:23:08 BoogieIcfgContainer [2020-09-21 11:23:08,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:23:08,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:23:08,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:23:08,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:23:08,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:23:06" (1/3) ... [2020-09-21 11:23:08,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdc1997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:23:08, skipping insertion in model container [2020-09-21 11:23:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:23:07" (2/3) ... [2020-09-21 11:23:08,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdc1997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:23:08, skipping insertion in model container [2020-09-21 11:23:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:23:08" (3/3) ... [2020-09-21 11:23:08,745 INFO L109 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-09-21 11:23:08,757 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:23:08,771 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:23:08,795 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:23:08,830 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:23:08,830 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:23:08,830 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:23:08,830 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:23:08,831 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:23:08,831 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:23:08,831 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:23:08,831 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:23:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-21 11:23:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:23:08,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:08,871 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-09-21 11:23:08,871 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:08,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:08,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1405399524, now seen corresponding path program 1 times [2020-09-21 11:23:08,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:08,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051579441] [2020-09-21 11:23:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:23:09,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:23:09,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-21 11:23:09,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:09,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:23:09,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:09,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-21 11:23:09,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:23:09,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:23:09,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:23:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:23:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 11:23:09,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:09,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:23:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:09,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:09,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:23:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:23:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:09,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:23:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:09,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:09,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:09,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:09,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:09,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:09,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:09,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:23:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-21 11:23:09,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051579441] [2020-09-21 11:23:09,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:23:09,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:23:09,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380550652] [2020-09-21 11:23:09,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:23:09,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:09,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:23:09,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:23:09,585 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-21 11:23:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:10,058 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2020-09-21 11:23:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:23:10,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:23:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:10,078 INFO L225 Difference]: With dead ends: 343 [2020-09-21 11:23:10,079 INFO L226 Difference]: Without dead ends: 166 [2020-09-21 11:23:10,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:23:10,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-09-21 11:23:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 155. [2020-09-21 11:23:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-09-21 11:23:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 184 transitions. [2020-09-21 11:23:10,170 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 184 transitions. Word has length 59 [2020-09-21 11:23:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:10,170 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 184 transitions. [2020-09-21 11:23:10,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:23:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 184 transitions. [2020-09-21 11:23:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:23:10,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:10,175 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-09-21 11:23:10,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:23:10,176 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:10,176 INFO L82 PathProgramCache]: Analyzing trace with hash 747676979, now seen corresponding path program 1 times [2020-09-21 11:23:10,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:10,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704414289] [2020-09-21 11:23:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:10,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:23:10,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-09-21 11:23:10,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-09-21 11:23:10,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-21 11:23:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:10,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:10,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:10,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:10,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:23:10,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:10,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:23:10,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:10,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:23:10,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:23:10,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:23:10,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:23:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 11:23:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:10,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:23:10,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:23:10,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:23:10,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:10,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:10,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:10,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:10,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:10,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:10,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:10,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:10,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:10,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:10,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:23:10,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:11,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:11,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:11,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:11,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:23:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:11,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:11,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:23:11,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:11,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:11,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:11,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:11,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:11,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:11,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:11,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:11,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:11,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:11,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:23:11,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704414289] [2020-09-21 11:23:11,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:11,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:23:11,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203367856] [2020-09-21 11:23:11,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:23:11,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:11,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:23:11,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:23:11,099 INFO L87 Difference]: Start difference. First operand 155 states and 184 transitions. Second operand 13 states. [2020-09-21 11:23:12,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:12,378 INFO L93 Difference]: Finished difference Result 327 states and 406 transitions. [2020-09-21 11:23:12,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:23:12,378 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2020-09-21 11:23:12,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:12,381 INFO L225 Difference]: With dead ends: 327 [2020-09-21 11:23:12,382 INFO L226 Difference]: Without dead ends: 179 [2020-09-21 11:23:12,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:23:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-09-21 11:23:12,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 168. [2020-09-21 11:23:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-09-21 11:23:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-09-21 11:23:12,408 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 60 [2020-09-21 11:23:12,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:12,409 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-09-21 11:23:12,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:23:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-09-21 11:23:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:23:12,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:12,414 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:23:12,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:23:12,415 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:12,415 INFO L82 PathProgramCache]: Analyzing trace with hash 586330229, now seen corresponding path program 1 times [2020-09-21 11:23:12,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:12,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765476352] [2020-09-21 11:23:12,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:12,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:23:12,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-09-21 11:23:12,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 11:23:12,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:23:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:12,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:12,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:12,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:12,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:12,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:12,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:12,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:13,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:13,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:13,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 11:23:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-21 11:23:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:23:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:23:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:23:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:13,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:13,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:13,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:13,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:13,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:13,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:13,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-09-21 11:23:13,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:23:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:23:13,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:23:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:14,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:14,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:14,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:14,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-21 11:23:14,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:23:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:23:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:23:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:14,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:14,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:14,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:14,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:14,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:14,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 364 [2020-09-21 11:23:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:23:14,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:23:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:23:14,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:14,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:14,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:14,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:14,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:14,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:14,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:14,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:14,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:14,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:14,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:14,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:14,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:14,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:14,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:14,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:14,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-21 