/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:34:02,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:34:02,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:34:02,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:34:02,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:34:02,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:34:02,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:34:02,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:34:02,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:34:02,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:34:02,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:34:02,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:34:02,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:34:02,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:34:02,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:34:02,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:34:02,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:34:02,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:34:02,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:34:02,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:34:02,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:34:02,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:34:02,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:34:02,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:34:02,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:34:02,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:34:02,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:34:02,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:34:02,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:34:02,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:34:02,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:34:02,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:34:02,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:34:02,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:34:02,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:34:02,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:34:02,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:34:02,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:34:02,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:34:02,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:34:02,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:34:02,616 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 12:34:02,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:34:02,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:34:02,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:34:02,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:34:02,644 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:34:02,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:34:02,644 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:34:02,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:34:02,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:34:02,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:34:02,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:34:02,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:34:02,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:34:02,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:34:02,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:34:02,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:34:02,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:34:02,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:34:02,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:34:02,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:34:02,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:34:02,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:34:02,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:34:02,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:34:02,649 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:34:03,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:34:03,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:34:03,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:34:03,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:34:03,184 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:34:03,185 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 12:34:03,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fccb26236/a472384aec334b8e97a25ff50ae13288/FLAG4ff9e974d [2020-09-25 12:34:03,832 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:34:03,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 12:34:03,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fccb26236/a472384aec334b8e97a25ff50ae13288/FLAG4ff9e974d [2020-09-25 12:34:04,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fccb26236/a472384aec334b8e97a25ff50ae13288 [2020-09-25 12:34:04,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:34:04,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:34:04,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:04,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:34:04,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:34:04,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3c9999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04, skipping insertion in model container [2020-09-25 12:34:04,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:34:04,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:34:04,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:04,502 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:34:04,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:04,572 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:34:04,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04 WrapperNode [2020-09-25 12:34:04,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:04,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:34:04,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:34:04,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:34:04,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:34:04,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:34:04,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:34:04,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:34:04,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (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 12:34:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:34:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:34:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 12:34:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 12:34:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 12:34:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 12:34:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 12:34:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 12:34:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 12:34:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 12:34:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 12:34:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 12:34:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 12:34:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 12:34:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 12:34:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:34:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:34:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 12:34:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 12:34:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 12:34:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 12:34:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:34:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 12:34:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 12:34:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 12:34:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 12:34:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 12:34:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 12:34:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 12:34:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 12:34:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 12:34:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:34:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:34:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:34:05,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:34:05,405 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 12:34:05,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:05 BoogieIcfgContainer [2020-09-25 12:34:05,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:34:05,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:34:05,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:34:05,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:34:05,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:34:04" (1/3) ... [2020-09-25 12:34:05,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6972e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:05, skipping insertion in model container [2020-09-25 12:34:05,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04" (2/3) ... [2020-09-25 12:34:05,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6972e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:05, skipping insertion in model container [2020-09-25 12:34:05,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:05" (3/3) ... [2020-09-25 12:34:05,429 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-09-25 12:34:05,442 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:34:05,465 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:34:05,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:34:05,530 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:34:05,530 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:34:05,530 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:34:05,531 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:34:05,531 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:34:05,531 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:34:05,531 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:34:05,531 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:34:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-09-25 12:34:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-25 12:34:05,572 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:05,574 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] [2020-09-25 12:34:05,574 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:05,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:05,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1293744950, now seen corresponding path program 1 times [2020-09-25 12:34:05,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:05,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [330443644] [2020-09-25 12:34:05,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:05,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:06,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 12:34:07,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:07,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1515 [2020-09-25 12:34:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:07,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:34:07,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 12:34:07,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:34:07,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 12:34:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:34:07,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:07,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:34:07,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:07,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:07,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:07,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:07,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 12:34:07,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:34:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:07,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 