/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:45:48,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:45:48,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:45:48,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:45:48,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:45:48,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:45:48,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:45:48,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:45:48,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:45:48,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:45:48,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:45:48,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:45:48,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:45:48,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:45:48,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:45:48,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:45:48,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:45:48,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:45:48,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:45:48,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:45:48,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:45:48,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:45:48,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:45:48,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:45:48,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:45:48,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:45:48,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:45:48,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:45:48,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:45:48,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:45:48,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:45:48,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:45:48,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:45:48,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:45:48,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:45:48,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:45:48,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:45:48,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:45:48,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:45:48,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:45:48,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:45:48,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:45:48,656 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:45:48,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:45:48,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:45:48,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:45:48,659 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:45:48,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:45:48,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:45:48,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:45:48,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:45:48,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:45:48,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:45:48,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:45:48,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:45:48,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:45:48,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:45:48,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:45:48,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:45:48,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:45:48,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:45:48,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:45:48,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:45:48,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:45:48,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:45:48,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:45:48,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:45:48,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:45:48,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:45:48,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:45:48,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:45:48,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:45:49,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:45:49,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:45:49,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:45:49,220 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:45:49,220 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:45:49,221 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 05:45:49,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/574263180/7d00ed1dc8e4464d9328e8885eee73b1/FLAGac33c6a18 [2020-09-25 05:45:49,935 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:45:49,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 05:45:49,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/574263180/7d00ed1dc8e4464d9328e8885eee73b1/FLAGac33c6a18 [2020-09-25 05:45:50,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/574263180/7d00ed1dc8e4464d9328e8885eee73b1 [2020-09-25 05:45:50,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:45:50,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:45:50,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:50,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:45:50,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:45:50,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d5d771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50, skipping insertion in model container [2020-09-25 05:45:50,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:45:50,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:45:50,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:50,624 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:45:50,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:50,777 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:45:50,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50 WrapperNode [2020-09-25 05:45:50,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:50,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:45:50,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:45:50,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:45:50,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:45:50,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:45:50,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:45:50,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:45:50,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:45:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 05:45:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 05:45:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 05:45:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 05:45:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 05:45:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 05:45:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 05:45:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 05:45:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 05:45:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 05:45:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 05:45:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:45:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:45:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 05:45:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 05:45:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:45:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:45:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:45:51,718 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:45:51,719 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:45:51,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:51 BoogieIcfgContainer [2020-09-25 05:45:51,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:45:51,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:45:51,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:45:51,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:45:51,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:45:50" (1/3) ... [2020-09-25 05:45:51,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c05f842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:51, skipping insertion in model container [2020-09-25 05:45:51,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (2/3) ... [2020-09-25 05:45:51,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c05f842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:51, skipping insertion in model container [2020-09-25 05:45:51,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:51" (3/3) ... [2020-09-25 05:45:51,741 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2020-09-25 05:45:51,754 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:45:51,766 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:45:51,790 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:45:51,825 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:45:51,825 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:45:51,825 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:45:51,825 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:45:51,825 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:45:51,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:45:51,826 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:45:51,826 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:45:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 05:45:51,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-25 05:45:51,876 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:45:51,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:45:51,878 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:45:51,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:45:51,887 INFO L82 PathProgramCache]: Analyzing trace with hash 356343399, now seen corresponding path program 1 times [2020-09-25 05:45:51,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:45:51,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544903094] [2020-09-25 05:45:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:45:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:52,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 05:45:54,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:45:54,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2401 [2020-09-25 05:45:54,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:45:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 05:45:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 05:45:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:45:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:45:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:45:54,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:45:54,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 05:45:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:45:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:45:54,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:45:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:45:54,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:54,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 05:45:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:45:54,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:45:54,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:54,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:45:54,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 05:45:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:45:54,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:45:54,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:54,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 