/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 19:06:22,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 19:06:22,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 19:06:22,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 19:06:22,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 19:06:22,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 19:06:22,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 19:06:22,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 19:06:22,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 19:06:22,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 19:06:22,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 19:06:22,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 19:06:22,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 19:06:22,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 19:06:22,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 19:06:22,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 19:06:22,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 19:06:22,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 19:06:22,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 19:06:22,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 19:06:22,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 19:06:22,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 19:06:22,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 19:06:22,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 19:06:22,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 19:06:22,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 19:06:22,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 19:06:22,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 19:06:22,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 19:06:22,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 19:06:22,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 19:06:22,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 19:06:22,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 19:06:22,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 19:06:22,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 19:06:22,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 19:06:22,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 19:06:22,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 19:06:22,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 19:06:22,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 19:06:22,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 19:06:22,187 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 [2020-10-12 19:06:22,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 19:06:22,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 19:06:22,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 19:06:22,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 19:06:22,232 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 19:06:22,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 19:06:22,233 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 19:06:22,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 19:06:22,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 19:06:22,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 19:06:22,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 19:06:22,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 19:06:22,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 19:06:22,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 19:06:22,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 19:06:22,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 19:06:22,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 19:06:22,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 19:06:22,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 19:06:22,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 19:06:22,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 19:06:22,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 19:06:22,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 19:06:22,565 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 19:06:22,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-12 19:06:22,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63ad27216/27ee74ff195d45d7bc96eaa05f00544b/FLAG73c9f551c [2020-10-12 19:06:23,154 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 19:06:23,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-12 19:06:23,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63ad27216/27ee74ff195d45d7bc96eaa05f00544b/FLAG73c9f551c [2020-10-12 19:06:23,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63ad27216/27ee74ff195d45d7bc96eaa05f00544b [2020-10-12 19:06:23,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 19:06:23,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 19:06:23,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 19:06:23,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 19:06:23,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 19:06:23,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:23,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574fe713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23, skipping insertion in model container [2020-10-12 19:06:23,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:23,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 19:06:23,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 19:06:23,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:06:23,881 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 19:06:23,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 19:06:23,978 INFO L208 MainTranslator]: Completed translation [2020-10-12 19:06:23,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23 WrapperNode [2020-10-12 19:06:23,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 19:06:23,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 19:06:23,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 19:06:23,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 19:06:23,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:23,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (1/1) ... [2020-10-12 19:06:24,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 19:06:24,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 19:06:24,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 19:06:24,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 19:06:24,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (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 [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-12 19:06:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-12 19:06:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-12 19:06:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-12 19:06:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-12 19:06:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 19:06:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-12 19:06:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 19:06:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 19:06:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-12 19:06:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 19:06:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 19:06:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 19:06:24,929 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 19:06:24,930 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 19:06:24,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:06:24 BoogieIcfgContainer [2020-10-12 19:06:24,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 19:06:24,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 19:06:24,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 19:06:24,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 19:06:24,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 07:06:23" (1/3) ... [2020-10-12 19:06:24,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159a5392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:06:24, skipping insertion in model container [2020-10-12 19:06:24,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 07:06:23" (2/3) ... [2020-10-12 19:06:24,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159a5392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 07:06:24, skipping insertion in model container [2020-10-12 19:06:24,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 07:06:24" (3/3) ... [2020-10-12 19:06:24,949 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-12 19:06:24,959 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 19:06:24,967 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 19:06:24,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 19:06:25,001 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 19:06:25,001 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 19:06:25,001 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 19:06:25,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 19:06:25,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 19:06:25,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 19:06:25,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 19:06:25,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 19:06:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-10-12 19:06:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-12 19:06:25,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:25,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:25,038 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:25,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1940648466, now seen corresponding path program 1 times [2020-10-12 19:06:25,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:25,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167528434] [2020-10-12 19:06:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:25,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:25,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:25,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 19:06:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-12 19:06:25,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:25,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 19:06:25,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:06:25,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 19:06:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:25,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:25,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:25,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:25,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 19:06:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:25,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:06:25,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167528434] [2020-10-12 19:06:25,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:25,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:06:25,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559056309] [2020-10-12 19:06:25,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:06:25,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:25,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:06:25,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:06:25,793 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-10-12 19:06:26,264 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-12 19:06:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:27,342 INFO L93 Difference]: Finished difference Result 428 states and 706 transitions. [2020-10-12 19:06:27,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:27,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-12 19:06:27,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:27,372 INFO L225 Difference]: With dead ends: 428 [2020-10-12 19:06:27,372 INFO L226 Difference]: Without dead ends: 222 [2020-10-12 19:06:27,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:06:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-12 19:06:27,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 216. [2020-10-12 19:06:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-12 19:06:27,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 323 transitions. [2020-10-12 19:06:27,509 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 323 transitions. Word has length 21 [2020-10-12 19:06:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:27,510 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 323 transitions. [2020-10-12 19:06:27,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:06:27,510 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2020-10-12 19:06:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 19:06:27,513 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:27,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:27,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 19:06:27,514 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:27,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:27,514 INFO L82 PathProgramCache]: Analyzing trace with hash -653142034, now seen corresponding path program 1 times [2020-10-12 19:06:27,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:27,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602094989] [2020-10-12 19:06:27,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:27,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:27,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:28,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 19:06:28,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:06:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 498 [2020-10-12 19:06:28,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 19:06:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:28,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:28,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:28,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:28,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:28,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:06:28,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602094989] [2020-10-12 19:06:28,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:28,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:06:28,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006941354] [2020-10-12 19:06:28,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:06:28,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:28,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:06:28,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:06:28,158 INFO L87 Difference]: Start difference. First operand 216 states and 323 transitions. Second operand 5 states. [2020-10-12 19:06:29,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:29,633 INFO L93 Difference]: Finished difference Result 449 states and 681 transitions. [2020-10-12 19:06:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:29,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-12 19:06:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:29,638 INFO L225 Difference]: With dead ends: 449 [2020-10-12 19:06:29,639 INFO L226 Difference]: Without dead ends: 242 [2020-10-12 19:06:29,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:06:29,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-12 19:06:29,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2020-10-12 19:06:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-12 19:06:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 347 transitions. [2020-10-12 19:06:29,680 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 347 transitions. Word has length 22 [2020-10-12 19:06:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:29,680 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 347 transitions. [2020-10-12 19:06:29,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:06:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 347 transitions. [2020-10-12 19:06:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 19:06:29,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:29,682 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 19:06:29,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 19:06:29,683 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:29,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:29,683 INFO L82 PathProgramCache]: Analyzing trace with hash 966290889, now seen corresponding path program 1 times [2020-10-12 19:06:29,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:29,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884771594] [2020-10-12 19:06:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:29,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:29,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:29,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:29,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 19:06:29,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 19:06:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 19:06:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:30,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:30,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:30,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:30,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:30,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:30,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:30,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:30,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 19:06:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-12 19:06:30,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884771594] [2020-10-12 19:06:30,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:30,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:06:30,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658301436] [2020-10-12 19:06:30,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:06:30,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:30,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:06:30,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:06:30,061 INFO L87 Difference]: Start difference. First operand 235 states and 347 transitions. Second operand 6 states. [2020-10-12 19:06:31,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:31,684 INFO L93 Difference]: Finished difference Result 496 states and 751 transitions. [2020-10-12 19:06:31,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 19:06:31,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-10-12 19:06:31,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:31,689 INFO L225 Difference]: With dead ends: 496 [2020-10-12 19:06:31,689 INFO L226 Difference]: Without dead ends: 280 [2020-10-12 19:06:31,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-12 