12:34:07,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 12:34:07,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:07,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:07,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 12:34:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 12:34:07,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:07,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:07,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:07,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:07,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:07,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:07,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:07,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:07,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:34:07,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:07,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:07,976 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 12:34:07,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [330443644] [2020-09-25 12:34:07,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:07,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:34:07,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898784049] [2020-09-25 12:34:07,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:34:07,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:08,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:34:08,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:34:08,020 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 7 states. [2020-09-25 12:34:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:10,196 INFO L93 Difference]: Finished difference Result 795 states and 1069 transitions. [2020-09-25 12:34:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 12:34:10,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-25 12:34:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:10,224 INFO L225 Difference]: With dead ends: 795 [2020-09-25 12:34:10,224 INFO L226 Difference]: Without dead ends: 585 [2020-09-25 12:34:10,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:34:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-25 12:34:10,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 404. [2020-09-25 12:34:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-25 12:34:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 494 transitions. [2020-09-25 12:34:10,356 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 494 transitions. Word has length 110 [2020-09-25 12:34:10,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:10,357 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 494 transitions. [2020-09-25 12:34:10,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:34:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 494 transitions. [2020-09-25 12:34:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 12:34:10,364 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:10,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:10,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:34:10,365 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:10,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1206698500, now seen corresponding path program 1 times [2020-09-25 12:34:10,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:10,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804470556] [2020-09-25 12:34:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:10,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:10,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 12:34:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2086 [2020-09-25 12:34:12,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:34:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-25 12:34:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-25 12:34:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:12,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:12,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:12,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:12,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:12,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:12,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:12,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:12,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:12,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:12,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:12,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 12:34:12,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:12,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:12,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:12,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 12:34:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 12:34:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:34:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 12:34:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:13,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 12:34:13,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:34:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 12:34:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:13,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:13,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 12:34:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:13,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:13,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:13,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:13,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:13,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:13,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 12:34:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:13,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:13,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:13,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:13,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:13,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:13,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:13,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:13,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 12:34:13,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804470556] [2020-09-25 12:34:13,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:13,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:13,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885546038] [2020-09-25 12:34:13,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:13,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:13,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:13,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:13,233 INFO L87 Difference]: Start difference. First operand 404 states and 494 transitions. Second operand 9 states. [2020-09-25 12:34:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:16,521 INFO L93 Difference]: Finished difference Result 1565 states and 2151 transitions. [2020-09-25 12:34:16,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 12:34:16,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-09-25 12:34:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:16,536 INFO L225 Difference]: With dead ends: 1565 [2020-09-25 12:34:16,536 INFO L226 Difference]: Without dead ends: 1201 [2020-09-25 12:34:16,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2020-09-25 12:34:16,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-09-25 12:34:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 779. [2020-09-25 12:34:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-09-25 12:34:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 989 transitions. [2020-09-25 12:34:16,682 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 989 transitions. Word has length 176 [2020-09-25 12:34:16,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:16,683 INFO L479 AbstractCegarLoop]: Abstraction has 779 states and 989 transitions. [2020-09-25 12:34:16,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 989 transitions. [2020-09-25 12:34:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 12:34:16,689 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:16,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:16,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:34:16,690 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:16,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1035885988, now seen corresponding path program 1 times [2020-09-25 12:34:16,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:16,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578320329] [2020-09-25 12:34:16,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:16,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:16,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 12:34:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-09-25 12:34:17,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 12:34:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:34:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:17,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:17,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:17,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:17,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:17,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:17,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:17,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:17,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 12:34:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:17,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:17,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:17,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 12:34:17,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:17,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:17,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 12:34:17,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 12:34:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-25 12:34:17,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:17,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:17,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:17,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:17,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:17,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:17,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:17,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 12:34:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:17,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:17,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:17,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:17,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:17,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:17,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 12:34:17,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578320329] [2020-09-25 12:34:17,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:17,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:17,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711877936] [2020-09-25 12:34:17,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:17,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:17,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:17,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:17,628 INFO L87 Difference]: Start difference. First operand 779 states and 989 transitions. Second operand 9 states. [2020-09-25 12:34:19,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:19,123 INFO L93 Difference]: Finished difference Result 1828 states and 2383 transitions. [2020-09-25 12:34:19,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:34:19,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-09-25 12:34:19,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:19,133 INFO L225 Difference]: With dead ends: 1828 [2020-09-25 12:34:19,133 INFO L226 Difference]: Without dead