05:45:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:45:54,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:45:54,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:45:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:45:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:45:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:55,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:55,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:45:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:55,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:45:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:55,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:55,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:55,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:55,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:45:55,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:55,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:55,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:45:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:55,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:55,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:45:55,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:55,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:55,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:45:55,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 05:45:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:55,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:55,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:45:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:45:55,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:55,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:45:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:45:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 05:45:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:55,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:55,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:55,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:45:55,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:55,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:55,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:55,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:45:55,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544903094] [2020-09-25 05:45:55,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:45:55,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:45:55,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208186184] [2020-09-25 05:45:55,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:45:55,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:45:55,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:45:55,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:45:55,264 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 7 states. [2020-09-25 05:45:58,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:45:58,377 INFO L93 Difference]: Finished difference Result 1032 states and 1419 transitions. [2020-09-25 05:45:58,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:45:58,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-09-25 05:45:58,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:45:58,411 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 05:45:58,411 INFO L226 Difference]: Without dead ends: 774 [2020-09-25 05:45:58,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 05:45:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-25 05:45:58,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 562. [2020-09-25 05:45:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 05:45:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 711 transitions. [2020-09-25 05:45:58,564 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 711 transitions. Word has length 134 [2020-09-25 05:45:58,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:45:58,566 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 711 transitions. [2020-09-25 05:45:58,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:45:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 711 transitions. [2020-09-25 05:45:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 05:45:58,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:45:58,585 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:45:58,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:45:58,586 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:45:58,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:45:58,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1876371016, now seen corresponding path program 1 times [2020-09-25 05:45:58,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:45:58,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729621320] [2020-09-25 05:45:58,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:45:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-25 05:46:03,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:46:03,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 05:46:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-25 05:46:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:46:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:46:03,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:46:03,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 05:46:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:03,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:03,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:03,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 05:46:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:03,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:03,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:03,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 05:46:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 05:46:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:03,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:03,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:03,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:03,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:03,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:03,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:03,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:03,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:03,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 05:46:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:04,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:04,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 05:46:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:04,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:04,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 05:46:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:46:04,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 05:46:04,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:46:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:46:04,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:04,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:04,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:04,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:04,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:04,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:04,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:04,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 05:46:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:04,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:04,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:04,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:46:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:04,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:04,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:04,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-25 05:46:04,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729621320] [2020-09-25 05:46:04,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:04,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:46:04,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307766109] [2020-09-25 05:46:04,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:46:04,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:04,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:46:04,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:46:04,281 INFO L87 Difference]: Start difference. First operand 562 states and 711 transitions. Second operand 8 states. [2020-09-25 05:46:07,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:07,261 INFO L93 Difference]: Finished difference Result 1967 states and 2655 transitions. [2020-09-25 05:46:07,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 05:46:07,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2020-09-25 05:46:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:07,291 INFO L225 Difference]: With dead ends: 1967 [2020-09-25 05:46:07,291 INFO L226 Difference]: Without dead ends: 1454 [2020-09-25 05:46:07,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 05:46:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2020-09-25 05:46:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1047. [2020-09-25 05:46:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-09-25 05:46:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1380 transitions. [2020-09-25 05:46:07,461 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1380 transitions. Word has length 213 [2020-09-25 05:46:07,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:07,463 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1380 transitions. [2020-09-25 05:46:07,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1380 transitions. [2020-09-25 05:46:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-09-25 05:46:07,477 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:07,479 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:07,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:46:07,479 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash -2059959390, now seen corresponding path program 1 times [2020-09-25 05:46:07,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:07,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105645674] [2020-09-25 05:46:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 425 [2020-09-25 05:46:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 05:46:12,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 05:46:12,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 221 [2020-09-25 05:46:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 05:46:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:46:12,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:46:12,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 05:46:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:12,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:12,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 05:46:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:12,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:12,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 05:46:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:12,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 05:46:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:12,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:12,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:12,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:12,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:12,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:12,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:12,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:12,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 05:46:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:12,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:12,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 05:46:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:12,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:12,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:12,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:12,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:12,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:12,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:12,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:12,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:12,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:46:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:12,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-25 05:46:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:46:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-09-25 05:46:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 05:46:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 05:46:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:46:13,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 