19:06:31,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-12 19:06:31,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-12 19:06:31,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-12 19:06:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 357 transitions. [2020-10-12 19:06:31,730 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 357 transitions. Word has length 30 [2020-10-12 19:06:31,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:31,730 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 357 transitions. [2020-10-12 19:06:31,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:06:31,731 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 357 transitions. [2020-10-12 19:06:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-12 19:06:31,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:31,733 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 19:06:31,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 19:06:31,733 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:31,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:31,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1159798928, now seen corresponding path program 1 times [2020-10-12 19:06:31,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:31,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426338276] [2020-10-12 19:06:31,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:31,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:33,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 19:06:33,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:06:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1784 [2020-10-12 19:06:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 19:06:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:33,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:33,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:33,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:33,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:33,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:33,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:33,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:33,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:33,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:33,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:06:33,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:06:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 19:06:33,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:33,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 19:06:33,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:06:33,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426338276] [2020-10-12 19:06:33,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:33,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 19:06:33,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207771176] [2020-10-12 19:06:33,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 19:06:33,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:33,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 19:06:33,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:06:33,808 INFO L87 Difference]: Start difference. First operand 244 states and 357 transitions. Second operand 7 states. [2020-10-12 19:06:34,399 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-10-12 19:06:35,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:35,551 INFO L93 Difference]: Finished difference Result 487 states and 720 transitions. [2020-10-12 19:06:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 19:06:35,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-12 19:06:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:35,557 INFO L225 Difference]: With dead ends: 487 [2020-10-12 19:06:35,557 INFO L226 Difference]: Without dead ends: 245 [2020-10-12 19:06:35,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-12 19:06:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-12 19:06:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 241. [2020-10-12 19:06:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-12 19:06:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 348 transitions. [2020-10-12 19:06:35,611 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 348 transitions. Word has length 36 [2020-10-12 19:06:35,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:35,611 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 348 transitions. [2020-10-12 19:06:35,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 19:06:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 348 transitions. [2020-10-12 19:06:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-12 19:06:35,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:35,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:35,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 19:06:35,617 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:35,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1511880476, now seen corresponding path program 1 times [2020-10-12 19:06:35,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:35,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549283963] [2020-10-12 19:06:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:35,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:35,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-12 19:06:36,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-12 19:06:36,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:06:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 19:06:36,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:06:36,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:36,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 19:06:36,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:36,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 19:06:36,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 19:06:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 19:06:36,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:06:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:36,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:36,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:36,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:36,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:36,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:36,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:06:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:36,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:36,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:36,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:36,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 19:06:36,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549283963] [2020-10-12 19:06:36,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:36,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 19:06:36,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384997604] [2020-10-12 19:06:36,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:06:36,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:06:36,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:06:36,460 INFO L87 Difference]: Start difference. First operand 241 states and 348 transitions. Second operand 8 states. [2020-10-12 19:06:36,790 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-12 19:06:38,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:38,257 INFO L93 Difference]: Finished difference Result 426 states and 623 transitions. [2020-10-12 19:06:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 19:06:38,258 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-12 19:06:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:38,260 INFO L225 Difference]: With dead ends: 426 [2020-10-12 19:06:38,261 INFO L226 Difference]: Without dead ends: 245 [2020-10-12 19:06:38,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 19:06:38,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-12 19:06:38,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 241. [2020-10-12 19:06:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-12 19:06:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 344 transitions. [2020-10-12 19:06:38,292 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 344 transitions. Word has length 45 [2020-10-12 19:06:38,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:38,293 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 344 transitions. [2020-10-12 19:06:38,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:06:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 344 transitions. [2020-10-12 19:06:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-12 19:06:38,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:38,299 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:38,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 19:06:38,300 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:38,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1400976029, now seen corresponding path program 1 times [2020-10-12 19:06:38,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:38,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956531203] [2020-10-12 19:06:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:38,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:38,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:38,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:39,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2450 [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:40,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 19:06:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:40,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:40,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:06:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:06:40,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:06:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:40,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:40,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 19:06:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:06:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:40,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:40,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:40,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:40,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:40,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:40,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:40,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:40,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 19:06:40,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956531203] [2020-10-12 19:06:40,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:40,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:06:40,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76086771] [2020-10-12 19:06:40,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:06:40,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:40,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:06:40,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:06:40,980 INFO L87 Difference]: Start difference. First operand 241 states and 344 transitions. Second operand 6 states. [2020-10-12 19:06:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:42,374 INFO L93 Difference]: Finished difference Result 472 states and 678 transitions. [2020-10-12 19:06:42,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:42,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-10-12 19:06:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:42,381 INFO L225 Difference]: With dead ends: 472 [2020-10-12 19:06:42,381 INFO L226 Difference]: Without dead ends: 249 [2020-10-12 19:06:42,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:06:42,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-12 19:06:42,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 241. [2020-10-12 19:06:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-12 19:06:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 343 transitions. [2020-10-12 19:06:42,408 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 343 transitions. Word has length 56 [2020-10-12 19:06:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:42,409 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 343 transitions. [2020-10-12 19:06:42,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:06:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 343 transitions. [2020-10-12 19:06:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 19:06:42,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:42,410 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:42,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 19:06:42,411 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:42,411 INFO L82 PathProgramCache]: Analyzing trace with hash 200816766, now seen corresponding path program 1 times [2020-10-12 19:06:42,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:42,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757468011] [2020-10-12 19:06:42,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:42,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1799 [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-12 19:06:44,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:44,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:44,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:44,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:44,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:06:44,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:44,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 19:06:44,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:06:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:44,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:44,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:44,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:44,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:06:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 19:06:44,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:06:44,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:44,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:06:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:44,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:44,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:44,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:44,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:44,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:44,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:44,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:44,461 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 19:06:44,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757468011] [2020-10-12 19:06:44,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:44,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 19:06:44,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668170964] [2020-10-12 19:06:44,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:06:44,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:44,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:06:44,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:06:44,467 INFO L87 Difference]: Start difference. First operand 241 states and 343 transitions. Second operand 8 states. [2020-10-12 19:06:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:46,636 INFO L93 Difference]: Finished difference Result 530 states and 763 transitions. [2020-10-12 19:06:46,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 19:06:46,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-12 19:06:46,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:46,641 INFO L225 Difference]: With dead ends: 530 [2020-10-12 19:06:46,641 INFO L226 Difference]: Without dead ends: 298 [2020-10-12 19:06:46,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-10-12 19:06:46,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-12 19:06:46,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 266. [2020-10-12 19:06:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-12 19:06:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 376 transitions. [2020-10-12 19:06:46,670 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 376 transitions. Word has length 59 [2020-10-12 19:06:46,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:46,671 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 376 transitions. [2020-10-12 19:06:46,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:06:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2020-10-12 19:06:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 19:06:46,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:46,672 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 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, 1, 1, 1] [2020-10-12 19:06:46,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 19:06:46,672 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:46,673 INFO L82 PathProgramCache]: Analyzing trace with hash 667018707, now seen corresponding path program 1 times [2020-10-12 19:06:46,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:46,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825698092] [2020-10-12 19:06:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:46,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:46,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:47,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 19:06:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:06:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2462 [2020-10-12 19:06:49,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 19:06:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:49,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-12 19:06:49,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 19:06:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:49,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 19:06:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 19:06:49,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:49,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:06:49,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:06:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-12 19:06:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:49,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:49,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:49,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:49,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:49,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:49,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:49,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:49,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:06:49,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:06:49,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-12 