ends: 1087 [2020-09-25 12:34:19,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 12:34:19,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2020-09-25 12:34:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 773. [2020-09-25 12:34:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2020-09-25 12:34:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 978 transitions. [2020-09-25 12:34:19,225 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 978 transitions. Word has length 176 [2020-09-25 12:34:19,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:19,225 INFO L479 AbstractCegarLoop]: Abstraction has 773 states and 978 transitions. [2020-09-25 12:34:19,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 978 transitions. [2020-09-25 12:34:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 12:34:19,231 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:19,232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:19,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:34:19,232 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:19,233 INFO L82 PathProgramCache]: Analyzing trace with hash -92911334, now seen corresponding path program 1 times [2020-09-25 12:34:19,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:19,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117998212] [2020-09-25 12:34:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-09-25 12:34:19,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 12:34:19,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-25 12:34:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 12:34:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:19,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:19,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:19,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:19,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:19,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:19,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:19,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:19,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 12:34:19,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 12:34:19,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 12:34:19,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:19,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:19,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:19,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:19,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:19,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 12:34:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:19,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:19,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:34:19,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 12:34:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:19,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-25 12:34:19,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117998212] [2020-09-25 12:34:19,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:19,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:19,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132363663] [2020-09-25 12:34:19,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:19,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:19,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:19,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:19,865 INFO L87 Difference]: Start difference. First operand 773 states and 978 transitions. Second operand 9 states. [2020-09-25 12:34:22,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:22,819 INFO L93 Difference]: Finished difference Result 2791 states and 3764 transitions. [2020-09-25 12:34:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 12:34:22,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2020-09-25 12:34:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:22,834 INFO L225 Difference]: With dead ends: 2791 [2020-09-25 12:34:22,835 INFO L226 Difference]: Without dead ends: 2057 [2020-09-25 12:34:22,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-25 12:34:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2020-09-25 12:34:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 1553. [2020-09-25 12:34:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1553 states. [2020-09-25 12:34:22,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2000 transitions. [2020-09-25 12:34:22,965 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2000 transitions. Word has length 181 [2020-09-25 12:34:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:22,967 INFO L479 AbstractCegarLoop]: Abstraction has 1553 states and 2000 transitions. [2020-09-25 12:34:22,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2000 transitions. [2020-09-25 12:34:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 12:34:22,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:22,977 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, 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] [2020-09-25 12:34:22,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:34:22,978 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash -475424574, now seen corresponding path program 1 times [2020-09-25 12:34:22,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:22,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495473754] [2020-09-25 12:34:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:23,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:23,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:23,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:24,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 12:34:28,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:34:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 12:34:28,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 12:34:28,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-09-25 12:34:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:28,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:28,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:28,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:28,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:34:28,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:28,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:28,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:28,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:28,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:28,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:28,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:28,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 12:34:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:28,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:28,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:28,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 12:34:28,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-25 12:34:28,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 12:34:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 12:34:28,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:34:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 12:34:28,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:34:28,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:28,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:28,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:28,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:28,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:34:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 12:34:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 12:34:29,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 12:34:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 12:34:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 12:34:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:29,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 12:34:29,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:29,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 12:34:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:29,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:34:29,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:34:29,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:29,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:29,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:29,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:29,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:29,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:29,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:29,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:34:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:29,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:29,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:29,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:29,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:29,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:29,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:29,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 12:34:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:29,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:29,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:29,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:29,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:29,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:29,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:29,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-25 12:34:29,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495473754] [2020-09-25 12:34:29,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:34:29,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 12:34:29,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977352709] [2020-09-25 12:34:29,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 12:34:29,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:29,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 12:34:29,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-25 12:34:29,329 INFO L87 Difference]: Start difference. First operand 1553 states and 2000 transitions. Second operand 16 states. [2020-09-25 12:34:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:37,163 INFO L93 Difference]: Finished difference Result 6918 states and 9710 transitions. [2020-09-25 12:34:37,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-09-25 12:34:37,164 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 225 [2020-09-25 12:34:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:37,189 INFO L225 Difference]: With dead ends: 6918 [2020-09-25 12:34:37,189 INFO L226 Difference]: Without dead ends: 4300 [2020-09-25 12:34:37,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1795 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1177, Invalid=4373, Unknown=0, NotChecked=0, Total=5550 [2020-09-25 12:34:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2020-09-25 12:34:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 3315. [2020-09-25 12:34:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3315 states. [2020-09-25 12:34:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4275 transitions. [2020-09-25 12:34:37,427 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4275 transitions. Word has length 225 [2020-09-25 12:34:37,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:37,429 INFO L479 AbstractCegarLoop]: Abstraction has 3315 states and 4275 transitions. [2020-09-25 12:34:37,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-25 12:34:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4275 transitions. [2020-09-25 12:34:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 12:34:37,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:37,441 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, 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] [2020-09-25 12:34:37,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:34:37,441 