05:46:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:46:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:13,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 05:46:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:13,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:46:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 05:46:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:46:13,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-25 05:46:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:46:13,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 05:46:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-25 05:46:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 05:46:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:46:13,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:46:13,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:46:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:13,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:13,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 05:46:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:13,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:13,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:13,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 05:46:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 05:46:13,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-25 05:46:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:46:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:46:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 05:46:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 05:46:13,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:13,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 05:46:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:13,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-25 05:46:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 63 proven. 15 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-09-25 05:46:14,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2105645674] [2020-09-25 05:46:14,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:46:14,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 05:46:14,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118627271] [2020-09-25 05:46:14,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:14,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:14,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:14,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:14,028 INFO L87 Difference]: Start difference. First operand 1047 states and 1380 transitions. Second operand 10 states. [2020-09-25 05:46:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:18,583 INFO L93 Difference]: Finished difference Result 3989 states and 5687 transitions. [2020-09-25 05:46:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 05:46:18,584 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 350 [2020-09-25 05:46:18,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:18,616 INFO L225 Difference]: With dead ends: 3989 [2020-09-25 05:46:18,616 INFO L226 Difference]: Without dead ends: 3000 [2020-09-25 05:46:18,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-25 05:46:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2020-09-25 05:46:18,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2052. [2020-09-25 05:46:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-09-25 05:46:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2690 transitions. [2020-09-25 05:46:18,830 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2690 transitions. Word has length 350 [2020-09-25 05:46:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:18,831 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2690 transitions. [2020-09-25 05:46:18,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:46:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2690 transitions. [2020-09-25 05:46:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-25 05:46:18,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:18,846 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:18,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:46:18,847 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:18,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1933431879, now seen corresponding path program 1 times [2020-09-25 05:46:18,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:18,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264220507] [2020-09-25 05:46:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:19,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:19,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:20,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:23,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:23,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 05:46:23,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 05:46:23,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 05:46:23,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:23,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 237 [2020-09-25 05:46:23,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 05:46:23,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:23,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:23,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:46:24,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:24,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 05:46:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:24,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:24,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 05:46:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:24,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:24,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 05:46:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:24,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 05:46:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:24,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 05:46:24,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 05:46:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:24,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 05:46:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 05:46:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:46:24,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:46:24,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:46:24,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:24,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 05:46:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 05:46:24,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 05:46:24,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:46:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 05:46:24,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:46:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 05:46:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 05:46:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 05:46:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 05:46:24,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 05:46:24,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:46:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 05:46:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-25 05:46:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-09-25 05:46:24,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264220507] [2020-09-25 05:46:24,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:24,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:46:24,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835176258] [2020-09-25 05:46:24,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:24,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:24,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:24,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:24,528 INFO L87 Difference]: Start difference. First operand 2052 states and 2690 transitions. Second operand 10 states. [2020-09-25 05:46:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:29,041 INFO L93 Difference]: Finished difference Result 7271 states and 10309 transitions. [2020-09-25 05:46:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 05:46:29,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-09-25 05:46:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:29,075 INFO L225 Difference]: With dead ends: 7271 [2020-09-25 05:46:29,076 INFO L226 Difference]: Without dead ends: 5277 [2020-09-25 05:46:29,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-25 05:46:29,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2020-09-25 05:46:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 3895. [2020-09-25 05:46:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3895 states. [2020-09-25 05:46:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 5064 transitions. [2020-09-25 05:46:29,360 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 5064 transitions. Word has length 274 [2020-09-25 05:46:29,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:29,360 INFO L479 AbstractCegarLoop]: Abstraction has 3895 states and 5064 transitions. [2020-09-25 05:46:29,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:46:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 5064 transitions. [2020-09-25 05:46:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-09-25 05:46:29,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:29,380 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:29,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:46:29,381 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:29,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:29,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1319590809, now seen corresponding path program 1 times [2020-09-25 05:46:29,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:29,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985896979] [2020-09-25 05:46:29,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:29,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-09-25 05:46:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:46:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 05:46:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:34,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:34,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 05:46:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 05:46:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 05:46:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:34,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 05:46:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 05:46:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 05:46:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 05:46:34,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:46:34,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:46:34,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 05:46:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:46:34,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 05:46:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-25 05:46:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 05:46:34,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 05:46:34,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-25 05:46:34,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 05:46:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:46:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 05:46:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-25 05:46:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:34,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:34,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,974 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-09-25 05:46:34,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985896979] [2020-09-25 05:46:34,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:46:34,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 05:46:34,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222611365] [2020-09-25 05:46:34,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:46:34,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:34,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:46:34,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:46:34,976 INFO L87 Difference]: Start difference. First operand 3895 states and 5064 transitions. Second operand 9 states.