19:06:49,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825698092] [2020-10-12 19:06:49,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:06:49,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 19:06:49,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46520507] [2020-10-12 19:06:49,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:06:49,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:49,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:06:49,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:06:49,375 INFO L87 Difference]: Start difference. First operand 266 states and 376 transitions. Second operand 6 states. [2020-10-12 19:06:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:50,703 INFO L93 Difference]: Finished difference Result 544 states and 781 transitions. [2020-10-12 19:06:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:50,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2020-10-12 19:06:50,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:50,709 INFO L225 Difference]: With dead ends: 544 [2020-10-12 19:06:50,709 INFO L226 Difference]: Without dead ends: 301 [2020-10-12 19:06:50,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:06:50,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-12 19:06:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 291. [2020-10-12 19:06:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-10-12 19:06:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 410 transitions. [2020-10-12 19:06:50,762 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 410 transitions. Word has length 86 [2020-10-12 19:06:50,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:50,762 INFO L479 AbstractCegarLoop]: Abstraction has 291 states and 410 transitions. [2020-10-12 19:06:50,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:06:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 410 transitions. [2020-10-12 19:06:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 19:06:50,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:50,765 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:50,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 19:06:50,766 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:50,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:50,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1392427759, now seen corresponding path program 2 times [2020-10-12 19:06:50,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:50,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718857409] [2020-10-12 19:06:50,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:50,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:50,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 19:06:51,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:06:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-12 19:06:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-12 19:06:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:06:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:51,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:51,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:06:51,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:51,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:06:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:51,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:06:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:06:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:51,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:51,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:51,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2020-10-12 19:06:51,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718857409] [2020-10-12 19:06:51,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:51,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:06:51,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761086245] [2020-10-12 19:06:51,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:06:51,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:51,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:06:51,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:06:51,331 INFO L87 Difference]: Start difference. First operand 291 states and 410 transitions. Second operand 5 states. [2020-10-12 19:06:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:52,704 INFO L93 Difference]: Finished difference Result 588 states and 841 transitions. [2020-10-12 19:06:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:52,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-10-12 19:06:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:52,709 INFO L225 Difference]: With dead ends: 588 [2020-10-12 19:06:52,709 INFO L226 Difference]: Without dead ends: 339 [2020-10-12 19:06:52,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:06:52,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-12 19:06:52,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 332. [2020-10-12 19:06:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2020-10-12 19:06:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 458 transitions. [2020-10-12 19:06:52,739 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 458 transitions. Word has length 110 [2020-10-12 19:06:52,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:52,740 INFO L479 AbstractCegarLoop]: Abstraction has 332 states and 458 transitions. [2020-10-12 19:06:52,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:06:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 458 transitions. [2020-10-12 19:06:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 19:06:52,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:52,741 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:52,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 19:06:52,741 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:52,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:52,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1825247369, now seen corresponding path program 1 times [2020-10-12 19:06:52,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:52,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1986356015] [2020-10-12 19:06:52,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:52,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:52,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 19:06:52,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 19:06:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-12 19:06:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:06:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:52,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:52,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:52,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:52,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:52,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:52,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:52,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:52,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:06:52,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:52,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:06:52,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:52,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:52,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:52,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:52,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:52,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:52,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:52,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:52,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:52,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:53,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:53,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:06:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:53,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:06:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:06:53,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:53,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:53,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:53,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-12 19:06:53,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1986356015] [2020-10-12 19:06:53,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:53,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:06:53,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77843754] [2020-10-12 19:06:53,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:06:53,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:53,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:06:53,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:06:53,088 INFO L87 Difference]: Start difference. First operand 332 states and 458 transitions. Second operand 5 states. [2020-10-12 19:06:54,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:54,330 INFO L93 Difference]: Finished difference Result 614 states and 867 transitions. [2020-10-12 19:06:54,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 19:06:54,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-10-12 19:06:54,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:54,336 INFO L225 Difference]: With dead ends: 614 [2020-10-12 19:06:54,336 INFO L226 Difference]: Without dead ends: 330 [2020-10-12 19:06:54,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:06:54,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-10-12 19:06:54,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 326. [2020-10-12 19:06:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-12 19:06:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 444 transitions. [2020-10-12 19:06:54,380 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 444 transitions. Word has length 111 [2020-10-12 19:06:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:54,382 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 444 transitions. [2020-10-12 19:06:54,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:06:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 444 transitions. [2020-10-12 19:06:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-12 19:06:54,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:54,384 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:54,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 19:06:54,384 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:54,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1048334034, now seen corresponding path program 1 times [2020-10-12 19:06:54,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:54,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272932292] [2020-10-12 19:06:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-12 19:06:54,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:54,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:54,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:54,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:06:54,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:54,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:54,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:54,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:54,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:54,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:06:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:54,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:54,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:06:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:06:54,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:06:54,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:54,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:54,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:54,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:54,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:54,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:06:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:54,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:06:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:06:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:55,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:55,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:55,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:55,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-10-12 19:06:55,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272932292] [2020-10-12 19:06:55,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:55,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 19:06:55,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218083975] [2020-10-12 19:06:55,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:06:55,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:55,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:06:55,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:06:55,021 INFO L87 Difference]: Start difference. First operand 326 states and 444 transitions. Second operand 6 states. [2020-10-12 19:06:56,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:56,414 INFO L93 Difference]: Finished difference Result 589 states and 815 transitions. [2020-10-12 19:06:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:06:56,415 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-10-12 19:06:56,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:56,419 INFO L225 Difference]: With dead ends: 589 [2020-10-12 19:06:56,419 INFO L226 Difference]: Without dead ends: 332 [2020-10-12 19:06:56,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:06:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-12 19:06:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 326. [2020-10-12 19:06:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-12 19:06:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 441 transitions. [2020-10-12 19:06:56,449 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 441 transitions. Word has length 130 [2020-10-12 19:06:56,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:56,449 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 441 transitions. [2020-10-12 19:06:56,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:06:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 441 transitions. [2020-10-12 19:06:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 19:06:56,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:56,451 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:56,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 19:06:56,451 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:56,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1215759587, now seen corresponding path program 1 times [2020-10-12 19:06:56,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:56,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688176124] [2020-10-12 19:06:56,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-12 19:06:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:06:56,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:56,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:56,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:06:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:06:56,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:56,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:56,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:56,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:06:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:56,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 19:06:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:06:56,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:56,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:56,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:56,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:56,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:56,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 19:06:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:06:56,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:56,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:06:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:56,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:56,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:06:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:56,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:06:56,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:06:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:56,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-12 19:06:56,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688176124] [2020-10-12 19:06:56,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:56,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:06:56,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621050531] [2020-10-12 19:06:56,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:06:56,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:56,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:06:56,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:06:56,944 INFO L87 Difference]: Start difference. First operand 326 states and 441 transitions. Second operand 5 states. [2020-10-12 19:06:58,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:06:58,236 INFO L93 Difference]: Finished difference Result 558 states and 786 transitions. [2020-10-12 19:06:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 19:06:58,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 163 [2020-10-12 19:06:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:06:58,240 INFO L225 Difference]: With dead ends: 558 [2020-10-12 19:06:58,240 INFO L226 Difference]: Without dead ends: 328 [2020-10-12 19:06:58,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:06:58,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-12 19:06:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2020-10-12 19:06:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-12 19:06:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 437 transitions. [2020-10-12 19:06:58,269 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 437 transitions. Word has length 163 [2020-10-12 19:06:58,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:06:58,269 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 437 transitions. [2020-10-12 