11:23:14,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:23:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:23:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:23:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:14,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:15,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:15,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:15,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:15,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:15,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-21 11:23:15,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-21 11:23:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:23:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:23:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:15,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:23:15,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:23:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:15,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:23:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:15,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:15,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:15,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:15,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:15,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:15,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:23:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:23:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:23:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:15,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:15,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:15,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:15,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:15,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:15,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:15,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:15,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:23:15,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:15,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:15,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:23:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:15,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:16,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:16,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:16,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:16,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:16,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:16,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:16,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-21 11:23:16,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:23:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:16,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:23:16,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:16,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:16,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:16,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:16,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:16,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:16,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 11:23:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:23:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:23:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:16,602 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-09-21 11:23:16,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:16,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:16,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:16,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:16,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:16,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:16,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:16,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:23:16,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:23:16,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:16,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:23:16,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:23:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:17,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:23:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:17,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:17,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:17,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:17,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:17,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:17,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:17,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:17,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:17,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:17,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:17,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:17,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:17,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:17,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:17,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:17,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:17,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:17,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:17,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:17,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 16 proven. 93 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-09-21 11:23:17,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765476352] [2020-09-21 11:23:17,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:17,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-09-21 11:23:17,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031449281] [2020-09-21 11:23:17,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-21 11:23:17,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:17,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-21 11:23:17,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2020-09-21 11:23:17,513 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 28 states. [2020-09-21 11:23:18,389 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-09-21 11:23:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:21,596 INFO L93 Difference]: Finished difference Result 348 states and 425 transitions. [2020-09-21 11:23:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:23:21,597 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 154 [2020-09-21 11:23:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:21,599 INFO L225 Difference]: With dead ends: 348 [2020-09-21 11:23:21,599 INFO L226 Difference]: Without dead ends: 189 [2020-09-21 11:23:21,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=182, Invalid=1798, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:23:21,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-09-21 11:23:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 176. [2020-09-21 11:23:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-09-21 11:23:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 208 transitions. [2020-09-21 11:23:21,627 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 208 transitions. Word has length 154 [2020-09-21 11:23:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:21,628 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 208 transitions. [2020-09-21 11:23:21,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-09-21 11:23:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 208 transitions. [2020-09-21 11:23:21,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:23:21,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:21,631 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:23:21,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:23:21,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:21,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash -467161035, now seen corresponding path program 1 times [2020-09-21 11:23:21,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:21,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1681608265] [2020-09-21 11:23:21,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:21,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:21,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:21,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:21,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:21,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:23:21,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:21,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-21 11:23:21,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 11:23:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:23:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:21,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:21,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:21,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:21,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:21,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:21,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:21,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:21,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:21,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:21,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:21,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:21,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:22,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:22,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:22,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:22,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 11:23:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-21 11:23:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:22,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:23:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:23:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:23:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:22,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:22,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:22,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:22,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:22,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:22,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-21 11:23:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:23:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:23:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:23:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:22,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:22,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:22,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:22,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:22,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:22,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 11:23:22,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:23:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:23:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:22,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:22,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:22,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:22,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:22,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:23:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:23:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:23:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:23,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:23,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:23,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:23,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:23,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:23,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:23,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:23,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:23:23,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:23,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:23,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:23:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:24,018 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2020-09-21 11:23:24,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:24,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:24,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:23:24,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:24,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:24,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:24,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:23:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:23:24,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:24,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:24,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:23:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:24,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:23:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:24,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:24,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:24,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 169 [2020-09-21 11:23:24,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:24,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:23:24,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:24,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:24,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:24,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:24,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:24,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:24,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:24,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:24,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:24,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:24,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:24,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-09-21 11:23:25,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1681608265] [2020-09-21 11:23:25,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:25,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-21 11:23:25,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858809576] [2020-09-21 11:23:25,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-21 11:23:25,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:25,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-21 11:23:25,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:23:25,028 INFO L87 Difference]: Start difference. First operand 176 states and 208 transitions. Second operand 19 states. [2020-09-21 11:23:26,028 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2020-09-21 11:23:27,972 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-09-21 11:23:28,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:28,144 INFO L93 Difference]: Finished difference Result 363 states and 435 transitions. [2020-09-21 11:23:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:23:28,145 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2020-09-21 11:23:28,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:28,147 INFO L225 Difference]: With dead ends: 363 [2020-09-21 11:23:28,148 INFO L226 Difference]: Without dead ends: 196 [2020-09-21 11:23:28,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=92, Invalid=610, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:23:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-09-21 11:23:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 182. [2020-09-21 11:23:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-09-21 11:23:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 216 transitions. [2020-09-21 11:23:28,171 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 216 transitions. Word has length 154 [2020-09-21 11:23:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:28,172 