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:37,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1201348035, now seen corresponding path program 1 times [2020-09-25 12:34:37,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:37,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016917464] [2020-09-25 12:34:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:39,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:40,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:40,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 12:34:42,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:34:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:42,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:42,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:42,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:42,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:42,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:42,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:42,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 12:34:42,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:42,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 12:34:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:42,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:42,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:42,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:34:42,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:42,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 12:34:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:42,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:42,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:42,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:42,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 12:34:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 12:34:42,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 12:34:42,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:42,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 12:34:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 12:34:43,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 12:34:43,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 12:34:43,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 12:34:43,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 12:34:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:43,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:34:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:43,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:43,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:43,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:43,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:34:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 12:34:43,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 12:34:43,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 12:34:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:43,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 12:34:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:34:43,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 12:34:43,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:34:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 12:34:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:43,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:34:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:43,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:43,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:43,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:43,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 12:34:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:43,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-09-25 12:34:43,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016917464] [2020-09-25 12:34:43,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:34:43,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-25 12:34:43,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902626722] [2020-09-25 12:34:43,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 12:34:43,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:43,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 12:34:43,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2020-09-25 12:34:43,507 INFO L87 Difference]: Start difference. First operand 3315 states and 4275 transitions. Second operand 15 states. [2020-09-25 12:34:47,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:47,917 INFO L93 Difference]: Finished difference Result 7763 states and 10582 transitions. [2020-09-25 12:34:47,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-25 12:34:47,919 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 254 [2020-09-25 12:34:47,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:47,945 INFO L225 Difference]: With dead ends: 7763 [2020-09-25 12:34:47,945 INFO L226 Difference]: Without dead ends: 4486 [2020-09-25 12:34:47,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=629, Invalid=1821, Unknown=0, NotChecked=0, Total=2450 [2020-09-25 12:34:47,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2020-09-25 12:34:48,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 3422. [2020-09-25 12:34:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3422 states. [2020-09-25 12:34:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3422 states to 3422 states and 4350 transitions. [2020-09-25 12:34:48,167 INFO L78 Accepts]: Start accepts. Automaton has 3422 states and 4350 transitions. Word has length 254 [2020-09-25 12:34:48,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:48,168 INFO L479 AbstractCegarLoop]: Abstraction has 3422 states and 4350 transitions. [2020-09-25 12:34:48,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-25 12:34:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3422 states and 4350 transitions. [2020-09-25 12:34:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 12:34:48,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:48,182 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, 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 12:34:48,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 12:34:48,183 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:48,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:48,183 INFO L82 PathProgramCache]: Analyzing trace with hash 266669055, now seen corresponding path program 1 times [2020-09-25 12:34:48,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:48,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748000574] [2020-09-25 12:34:48,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:48,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:48,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:48,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 12:34:49,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:49,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1367 [2020-09-25 12:34:49,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 12:34:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-25 12:34:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-25 12:34:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 12:34:49,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 12:34:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:34:49,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:49,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 12:34:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:49,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:49,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 12:34:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:49,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 12:34:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:49,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:49,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:49,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:49,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 12:34:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:49,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:34:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:49,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 12:34:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 12:34:49,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 12:34:49,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 12:34:49,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 12:34:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 12:34:49,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:49,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 12:34:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 12:34:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:49,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:49,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 12:34:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:49,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:49,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:49,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:49,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:49,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 12:34:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:50,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:34:50,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:50,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:50,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:34:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 12:34:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:50,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:50,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:50,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 12:34:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 12:34:50,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 12:34:50,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:34:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:50,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 12:34:50,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 12:34:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:34:50,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 12:34:50,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 12:34:50,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:50,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:50,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:50,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:50,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:34:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:50,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:50,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:50,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:50,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 12:34:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:50,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 12:34:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:50,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:50,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:50,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:50,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:50,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-09-25 12:34:50,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748000574] [2020-09-25 12:34:50,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 12:34:50,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 12:34:50,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512955795] [2020-09-25 12:34:50,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:34:50,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:50,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:34:50,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:34:50,331 INFO L87 Difference]: Start difference. First operand 3422 states and 4350 transitions. Second operand 12 states.