19:06:58,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:06:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 437 transitions. [2020-10-12 19:06:58,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 19:06:58,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:06:58,272 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 7, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:06:58,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 19:06:58,273 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:06:58,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:06:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash -405221876, now seen corresponding path program 1 times [2020-10-12 19:06:58,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:06:58,273 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520700732] [2020-10-12 19:06:58,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:06:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 19:06:58,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:06:58,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-12 19:06:58,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:58,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 199 [2020-10-12 19:06:58,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:06:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:06:58,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:58,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:58,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-12 19:06:58,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-12 19:06:58,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-10-12 19:06:58,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:06:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:06:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:58,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:06:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:58,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:58,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:58,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:58,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:06:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:58,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:58,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:58,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:58,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:06:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:58,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:58,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:58,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:58,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:58,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:59,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:06:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:06:59,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:06:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:06:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:59,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:59,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:59,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:06:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:06:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:06:59,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:59,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:06:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:06:59,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:06:59,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:06:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:59,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:06:59,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:06:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:59,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:59,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:06:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:06:59,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:06:59,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:59,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:06:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 19:06:59,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:06:59,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:06:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:06:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:06:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:06:59,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:06:59,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:06:59,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:06:59,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 19:06:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:06:59,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:06:59,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:06:59,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:06:59,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:06:59,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:06:59,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:06:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:06:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:06:59,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:06:59,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:06:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-12 19:06:59,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520700732] [2020-10-12 19:06:59,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:06:59,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 19:06:59,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430424519] [2020-10-12 19:06:59,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 19:06:59,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:06:59,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 19:06:59,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-12 19:06:59,300 INFO L87 Difference]: Start difference. First operand 324 states and 437 transitions. Second operand 6 states. [2020-10-12 19:07:00,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:00,697 INFO L93 Difference]: Finished difference Result 505 states and 698 transitions. [2020-10-12 19:07:00,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:00,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2020-10-12 19:07:00,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:00,702 INFO L225 Difference]: With dead ends: 505 [2020-10-12 19:07:00,703 INFO L226 Difference]: Without dead ends: 328 [2020-10-12 19:07:00,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:00,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-12 19:07:00,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2020-10-12 19:07:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-12 19:07:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 431 transitions. [2020-10-12 19:07:00,730 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 431 transitions. Word has length 189 [2020-10-12 19:07:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:00,730 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 431 transitions. [2020-10-12 19:07:00,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 19:07:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 431 transitions. [2020-10-12 19:07:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-12 19:07:00,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:00,733 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:00,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 19:07:00,734 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:00,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:00,734 INFO L82 PathProgramCache]: Analyzing trace with hash 639323996, now seen corresponding path program 1 times [2020-10-12 19:07:00,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:00,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597021408] [2020-10-12 19:07:00,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:00,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:00,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:00,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 19:07:01,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:07:01,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-12 19:07:01,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-12 19:07:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:07:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:01,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:01,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 19:07:01,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:01,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:01,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:01,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:01,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:01,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:01,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:01,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:01,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:01,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 19:07:01,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:01,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:01,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:01,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 19:07:01,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:07:01,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 19:07:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 19:07:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:01,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:01,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 19:07:01,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 138 proven. 14 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-10-12 19:07:01,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597021408] [2020-10-12 19:07:01,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:01,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 19:07:01,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088151998] [2020-10-12 19:07:01,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:01,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:01,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:01,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:01,821 INFO L87 Difference]: Start difference. First operand 324 states and 431 transitions. Second operand 5 states. [2020-10-12 19:07:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:03,125 INFO L93 Difference]: Finished difference Result 526 states and 722 transitions. [2020-10-12 19:07:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 19:07:03,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 196 [2020-10-12 19:07:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:03,129 INFO L225 Difference]: With dead ends: 526 [2020-10-12 19:07:03,129 INFO L226 Difference]: Without dead ends: 307 [2020-10-12 19:07:03,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:03,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-12 19:07:03,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2020-10-12 19:07:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-12 19:07:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 400 transitions. [2020-10-12 19:07:03,156 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 400 transitions. Word has length 196 [2020-10-12 19:07:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:03,157 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 400 transitions. [2020-10-12 19:07:03,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:03,157 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 400 transitions. [2020-10-12 19:07:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 19:07:03,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:03,160 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:03,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 19:07:03,161 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:03,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:03,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1524429871, now seen corresponding path program 1 times [2020-10-12 19:07:03,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:03,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993112957] [2020-10-12 19:07:03,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-12 19:07:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:03,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:03,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-12 19:07:03,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:03,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:03,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:03,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:03,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:03,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:03,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:03,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:03,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:03,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:03,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:03,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:03,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:03,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:03,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:03,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:03,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:03,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:03,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:03,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:03,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:03,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 19:07:03,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993112957] [2020-10-12 19:07:03,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:03,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 19:07:03,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948538554] [2020-10-12 19:07:03,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 19:07:03,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:03,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 19:07:03,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 19:07:03,863 INFO L87 Difference]: Start difference. First operand 303 states and 400 transitions. Second operand 5 states. [2020-10-12 19:07:05,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:05,006 INFO L93 Difference]: Finished difference Result 481 states and 659 transitions. [2020-10-12 19:07:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 19:07:05,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 220 [2020-10-12 19:07:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:05,010 INFO L225 Difference]: With dead ends: 481 [2020-10-12 19:07:05,011 INFO L226 Difference]: Without dead ends: 313 [2020-10-12 19:07:05,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-10-12 19:07:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2020-10-12 19:07:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-10-12 19:07:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 403 transitions. [2020-10-12 19:07:05,037 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 403 transitions. Word has length 220 [2020-10-12 19:07:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:05,038 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 403 transitions. [2020-10-12 19:07:05,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 19:07:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 403 transitions. [2020-10-12 19:07:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-12 19:07:05,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:05,041 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:05,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 19:07:05,042 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:05,042 INFO L82 PathProgramCache]: Analyzing trace with hash 800847598, now seen corresponding path program 1 times [2020-10-12 19:07:05,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:05,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347434280] [2020-10-12 19:07:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-10-12 19:07:05,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-12 19:07:05,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-10-12 19:07:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:07:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,466 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-12 19:07:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:05,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:05,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:05,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 19:07:05,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:05,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:05,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:05,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:05,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:05,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:05,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:05,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:05,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:05,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:05,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:05,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:05,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:07:05,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:05,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:05,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:05,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:05,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:05,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:05,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:05,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2020-10-12 19:07:05,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347434280] [2020-10-12 19:07:05,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:05,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 19:07:05,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652421288] [2020-10-12 19:07:05,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 19:07:05,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 19:07:05,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 19:07:05,823 