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 216 transitions. [2020-09-21 11:23:28,172 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-21 11:23:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2020-09-21 11:23:28,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-21 11:23:28,175 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:28,175 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:23:28,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:23:28,175 INFO L427 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:28,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2084601485, now seen corresponding path program 1 times [2020-09-21 11:23:28,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:28,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798002214] [2020-09-21 11:23:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:28,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:28,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:28,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:28,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:28,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-21 11:23:28,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-21 11:23:28,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-21 11:23:28,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 11:23:28,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-21 11:23:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:28,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:28,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:28,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:28,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:28,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:28,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:28,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:28,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:28,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:28,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:28,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:28,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:28,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:28,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:28,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 11:23:28,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:23:28,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:23:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-09-21 11:23:28,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:29,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:23:29,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:23:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-09-21 11:23:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:29,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:29,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:29,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:29,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:29,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:29,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:29,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:29,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:23:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:29,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:29,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:23:29,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:23:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:23:29,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:29,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:29,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:23:29,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:23:29,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:23:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:29,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:23:29,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:23:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:29,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:23:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:23:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:29,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:29,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:29,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:29,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:29,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:29,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:29,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:29,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:29,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:29,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:30,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:30,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:30,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:30,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:30,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:30,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:30,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:30,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:30,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:30,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:30,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:30,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:23:30,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:30,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:30,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:30,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:30,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:30,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:30,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:30,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:30,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:30,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:30,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-09-21 11:23:30,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798002214] [2020-09-21 11:23:30,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:23:30,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-21 11:23:30,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901667148] [2020-09-21 11:23:30,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-21 11:23:30,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:23:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-21 11:23:30,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:23:30,189 INFO L87 Difference]: Start difference. First operand 182 states and 216 transitions. Second operand 22 states. [2020-09-21 11:23:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:23:32,494 INFO L93 Difference]: Finished difference Result 324 states and 396 transitions. [2020-09-21 11:23:32,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:23:32,496 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 154 [2020-09-21 11:23:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:23:32,502 INFO L225 Difference]: With dead ends: 324 [2020-09-21 11:23:32,502 INFO L226 Difference]: Without dead ends: 254 [2020-09-21 11:23:32,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=1129, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:23:32,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-21 11:23:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 209. [2020-09-21 11:23:32,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-21 11:23:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 249 transitions. [2020-09-21 11:23:32,532 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 249 transitions. Word has length 154 [2020-09-21 11:23:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:23:32,533 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 249 transitions. [2020-09-21 11:23:32,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-21 11:23:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 249 transitions. [2020-09-21 11:23:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-21 11:23:32,536 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:23:32,536 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 11:23:32,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:23:32,537 INFO L427 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:23:32,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:23:32,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1709746076, now seen corresponding path program 1 times [2020-09-21 11:23:32,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:23:32,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720961415] [2020-09-21 11:23:32,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:23:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:35,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 26 [2020-09-21 11:23:35,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-21 11:23:35,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-21 11:23:35,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:35,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-21 11:23:35,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:35,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2897 [2020-09-21 11:23:35,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-09-21 11:23:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-09-21 11:23:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-21 11:23:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:35,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:35,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:23:35,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:23:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:35,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:35,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:35,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:23:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:39,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 23 [2020-09-21 11:23:39,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:39,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:39,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:39,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-21 11:23:39,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:39,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3480 [2020-09-21 11:23:39,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:39,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-21 11:23:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:39,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-09-21 11:23:39,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:39,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:41,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 26 [2020-09-21 11:23:41,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:41,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:41,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:41,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-21 11:23:41,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:41,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2092 [2020-09-21 11:23:41,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-21 11:23:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:41,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-09-21 11:23:41,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:42,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:23:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:42,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:42,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:42,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:42,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:23:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:42,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-21 11:23:42,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:42,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:42,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:23:42,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:42,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:42,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:42,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:42,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:42,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:23:42,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:23:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:42,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:23:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:23:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:23:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:44,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 9 [2020-09-21 11:23:44,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:44,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:44,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:44,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:23:44,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:44,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1762 [2020-09-21 11:23:44,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-21 11:23:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:23:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:23:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:46,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 9 [2020-09-21 11:23:46,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:46,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:46,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:46,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:23:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2059 [2020-09-21 11:23:46,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-21 11:23:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:23:46,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:48,254 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 210 DAG size of output: 54 [2020-09-21 11:23:50,296 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 397 DAG size of output: 48 [2020-09-21 11:23:51,272 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 36 [2020-09-21 11:23:51,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:23:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:23:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:51,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:51,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:51,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:23:51,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:23:51,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:23:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:23:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:23:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:23:51,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:23:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:23:52,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 8 [2020-09-21 11:23:52,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:23:52,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:23:52,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:23:52,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-21 11:23:52,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:23:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 580 [2020-09-21 11:23:52,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:23:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-21 11:23:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:23:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:23:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0