INFO L87 Difference]: Start difference. First operand 307 states and 403 transitions. Second operand 7 states. [2020-10-12 19:07:07,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:07,204 INFO L93 Difference]: Finished difference Result 501 states and 682 transitions. [2020-10-12 19:07:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 19:07:07,205 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 232 [2020-10-12 19:07:07,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:07,209 INFO L225 Difference]: With dead ends: 501 [2020-10-12 19:07:07,209 INFO L226 Difference]: Without dead ends: 329 [2020-10-12 19:07:07,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-12 19:07:07,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-12 19:07:07,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 312. [2020-10-12 19:07:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-12 19:07:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 407 transitions. [2020-10-12 19:07:07,236 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 407 transitions. Word has length 232 [2020-10-12 19:07:07,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:07,237 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 407 transitions. [2020-10-12 19:07:07,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 19:07:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 407 transitions. [2020-10-12 19:07:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-12 19:07:07,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:07,241 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:07,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 19:07:07,241 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:07,242 INFO L82 PathProgramCache]: Analyzing trace with hash 484035758, now seen corresponding path program 1 times [2020-10-12 19:07:07,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:07,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595565969] [2020-10-12 19:07:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 19:07:07,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-12 19:07:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 289 [2020-10-12 19:07:07,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:07,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:07,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:07,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:07,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 19:07:07,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:07,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:07,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:07,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:07,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:07,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:07,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:07,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:07,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:07,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:07,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-12 19:07:07,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595565969] [2020-10-12 19:07:07,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:07,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 19:07:07,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204766055] [2020-10-12 19:07:07,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 19:07:07,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:07,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 19:07:07,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-12 19:07:07,994 INFO L87 Difference]: Start difference. First operand 312 states and 407 transitions. Second operand 8 states. [2020-10-12 19:07:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:09,301 INFO L93 Difference]: Finished difference Result 490 states and 661 transitions. [2020-10-12 19:07:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 19:07:09,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2020-10-12 19:07:09,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:09,307 INFO L225 Difference]: With dead ends: 490 [2020-10-12 19:07:09,307 INFO L226 Difference]: Without dead ends: 313 [2020-10-12 19:07:09,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-12 19:07:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-10-12 19:07:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 311. [2020-10-12 19:07:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-12 19:07:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 402 transitions. [2020-10-12 19:07:09,335 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 402 transitions. Word has length 245 [2020-10-12 19:07:09,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:09,338 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 402 transitions. [2020-10-12 19:07:09,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 19:07:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 402 transitions. [2020-10-12 19:07:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-10-12 19:07:09,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:09,342 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:09,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 19:07:09,343 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:09,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1447928445, now seen corresponding path program 1 times [2020-10-12 19:07:09,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:09,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89049061] [2020-10-12 19:07:09,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-12 19:07:09,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-12 19:07:09,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 308 [2020-10-12 19:07:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 19:07:09,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:09,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:09,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:09,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 19:07:09,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:09,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:09,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:09,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:09,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:09,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:09,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:09,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:09,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:09,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:09,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:09,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:09,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:09,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:09,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:09,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:09,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:09,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:10,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:10,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:10,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:10,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:10,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:10,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:10,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:10,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:07:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:10,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:10,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:10,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:10,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:10,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:10,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-12 19:07:10,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89049061] [2020-10-12 19:07:10,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:10,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 19:07:10,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905654354] [2020-10-12 19:07:10,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 19:07:10,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:10,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 19:07:10,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:10,364 INFO L87 Difference]: Start difference. First operand 311 states and 402 transitions. Second operand 9 states. [2020-10-12 19:07:11,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:11,678 INFO L93 Difference]: Finished difference Result 486 states and 649 transitions. [2020-10-12 19:07:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 19:07:11,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2020-10-12 19:07:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:11,681 INFO L225 Difference]: With dead ends: 486 [2020-10-12 19:07:11,682 INFO L226 Difference]: Without dead ends: 310 [2020-10-12 19:07:11,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:11,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-12 19:07:11,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-12 19:07:11,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-12 19:07:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 399 transitions. [2020-10-12 19:07:11,714 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 399 transitions. Word has length 258 [2020-10-12 19:07:11,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:11,717 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 399 transitions. [2020-10-12 19:07:11,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 19:07:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 399 transitions. [2020-10-12 19:07:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-12 19:07:11,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:11,720 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:11,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 19:07:11,721 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:11,722 INFO L82 PathProgramCache]: Analyzing trace with hash -453212249, now seen corresponding path program 1 times [2020-10-12 19:07:11,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:11,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239343303] [2020-10-12 19:07:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:11,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-10-12 19:07:13,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 19:07:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1868 [2020-10-12 19:07:13,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:07:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 19:07:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:13,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:13,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:13,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:13,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:13,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:13,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:13,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:13,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:13,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:13,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:13,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:13,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:13,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:13,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:13,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:13,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:13,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:13,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:14,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:14,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:07:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:14,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:14,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:14,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:14,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:07:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:07:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:07:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:14,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:14,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2020-10-12 19:07:14,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239343303] [2020-10-12 19:07:14,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:14,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 19:07:14,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119069946] [2020-10-12 19:07:14,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 19:07:14,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:14,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 19:07:14,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 19:07:14,270 INFO L87 Difference]: Start difference. First operand 310 states and 399 transitions. Second operand 9 states. [2020-10-12 19:07:16,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:16,531 INFO L93 Difference]: Finished difference Result 751 states and 998 transitions. [2020-10-12 19:07:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 19:07:16,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2020-10-12 19:07:16,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:16,537 INFO L225 Difference]: With dead ends: 751 [2020-10-12 19:07:16,537 INFO L226 Difference]: Without dead ends: 576 [2020-10-12 19:07:16,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2020-10-12 19:07:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-10-12 19:07:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 570. [2020-10-12 19:07:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-10-12 19:07:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 744 transitions. [2020-10-12 19:07:16,579 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 744 transitions. Word has length 260 [2020-10-12 19:07:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:16,580 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 744 transitions. [2020-10-12 19:07:16,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 19:07:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 744 transitions. [2020-10-12 19:07:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-10-12 19:07:16,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:16,582 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:16,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 19:07:16,583 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:16,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash 151787074, now seen corresponding path program 1 times [2020-10-12 19:07:16,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:16,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262140881] [2020-10-12 19:07:16,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:16,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:17,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:17,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:18,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-10-12 19:07:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:07:21,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 19:07:21,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 19:07:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 256 [2020-10-12 19:07:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 19:07:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:21,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:21,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:21,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:21,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:21,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:21,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:21,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:21,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:21,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:21,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:21,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:07:21,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:21,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:21,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:21,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:21,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:21,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:21,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:21,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:22,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:07:22,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:07:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:07:22,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:07:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:22,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:07:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:07:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:22,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:22,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:22,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:07:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:07:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:07:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:22,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 19:07:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:07:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 19:07:22,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 19:07:22,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:22,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:22,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:22,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:07:22,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:22,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:07:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:22,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:22,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:07:22,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:22,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 19:07:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:22,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2020-10-12 19:07:22,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262140881] [2020-10-12 19:07:22,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:22,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 19:07:22,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750139751] [2020-10-12 19:07:22,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:07:22,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:22,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:07:22,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:07:22,738 INFO L87 Difference]: Start difference. First operand 570 states and 744 transitions. Second operand 20 states. [2020-10-12 19:07:22,943 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-12 19:07:24,594 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-12 19:07:27,646 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2020-10-12 19:07:31,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:31,012 INFO L93 Difference]: Finished difference Result 1410 states and 1941 transitions. [2020-10-12 19:07:31,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 19:07:31,013 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 299 [2020-10-12 19:07:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:31,018 INFO L225 Difference]: With dead ends: 1410 [2020-10-12 19:07:31,019 INFO L226 Difference]: Without dead ends: 1070 [2020-10-12 19:07:31,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=647, Invalid=2323, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 19:07:31,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-10-12 19:07:31,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 945. [2020-10-12 19:07:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2020-10-12 19:07:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1252 transitions. [2020-10-12 19:07:31,108 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1252 transitions. Word has length 299 [2020-10-12 19:07:31,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:31,109 INFO L479 AbstractCegarLoop]: Abstraction has 945 states and 1252 transitions. [2020-10-12 19:07:31,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:07:31,109 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1252 transitions. [2020-10-12 19:07:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-12 19:07:31,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:31,112 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:31,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 19:07:31,113 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:31,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:31,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1689138976, now seen corresponding path program 1 times [2020-10-12 19:07:31,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:31,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940461328] [2020-10-12 19:07:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:31,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:36,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:36,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-12 19:07:36,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 19:07:36,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 19:07:36,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:36,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 19:07:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 19:07:36,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 321 [2020-10-12 19:07:36,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:36,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:36,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:36,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:36,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:36,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:07:36,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:38,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:38,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2405 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:38,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:38,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:38,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 19:07:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 19:07:39,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:39,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:39,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 19:07:39,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 19:07:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:39,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:39,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 19:07:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:39,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:39,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 19:07:39,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:39,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:39,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:39,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:07:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:07:39,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:07:39,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:07:39,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:07:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:07:39,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:39,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:07:39,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:07:39,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:07:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:39,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:07:39,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:07:39,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:07:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:07:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:07:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:07:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:07:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 19:07:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:39,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:07:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:39,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:39,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:39,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:39,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:39,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:07:39,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:07:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 19:07:39,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:07:39,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:40,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:40,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:40,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:40,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:40,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:40,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:40,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:40,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:40,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:40,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:40,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:07:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:40,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:40,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:40,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:40,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:40,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:40,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:40,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:40,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:40,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:07:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:40,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:07:40,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 19 proven. 148 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2020-10-12 19:07:40,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940461328] [2020-10-12 19:07:40,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:07:40,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 19:07:40,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019620544] [2020-10-12 19:07:40,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 19:07:40,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:40,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 19:07:40,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:07:40,140 INFO L87 Difference]: Start difference. First operand 945 states and 1252 transitions. Second operand 22 states. [2020-10-12 19:07:40,975 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-10-12 19:07:41,206 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 106 [2020-10-12 19:07:41,814 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2020-10-12 19:07:49,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:49,986 INFO L93 Difference]: Finished difference Result 2723 states and 3699 transitions. [2020-10-12 19:07:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 19:07:49,986 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 301 [2020-10-12 19:07:49,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:49,997 INFO L225 Difference]: With dead ends: 2723 [2020-10-12 19:07:49,997 INFO L226 Difference]: Without dead ends: 2063 [2020-10-12 19:07:50,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 70 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=746, Invalid=3036, Unknown=0, NotChecked=0, Total=3782 [2020-10-12 19:07:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2020-10-12 19:07:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 1949. [2020-10-12 19:07:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1949 states. [2020-10-12 19:07:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1949 states and 2644 transitions. [2020-10-12 19:07:50,170 INFO L78 Accepts]: Start accepts. Automaton has 1949 states and 2644 transitions. Word has length 301 [2020-10-12 19:07:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:50,171 INFO L479 AbstractCegarLoop]: Abstraction has 1949 states and 2644 transitions. [2020-10-12 19:07:50,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 19:07:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2644 transitions. [2020-10-12 19:07:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-12 19:07:50,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:50,176 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 10, 10, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:50,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 19:07:50,176 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:50,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:50,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1700455103, now seen corresponding path program 1 times [2020-10-12 19:07:50,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:50,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098045268] [2020-10-12 19:07:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:50,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:50,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-12 19:07:51,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 361 [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:07:51,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:07:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:07:51,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:07:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:07:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:07:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:07:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-10-12 19:07:51,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:07:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:07:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:07:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:07:51,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:07:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:07:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:07:51,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:07:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:07:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:07:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:07:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:07:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:07:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:07:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:07:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:51,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:07:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:07:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:07:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:07:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:07:51,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:07:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 19:07:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:07:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:07:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:07:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:07:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:07:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:07:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:51,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:07:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:07:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-10-12 19:07:51,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098045268] [2020-10-12 19:07:51,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:07:51,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-12 19:07:51,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443087023] [2020-10-12 19:07:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 19:07:51,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:07:51,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 19:07:51,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-10-12 19:07:51,923 INFO L87 Difference]: Start difference. First operand 1949 states and 2644 transitions. Second operand 16 states. [2020-10-12 19:07:52,211 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-12 19:07:55,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:07:55,125 INFO L93 Difference]: Finished difference Result 2979 states and 4113 transitions. [2020-10-12 19:07:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 19:07:55,127 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 301 [2020-10-12 19:07:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:07:55,137 INFO L225 Difference]: With dead ends: 2979 [2020-10-12 19:07:55,137 INFO L226 Difference]: Without dead ends: 1569 [2020-10-12 19:07:55,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2020-10-12 19:07:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2020-10-12 19:07:55,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1543. [2020-10-12 19:07:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1543 states. [2020-10-12 19:07:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 1964 transitions. [2020-10-12 19:07:55,273 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 1964 transitions. Word has length 301 [2020-10-12 19:07:55,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:07:55,274 INFO L479 AbstractCegarLoop]: Abstraction has 1543 states and 1964 transitions. [2020-10-12 19:07:55,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 19:07:55,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1964 transitions. [2020-10-12 19:07:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-10-12 19:07:55,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:07:55,280 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:07:55,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 19:07:55,280 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:07:55,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:07:55,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1212365857, now seen corresponding path program 1 times [2020-10-12 19:07:55,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:07:55,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576205695] [2020-10-12 19:07:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:07:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:07:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:55,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:07:58,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-10-12 19:08:00,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 19:08:00,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 19:08:00,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 19:08:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-10-12 19:08:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 19:08:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:00,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 19:08:05,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 19:08:05,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 19:08:05,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-12 19:08:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 19:08:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:05,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 19:08:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:05,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 19:08:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:05,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 19:08:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:08:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:05,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:05,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:05,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 19:08:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:05,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:05,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 19:08:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:05,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:05,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:06,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:06,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-12 19:08:06,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 19:08:06,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 19:08:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:06,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 19:08:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:06,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-12 19:08:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:06,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:06,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:08:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 19:08:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:08:06,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-12 19:08:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:08:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 19:08:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 19:08:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 19:08:06,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 19:08:06,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:06,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:06,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:06,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:06,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 19:08:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:06,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 161 proven. 179 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2020-10-12 19:08:07,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576205695] [2020-10-12 19:08:07,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:07,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 19:08:07,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796186828] [2020-10-12 19:08:07,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 19:08:07,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 19:08:07,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2020-10-12 19:08:07,061 INFO L87 Difference]: Start difference. First operand 1543 states and 1964 transitions. Second operand 27 states. [2020-10-12 19:08:07,476 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-10-12 19:08:07,734 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-10-12 19:08:07,960 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2020-10-12 19:08:08,427 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2020-10-12 19:08:09,166 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2020-10-12 19:08:09,318 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 19:08:09,835 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-10-12 19:08:10,138 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-12 19:08:10,386 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-10-12 19:08:10,815 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-10-12 19:08:13,143 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-10-12 19:08:13,388 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-12 19:08:16,428 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 19:08:17,274 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-10-12 19:08:17,584 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2020-10-12 19:08:21,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:21,476 INFO L93 Difference]: Finished difference Result 3627 states and 4807 transitions. [2020-10-12 19:08:21,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-12 19:08:21,477 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 312 [2020-10-12 19:08:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:21,488 INFO L225 Difference]: With dead ends: 3627 [2020-10-12 19:08:21,488 INFO L226 Difference]: Without dead ends: 2057 [2020-10-12 19:08:21,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1609 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=993, Invalid=5169, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 19:08:21,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2020-10-12 19:08:21,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1763. [2020-10-12 19:08:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1763 states. [2020-10-12 19:08:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2251 transitions. [2020-10-12 19:08:21,683 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2251 transitions. Word has length 312 [2020-10-12 19:08:21,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:21,683 INFO L479 AbstractCegarLoop]: Abstraction has 1763 states and 2251 transitions. [2020-10-12 19:08:21,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 19:08:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2251 transitions. [2020-10-12 19:08:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-10-12 19:08:21,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:21,690 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 7, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:21,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 19:08:21,691 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1813348789, now seen corresponding path program 1 times [2020-10-12 19:08:21,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:21,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115057286] [2020-10-12 19:08:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:21,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:21,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:22,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:22,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:26,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:26,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 393 [2020-10-12 19:08:26,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:08:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 19:08:26,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 19:08:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-12 19:08:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-12 19:08:26,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:26,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:26,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:26,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:26,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:26,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:26,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:26,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:26,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:27,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:27,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2436 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 19:08:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:29,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:29,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:29,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:29,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:29,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:29,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:29,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:30,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-10-12 19:08:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 19:08:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 19:08:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 19:08:30,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:30,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:30,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:30,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 19:08:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 19:08:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 19:08:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:08:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:08:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 19:08:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:30,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:30,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 19:08:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:08:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:08:30,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 19:08:30,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 19:08:30,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:08:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 19:08:30,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 19:08:30,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 19:08:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 19:08:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:30,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:30,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:30,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:30,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:30,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:30,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:30,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:30,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:30,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:30,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:08:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:08:30,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:30,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:30,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:30,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 19:08:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 19:08:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:30,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:30,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:30,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:08:30,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:30,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 19:08:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 63 proven. 135 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2020-10-12 19:08:31,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115057286] [2020-10-12 19:08:31,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:31,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 19:08:31,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709901738] [2020-10-12 19:08:31,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 19:08:31,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:31,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 19:08:31,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:08:31,118 INFO L87 Difference]: Start difference. First operand 1763 states and 2251 transitions. Second operand 22 states. [2020-10-12 19:08:31,940 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-10-12 19:08:32,074 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 19:08:32,219 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-12 19:08:32,778 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-10-12 19:08:36,026 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-10-12 19:08:40,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:08:40,598 INFO L93 Difference]: Finished difference Result 3487 states and 4446 transitions. [2020-10-12 19:08:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-12 19:08:40,600 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-10-12 19:08:40,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:08:40,612 INFO L225 Difference]: With dead ends: 3487 [2020-10-12 19:08:40,612 INFO L226 Difference]: Without dead ends: 2289 [2020-10-12 19:08:40,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=764, Invalid=3268, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 19:08:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2020-10-12 19:08:40,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2149. [2020-10-12 19:08:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2149 states. [2020-10-12 19:08:40,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2710 transitions. [2020-10-12 19:08:40,825 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2710 transitions. Word has length 319 [2020-10-12 19:08:40,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:08:40,825 INFO L479 AbstractCegarLoop]: Abstraction has 2149 states and 2710 transitions. [2020-10-12 19:08:40,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 19:08:40,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2710 transitions. [2020-10-12 19:08:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-12 19:08:40,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:08:40,831 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:08:40,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 19:08:40,832 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:08:40,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:08:40,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1089075872, now seen corresponding path program 1 times [2020-10-12 19:08:40,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:08:40,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1653743089] [2020-10-12 19:08:40,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:08:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:41,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:41,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:41,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:41,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:41,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 406 [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 19:08:45,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:08:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 19:08:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:08:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:08:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:08:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:08:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:46,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:08:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:46,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:08:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:08:46,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:08:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:08:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:08:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:08:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:08:46,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:46,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:08:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:08:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:08:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:08:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:08:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:08:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:08:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:46,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:08:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:08:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 19:08:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:08:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:08:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:08:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:46,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:08:46,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:08:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:08:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:08:46,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:08:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:08:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:46,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:08:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:08:46,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:08:46,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 19:08:46,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:08:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:08:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:08:46,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:08:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:08:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:08:46,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:08:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:08:46,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:08:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:08:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:08:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:08:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:08:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:08:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:08:46,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:08:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:08:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:08:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:08:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2020-10-12 19:08:46,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1653743089] [2020-10-12 19:08:46,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:08:46,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 19:08:46,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058664923] [2020-10-12 19:08:46,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 19:08:46,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:08:46,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 19:08:46,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-10-12 19:08:46,832 INFO L87 Difference]: Start difference. First operand 2149 states and 2710 transitions. Second operand 19 states. [2020-10-12 19:09:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:01,427 INFO L93 Difference]: Finished difference Result 7446 states and 10357 transitions. [2020-10-12 19:09:01,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 19:09:01,428 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 330 [2020-10-12 19:09:01,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:01,473 INFO L225 Difference]: With dead ends: 7446 [2020-10-12 19:09:01,473 INFO L226 Difference]: Without dead ends: 5749 [2020-10-12 19:09:01,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1721 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=846, Invalid=4854, Unknown=0, NotChecked=0, Total=5700 [2020-10-12 19:09:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5749 states. [2020-10-12 19:09:01,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5749 to 3220. [2020-10-12 19:09:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3220 states. [2020-10-12 19:09:01,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 3220 states and 4187 transitions. [2020-10-12 19:09:01,958 INFO L78 Accepts]: Start accepts. Automaton has 3220 states and 4187 transitions. Word has length 330 [2020-10-12 19:09:01,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:01,959 INFO L479 AbstractCegarLoop]: Abstraction has 3220 states and 4187 transitions. [2020-10-12 19:09:01,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 19:09:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4187 transitions. [2020-10-12 19:09:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-12 19:09:01,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:01,964 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:09:01,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 19:09:01,964 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:01,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:01,964 INFO L82 PathProgramCache]: Analyzing trace with hash 905068834, now seen corresponding path program 1 times [2020-10-12 19:09:01,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:01,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50820848] [2020-10-12 19:09:01,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 406 [2020-10-12 19:09:02,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:09:02,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-12 19:09:02,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 364 [2020-10-12 19:09:02,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 19:09:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:02,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:02,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:02,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:02,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:02,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:02,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:02,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:02,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 19:09:02,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:02,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 19:09:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:02,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 19:09:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 19:09:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:09:02,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:02,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 19:09:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-12 19:09:02,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 19:09:02,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:03,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:03,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:03,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:03,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:09:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:03,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:03,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:09:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:09:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:03,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:03,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2020-10-12 19:09:03,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50820848] [2020-10-12 19:09:03,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:09:03,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 19:09:03,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754061332] [2020-10-12 19:09:03,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 19:09:03,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:03,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 19:09:03,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-12 19:09:03,113 INFO L87 Difference]: Start difference. First operand 3220 states and 4187 transitions. Second operand 13 states. [2020-10-12 19:09:06,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:06,118 INFO L93 Difference]: Finished difference Result 6915 states and 9578 transitions. [2020-10-12 19:09:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 19:09:06,119 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 330 [2020-10-12 19:09:06,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:06,143 INFO L225 Difference]: With dead ends: 6915 [2020-10-12 19:09:06,143 INFO L226 Difference]: Without dead ends: 4364 [2020-10-12 19:09:06,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2020-10-12 19:09:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2020-10-12 19:09:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 3418. [2020-10-12 19:09:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3418 states. [2020-10-12 19:09:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3418 states to 3418 states and 4537 transitions. [2020-10-12 19:09:06,492 INFO L78 Accepts]: Start accepts. Automaton has 3418 states and 4537 transitions. Word has length 330 [2020-10-12 19:09:06,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:06,493 INFO L479 AbstractCegarLoop]: Abstraction has 3418 states and 4537 transitions. [2020-10-12 19:09:06,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 19:09:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 4537 transitions. [2020-10-12 19:09:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-12 19:09:06,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:06,497 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:09:06,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 19:09:06,497 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:06,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:06,498 INFO L82 PathProgramCache]: Analyzing trace with hash 993603627, now seen corresponding path program 1 times [2020-10-12 19:09:06,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:06,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679753525] [2020-10-12 19:09:06,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:06,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-12 19:09:11,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:11,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:11,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:11,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:11,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:09:11,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:09:11,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:09:11,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:09:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:09:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:09:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:11,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:11,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:11,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:11,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:11,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:11,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:11,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:09:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:12,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 19:09:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 19:09:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 19:09:12,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 19:09:12,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:12,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:12,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:12,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:12,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:12,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:12,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:09:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:12,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:09:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:12,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:09:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:12,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 19:09:12,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:12,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:09:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:12,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:12,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:12,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:12,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 19:09:12,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 19:09:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:12,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:12,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2020-10-12 19:09:12,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679753525] [2020-10-12 19:09:12,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 19:09:12,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 19:09:12,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99993931] [2020-10-12 19:09:12,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:09:12,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:12,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:09:12,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:09:12,547 INFO L87 Difference]: Start difference. First operand 3418 states and 4537 transitions. Second operand 20 states. [2020-10-12 19:09:18,141 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 19:09:21,778 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-12 19:09:22,573 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-12 19:09:22,722 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-12 19:09:26,446 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 19:09:26,707 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 19:09:29,474 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-12 19:09:33,649 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-12 19:09:34,032 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-12 19:09:34,940 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 19:09:41,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:41,277 INFO L93 Difference]: Finished difference Result 9914 states and 13558 transitions. [2020-10-12 19:09:41,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2020-10-12 19:09:41,278 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 336 [2020-10-12 19:09:41,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:41,308 INFO L225 Difference]: With dead ends: 9914 [2020-10-12 19:09:41,308 INFO L226 Difference]: Without dead ends: 7059 [2020-10-12 19:09:41,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5477 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=2065, Invalid=13187, Unknown=0, NotChecked=0, Total=15252 [2020-10-12 19:09:41,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7059 states. [2020-10-12 19:09:42,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7059 to 5314. [2020-10-12 19:09:42,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5314 states. [2020-10-12 19:09:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 7118 transitions. [2020-10-12 19:09:42,046 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 7118 transitions. Word has length 336 [2020-10-12 19:09:42,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:42,047 INFO L479 AbstractCegarLoop]: Abstraction has 5314 states and 7118 transitions. [2020-10-12 19:09:42,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:09:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 7118 transitions. [2020-10-12 19:09:42,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-12 19:09:42,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:42,051 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 8, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:09:42,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 19:09:42,051 INFO L427 AbstractCegarLoop]: === Iteration 28 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:42,052 INFO L82 PathProgramCache]: Analyzing trace with hash 600576617, now seen corresponding path program 1 times [2020-10-12 19:09:42,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:42,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088096232] [2020-10-12 19:09:42,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:42,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 414 [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 19:09:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 249 [2020-10-12 19:09:47,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-12 19:09:47,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 19:09:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 19:09:47,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:47,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 19:09:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 19:09:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 19:09:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 19:09:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 19:09:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:47,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 19:09:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 19:09:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:47,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 19:09:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 19:09:47,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 19:09:47,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 19:09:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 19:09:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:47,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 19:09:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 19:09:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 19:09:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 19:09:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 19:09:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 19:09:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 19:09:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 19:09:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 19:09:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 19:09:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 19:09:47,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 19:09:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 19:09:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 19:09:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 19:09:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 19:09:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 19:09:47,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 19:09:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 19:09:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 19:09:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 19:09:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 19:09:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 19:09:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 19:09:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 19:09:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 19:09:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 19:09:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 19:09:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 19:09:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2020-10-12 19:09:47,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088096232] [2020-10-12 19:09:47,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 19:09:47,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-12 19:09:47,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787385693] [2020-10-12 19:09:47,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 19:09:47,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 19:09:47,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 19:09:47,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-10-12 19:09:47,950 INFO L87 Difference]: Start difference. First operand 5314 states and 7118 transitions. Second operand 20 states. [2020-10-12 19:09:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 19:09:57,689 INFO L93 Difference]: Finished difference Result 14981 states and 20230 transitions. [2020-10-12 19:09:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 19:09:57,690 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 336 [2020-10-12 19:09:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 19:09:57,729 INFO L225 Difference]: With dead ends: 14981 [2020-10-12 19:09:57,729 INFO L226 Difference]: Without dead ends: 10124 [2020-10-12 19:09:57,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=484, Invalid=2486, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 19:09:57,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10124 states. [2020-10-12 19:09:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10124 to 6354. [2020-10-12 19:09:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6354 states. [2020-10-12 19:09:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6354 states to 6354 states and 8547 transitions. [2020-10-12 19:09:58,441 INFO L78 Accepts]: Start accepts. Automaton has 6354 states and 8547 transitions. Word has length 336 [2020-10-12 19:09:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 19:09:58,442 INFO L479 AbstractCegarLoop]: Abstraction has 6354 states and 8547 transitions. [2020-10-12 19:09:58,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 19:09:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 6354 states and 8547 transitions. [2020-10-12 19:09:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-12 19:09:58,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 19:09:58,445 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 9, 8, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 19:09:58,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 19:09:58,446 INFO L427 AbstractCegarLoop]: === Iteration 29 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 19:09:58,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 19:09:58,446 INFO L82 PathProgramCache]: Analyzing trace with hash 861730607, now seen corresponding path program 1 times [2020-10-12 19:09:58,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 19:09:58,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210573986] [2020-10-12 19:09:58,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 19:09:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 19:09:58,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:58,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 19:09:58,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking...