/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-tiling/pnr5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 18:28:58,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 18:28:58,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 18:28:58,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 18:28:58,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 18:28:58,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 18:28:58,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 18:28:58,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 18:28:58,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 18:28:58,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 18:28:58,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 18:28:58,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 18:28:58,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 18:28:58,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 18:28:58,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 18:28:58,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 18:28:58,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 18:28:58,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 18:28:58,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 18:28:58,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 18:28:58,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 18:28:58,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 18:28:58,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 18:28:58,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 18:28:58,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 18:28:58,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 18:28:58,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 18:28:58,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 18:28:58,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 18:28:58,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 18:28:58,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 18:28:58,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 18:28:58,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 18:28:58,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 18:28:58,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 18:28:58,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 18:28:58,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 18:28:58,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 18:28:58,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 18:28:58,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 18:28:58,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 18:28:58,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 18:28:58,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 18:28:58,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 18:28:58,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 18:28:58,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 18:28:58,504 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 18:28:58,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 18:28:58,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 18:28:58,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 18:28:58,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 18:28:58,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 18:28:58,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 18:28:58,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 18:28:58,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 18:28:58,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 18:28:58,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 18:28:58,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 18:28:58,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 18:28:58,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 18:28:58,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 18:28:58,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 18:28:58,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 18:28:58,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:28:58,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 18:28:58,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 18:28:58,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 18:28:58,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 18:28:58,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 18:28:58,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 18:28:58,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 18:28:58,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 18:28:58,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 18:28:58,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 18:28:58,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 18:28:58,817 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 18:28:58,818 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 18:28:58,819 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/pnr5.c [2020-10-14 18:28:58,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1a1b598/1019c44a1c89497a9f9d6bae1c25cffa/FLAG364b93c7c [2020-10-14 18:28:59,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 18:28:59,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/pnr5.c [2020-10-14 18:28:59,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1a1b598/1019c44a1c89497a9f9d6bae1c25cffa/FLAG364b93c7c [2020-10-14 18:28:59,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc1a1b598/1019c44a1c89497a9f9d6bae1c25cffa [2020-10-14 18:28:59,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 18:28:59,722 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 18:28:59,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 18:28:59,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 18:28:59,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 18:28:59,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:28:59" (1/1) ... [2020-10-14 18:28:59,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:28:59, skipping insertion in model container [2020-10-14 18:28:59,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:28:59" (1/1) ... [2020-10-14 18:28:59,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 18:28:59,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 18:28:59,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:28:59,943 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 18:28:59,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 18:29:00,081 INFO L208 MainTranslator]: Completed translation [2020-10-14 18:29:00,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00 WrapperNode [2020-10-14 18:29:00,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 18:29:00,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 18:29:00,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 18:29:00,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 18:29:00,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... [2020-10-14 18:29:00,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 18:29:00,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 18:29:00,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 18:29:00,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 18:29:00,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 18:29:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 18:29:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 18:29:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 18:29:00,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 18:29:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2020-10-14 18:29:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 18:29:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 18:29:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 18:29:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 18:29:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 18:29:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 18:29:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 18:29:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2020-10-14 18:29:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 18:29:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 18:29:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 18:29:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 18:29:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 18:29:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 18:29:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 18:29:00,495 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 18:29:00,496 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-14 18:29:00,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:29:00 BoogieIcfgContainer [2020-10-14 18:29:00,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 18:29:00,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 18:29:00,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 18:29:00,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 18:29:00,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:28:59" (1/3) ... [2020-10-14 18:29:00,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ea18f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:29:00, skipping insertion in model container [2020-10-14 18:29:00,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:29:00" (2/3) ... [2020-10-14 18:29:00,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ea18f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:29:00, skipping insertion in model container [2020-10-14 18:29:00,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:29:00" (3/3) ... [2020-10-14 18:29:00,509 INFO L109 eAbstractionObserver]: Analyzing ICFG pnr5.c [2020-10-14 18:29:00,520 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 18:29:00,528 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 18:29:00,543 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 18:29:00,570 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 18:29:00,571 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 18:29:00,571 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 18:29:00,571 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 18:29:00,571 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 18:29:00,571 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 18:29:00,572 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 18:29:00,572 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 18:29:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-10-14 18:29:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 18:29:00,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:00,601 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:00,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:00,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1320123379, now seen corresponding path program 1 times [2020-10-14 18:29:00,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:00,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582699799] [2020-10-14 18:29:00,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:00,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:00,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 18:29:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:29:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 18:29:00,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:00,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 18:29:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 18:29:01,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:01,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:01,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:01,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 18:29:01,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:01,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:01,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:01,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:01,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:01,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:01,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:01,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:01,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:01,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:01,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:29:01,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:01,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:01,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 18:29:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:01,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:29:01,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582699799] [2020-10-14 18:29:01,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:29:01,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 18:29:01,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445832905] [2020-10-14 18:29:01,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 18:29:01,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:01,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 18:29:01,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:29:01,136 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 3 states. [2020-10-14 18:29:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:01,286 INFO L93 Difference]: Finished difference Result 89 states and 119 transitions. [2020-10-14 18:29:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 18:29:01,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-10-14 18:29:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:01,298 INFO L225 Difference]: With dead ends: 89 [2020-10-14 18:29:01,298 INFO L226 Difference]: Without dead ends: 45 [2020-10-14 18:29:01,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 18:29:01,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-14 18:29:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-14 18:29:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-14 18:29:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2020-10-14 18:29:01,344 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 21 [2020-10-14 18:29:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:01,345 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2020-10-14 18:29:01,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 18:29:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2020-10-14 18:29:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-14 18:29:01,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:01,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:01,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 18:29:01,348 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:01,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:01,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1902018782, now seen corresponding path program 1 times [2020-10-14 18:29:01,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:01,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771289935] [2020-10-14 18:29:01,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:01,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:01,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 18:29:01,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:29:01,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-14 18:29:01,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:01,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 18:29:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:01,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 18:29:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:01,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:01,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:01,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:01,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:01,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:01,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:01,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:01,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:01,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:01,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:01,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:01,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 18:29:01,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:01,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:01,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:01,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 18:29:01,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771289935] [2020-10-14 18:29:01,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 18:29:01,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 18:29:01,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362354544] [2020-10-14 18:29:01,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 18:29:01,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:01,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 18:29:01,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-14 18:29:01,997 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 6 states. [2020-10-14 18:29:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:02,218 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2020-10-14 18:29:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 18:29:02,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-10-14 18:29:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:02,221 INFO L225 Difference]: With dead ends: 61 [2020-10-14 18:29:02,221 INFO L226 Difference]: Without dead ends: 50 [2020-10-14 18:29:02,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 18:29:02,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-14 18:29:02,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-10-14 18:29:02,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-14 18:29:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2020-10-14 18:29:02,236 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2020-10-14 18:29:02,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:02,237 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2020-10-14 18:29:02,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 18:29:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2020-10-14 18:29:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 18:29:02,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:02,239 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:02,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 18:29:02,240 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:02,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:02,240 INFO L82 PathProgramCache]: Analyzing trace with hash -628487538, now seen corresponding path program 1 times [2020-10-14 18:29:02,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:02,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634019099] [2020-10-14 18:29:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 18:29:02,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-10-14 18:29:02,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:29:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 18:29:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:02,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:02,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:02,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:02,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:02,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:02,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:02,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:02,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:02,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:02,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:02,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:02,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:02,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:02,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:02,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:02,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 18:29:02,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634019099] [2020-10-14 18:29:02,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:02,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 18:29:02,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244578247] [2020-10-14 18:29:02,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 18:29:02,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:02,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 18:29:02,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:29:02,870 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand 11 states. [2020-10-14 18:29:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:03,417 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2020-10-14 18:29:03,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 18:29:03,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2020-10-14 18:29:03,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:03,419 INFO L225 Difference]: With dead ends: 72 [2020-10-14 18:29:03,419 INFO L226 Difference]: Without dead ends: 70 [2020-10-14 18:29:03,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-10-14 18:29:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-14 18:29:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 52. [2020-10-14 18:29:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-14 18:29:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2020-10-14 18:29:03,432 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 53 [2020-10-14 18:29:03,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:03,433 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2020-10-14 18:29:03,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 18:29:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2020-10-14 18:29:03,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 18:29:03,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:03,436 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:03,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 18:29:03,436 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:03,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:03,437 INFO L82 PathProgramCache]: Analyzing trace with hash -548541077, now seen corresponding path program 1 times [2020-10-14 18:29:03,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:03,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114362861] [2020-10-14 18:29:03,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 18:29:03,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-14 18:29:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 18:29:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 18:29:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-14 18:29:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:03,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:03,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:03,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:03,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:03,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:03,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:03,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:03,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:03,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:03,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:03,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:03,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:03,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 18:29:03,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:03,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:03,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:29:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 18:29:04,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114362861] [2020-10-14 18:29:04,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:04,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 18:29:04,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633634906] [2020-10-14 18:29:04,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 18:29:04,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:04,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 18:29:04,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-14 18:29:04,005 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand 11 states. [2020-10-14 18:29:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:04,909 INFO L93 Difference]: Finished difference Result 164 states and 233 transitions. [2020-10-14 18:29:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 18:29:04,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 61 [2020-10-14 18:29:04,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:04,917 INFO L225 Difference]: With dead ends: 164 [2020-10-14 18:29:04,917 INFO L226 Difference]: Without dead ends: 162 [2020-10-14 18:29:04,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:29:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-10-14 18:29:04,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 80. [2020-10-14 18:29:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-14 18:29:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2020-10-14 18:29:04,957 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 61 [2020-10-14 18:29:04,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:04,960 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2020-10-14 18:29:04,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 18:29:04,960 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2020-10-14 18:29:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 18:29:04,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:04,962 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:04,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 18:29:04,962 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:04,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1392546579, now seen corresponding path program 1 times [2020-10-14 18:29:04,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:04,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110893253] [2020-10-14 18:29:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 18:29:05,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:29:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-14 18:29:05,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:29:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:05,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 18:29:05,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:29:05,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:05,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:05,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 18:29:05,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:05,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:05,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:05,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:05,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:05,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:05,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:05,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:05,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:05,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:05,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:05,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:05,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:05,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:05,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:05,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:05,916 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-14 18:29:05,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110893253] [2020-10-14 18:29:05,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:05,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 18:29:05,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152498597] [2020-10-14 18:29:05,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 18:29:05,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:05,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 18:29:05,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-14 18:29:05,921 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand 12 states. [2020-10-14 18:29:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:06,600 INFO L93 Difference]: Finished difference Result 154 states and 214 transitions. [2020-10-14 18:29:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 18:29:06,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-14 18:29:06,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:06,603 INFO L225 Difference]: With dead ends: 154 [2020-10-14 18:29:06,603 INFO L226 Difference]: Without dead ends: 152 [2020-10-14 18:29:06,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-10-14 18:29:06,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-14 18:29:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 60. [2020-10-14 18:29:06,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 18:29:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2020-10-14 18:29:06,629 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 61 [2020-10-14 18:29:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:06,629 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2020-10-14 18:29:06,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 18:29:06,630 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2020-10-14 18:29:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-14 18:29:06,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:06,634 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 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] [2020-10-14 18:29:06,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 18:29:06,634 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:06,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:06,635 INFO L82 PathProgramCache]: Analyzing trace with hash -635198648, now seen corresponding path program 2 times [2020-10-14 18:29:06,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:06,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353799852] [2020-10-14 18:29:06,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:06,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:06,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-14 18:29:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:29:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 881 [2020-10-14 18:29:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:29:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 18:29:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:07,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:07,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:07,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:07,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:07,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:07,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:07,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:07,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:07,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:07,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:07,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:07,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:07,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:07,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:07,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:29:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:07,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:07,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:07,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:07,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:29:07,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:07,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:07,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:07,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:07,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-14 18:29:07,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353799852] [2020-10-14 18:29:07,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:07,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 18:29:07,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313414234] [2020-10-14 18:29:07,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 18:29:07,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:07,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 18:29:07,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-14 18:29:07,786 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand 13 states. [2020-10-14 18:29:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:08,634 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2020-10-14 18:29:08,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 18:29:08,634 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-14 18:29:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:08,636 INFO L225 Difference]: With dead ends: 124 [2020-10-14 18:29:08,636 INFO L226 Difference]: Without dead ends: 122 [2020-10-14 18:29:08,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2020-10-14 18:29:08,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-14 18:29:08,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 68. [2020-10-14 18:29:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-14 18:29:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2020-10-14 18:29:08,648 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 69 [2020-10-14 18:29:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:08,648 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2020-10-14 18:29:08,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 18:29:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2020-10-14 18:29:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-14 18:29:08,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:08,650 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:08,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 18:29:08,651 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:08,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1853346779, now seen corresponding path program 3 times [2020-10-14 18:29:08,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:08,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308308926] [2020-10-14 18:29:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:08,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:08,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:08,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 18:29:08,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-14 18:29:08,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:08,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 18:29:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 18:29:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 18:29:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:09,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:09,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:09,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:09,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:09,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:09,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:09,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:09,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:09,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:09,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:09,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:09,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:09,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:29:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:09,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:09,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:09,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:09,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:09,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:09,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:09,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:09,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 18:29:09,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308308926] [2020-10-14 18:29:09,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:09,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 18:29:09,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748224683] [2020-10-14 18:29:09,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 18:29:09,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:09,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 18:29:09,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-14 18:29:09,231 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand 13 states. [2020-10-14 18:29:11,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:11,498 INFO L93 Difference]: Finished difference Result 356 states and 522 transitions. [2020-10-14 18:29:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-14 18:29:11,499 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2020-10-14 18:29:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:11,503 INFO L225 Difference]: With dead ends: 356 [2020-10-14 18:29:11,503 INFO L226 Difference]: Without dead ends: 354 [2020-10-14 18:29:11,505 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=278, Invalid=1362, Unknown=0, NotChecked=0, Total=1640 [2020-10-14 18:29:11,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-14 18:29:11,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 104. [2020-10-14 18:29:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-14 18:29:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2020-10-14 18:29:11,530 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 77 [2020-10-14 18:29:11,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:11,531 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2020-10-14 18:29:11,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 18:29:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-10-14 18:29:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-14 18:29:11,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:11,533 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:11,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 18:29:11,533 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:11,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:11,534 INFO L82 PathProgramCache]: Analyzing trace with hash 596253351, now seen corresponding path program 1 times [2020-10-14 18:29:11,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:11,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235873247] [2020-10-14 18:29:11,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:11,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-14 18:29:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:29:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-10-14 18:29:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:29:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 18:29:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:12,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:12,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:12,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:12,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:12,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:12,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:12,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:12,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:12,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:12,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:12,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:12,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:29:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:12,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:12,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:12,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:12,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:12,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:12,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:12,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:12,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:12,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:12,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-14 18:29:12,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235873247] [2020-10-14 18:29:12,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:12,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 18:29:12,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039504783] [2020-10-14 18:29:12,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 18:29:12,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:12,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 18:29:12,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:29:12,911 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand 14 states. [2020-10-14 18:29:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:15,513 INFO L93 Difference]: Finished difference Result 410 states and 601 transitions. [2020-10-14 18:29:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-14 18:29:15,514 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2020-10-14 18:29:15,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:15,517 INFO L225 Difference]: With dead ends: 410 [2020-10-14 18:29:15,518 INFO L226 Difference]: Without dead ends: 408 [2020-10-14 18:29:15,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=381, Invalid=1689, Unknown=0, NotChecked=0, Total=2070 [2020-10-14 18:29:15,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-10-14 18:29:15,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 133. [2020-10-14 18:29:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-14 18:29:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 176 transitions. [2020-10-14 18:29:15,561 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 176 transitions. Word has length 77 [2020-10-14 18:29:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:15,563 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 176 transitions. [2020-10-14 18:29:15,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 18:29:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 176 transitions. [2020-10-14 18:29:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-14 18:29:15,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:15,571 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:15,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 18:29:15,572 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:15,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:15,574 INFO L82 PathProgramCache]: Analyzing trace with hash -17266686, now seen corresponding path program 4 times [2020-10-14 18:29:15,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:15,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1134706076] [2020-10-14 18:29:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:15,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:16,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 18:29:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 18:29:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1281 [2020-10-14 18:29:16,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:16,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 18:29:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-14 18:29:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:17,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:17,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:17,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:17,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:17,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:17,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:29:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:17,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:17,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:17,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:29:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:17,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:17,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:17,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:17,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:17,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:17,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:17,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-14 18:29:17,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1134706076] [2020-10-14 18:29:17,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:17,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 18:29:17,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267209206] [2020-10-14 18:29:17,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 18:29:17,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 18:29:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-10-14 18:29:17,207 INFO L87 Difference]: Start difference. First operand 133 states and 176 transitions. Second operand 14 states. [2020-10-14 18:29:18,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:18,454 INFO L93 Difference]: Finished difference Result 302 states and 440 transitions. [2020-10-14 18:29:18,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 18:29:18,455 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 85 [2020-10-14 18:29:18,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:18,457 INFO L225 Difference]: With dead ends: 302 [2020-10-14 18:29:18,457 INFO L226 Difference]: Without dead ends: 300 [2020-10-14 18:29:18,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2020-10-14 18:29:18,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2020-10-14 18:29:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 145. [2020-10-14 18:29:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-14 18:29:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 189 transitions. [2020-10-14 18:29:18,485 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 189 transitions. Word has length 85 [2020-10-14 18:29:18,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:18,485 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 189 transitions. [2020-10-14 18:29:18,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 18:29:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2020-10-14 18:29:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-14 18:29:18,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:18,487 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:18,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 18:29:18,487 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:18,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:18,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1324463839, now seen corresponding path program 5 times [2020-10-14 18:29:18,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:18,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367455161] [2020-10-14 18:29:18,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:18,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 18:29:19,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:29:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-14 18:29:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 18:29:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 18:29:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 18:29:19,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:19,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:19,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:19,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 18:29:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 18:29:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:19,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 18:29:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:19,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:29:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:19,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:19,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:19,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:19,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:19,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:19,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:19,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-14 18:29:19,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367455161] [2020-10-14 18:29:19,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:19,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 18:29:19,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646269762] [2020-10-14 18:29:19,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 18:29:19,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:19,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 18:29:19,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-14 18:29:19,317 INFO L87 Difference]: Start difference. First operand 145 states and 189 transitions. Second operand 13 states. [2020-10-14 18:29:20,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:20,024 INFO L93 Difference]: Finished difference Result 243 states and 315 transitions. [2020-10-14 18:29:20,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 18:29:20,025 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2020-10-14 18:29:20,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:20,026 INFO L225 Difference]: With dead ends: 243 [2020-10-14 18:29:20,027 INFO L226 Difference]: Without dead ends: 191 [2020-10-14 18:29:20,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-10-14 18:29:20,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-14 18:29:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 155. [2020-10-14 18:29:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-10-14 18:29:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-10-14 18:29:20,049 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 93 [2020-10-14 18:29:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:20,050 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-10-14 18:29:20,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 18:29:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-10-14 18:29:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 18:29:20,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:20,051 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:29:20,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 18:29:20,052 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:20,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:20,052 INFO L82 PathProgramCache]: Analyzing trace with hash -758549997, now seen corresponding path program 1 times [2020-10-14 18:29:20,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:20,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501499030] [2020-10-14 18:29:20,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:20,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:20,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:20,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-14 18:29:24,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:29:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4205 [2020-10-14 18:29:24,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:29:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:24,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 18:29:24,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:24,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:24,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:24,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:24,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:24,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:29:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:29:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:29:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:29:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:29:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:24,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:24,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:29:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:24,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:29:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:24,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:24,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:24,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:24,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:24,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-10-14 18:29:24,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501499030] [2020-10-14 18:29:24,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:24,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-14 18:29:24,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203367856] [2020-10-14 18:29:24,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 18:29:24,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:24,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 18:29:24,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2020-10-14 18:29:24,619 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 16 states. [2020-10-14 18:29:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:25,833 INFO L93 Difference]: Finished difference Result 303 states and 438 transitions. [2020-10-14 18:29:25,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 18:29:25,834 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 109 [2020-10-14 18:29:25,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:25,837 INFO L225 Difference]: With dead ends: 303 [2020-10-14 18:29:25,837 INFO L226 Difference]: Without dead ends: 301 [2020-10-14 18:29:25,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2020-10-14 18:29:25,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-14 18:29:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 101. [2020-10-14 18:29:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-14 18:29:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 121 transitions. [2020-10-14 18:29:25,855 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 121 transitions. Word has length 109 [2020-10-14 18:29:25,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:25,855 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 121 transitions. [2020-10-14 18:29:25,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 18:29:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2020-10-14 18:29:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 18:29:25,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:25,857 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 5, 5, 5, 5, 5, 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] [2020-10-14 18:29:25,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 18:29:25,857 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:25,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:25,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1649194571, now seen corresponding path program 6 times [2020-10-14 18:29:25,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:25,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1741551897] [2020-10-14 18:29:25,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:25,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:26,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:26,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:30,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:30,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-14 18:29:30,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 18:29:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-14 18:29:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:31,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 18:29:31,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:31,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:29:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:29:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:31,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:29:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:29:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:31,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 18:29:31,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:29:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:31,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:29:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:29:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:31,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:29:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:31,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:29:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:29:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:31,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:31,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:31,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:31,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:31,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:31,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:31,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:31,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:31,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 10 proven. 69 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-14 18:29:31,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1741551897] [2020-10-14 18:29:31,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:31,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 18:29:31,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795353937] [2020-10-14 18:29:31,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 18:29:31,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:31,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 18:29:31,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2020-10-14 18:29:31,378 INFO L87 Difference]: Start difference. First operand 101 states and 121 transitions. Second operand 17 states. [2020-10-14 18:29:33,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:33,781 INFO L93 Difference]: Finished difference Result 219 states and 304 transitions. [2020-10-14 18:29:33,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 18:29:33,781 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 125 [2020-10-14 18:29:33,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:33,784 INFO L225 Difference]: With dead ends: 219 [2020-10-14 18:29:33,784 INFO L226 Difference]: Without dead ends: 217 [2020-10-14 18:29:33,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=259, Invalid=1301, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 18:29:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-14 18:29:33,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 109. [2020-10-14 18:29:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-14 18:29:33,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2020-10-14 18:29:33,800 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 125 [2020-10-14 18:29:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:33,801 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2020-10-14 18:29:33,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 18:29:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2020-10-14 18:29:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 18:29:33,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:33,802 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 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] [2020-10-14 18:29:33,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 18:29:33,803 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:33,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:33,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1313108952, now seen corresponding path program 7 times [2020-10-14 18:29:33,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:33,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638003644] [2020-10-14 18:29:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 18:29:34,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-14 18:29:34,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:29:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 18:29:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-14 18:29:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:29:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:29:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:29:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:29:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:29:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:34,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:29:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 18:29:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:29:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:29:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:29:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:29:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:29:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:29:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:29:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:29:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:29:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:29:34,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:29:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:29:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:29:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:29:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:29:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:29:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:29:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:29:34,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:29:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:29:34,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:29:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:29:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:29:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:29:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:29:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 91 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-14 18:29:34,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638003644] [2020-10-14 18:29:34,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:29:34,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 18:29:34,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240841038] [2020-10-14 18:29:34,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 18:29:34,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:29:34,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 18:29:34,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2020-10-14 18:29:34,688 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand 17 states. [2020-10-14 18:29:56,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:29:56,141 INFO L93 Difference]: Finished difference Result 2934 states and 4616 transitions. [2020-10-14 18:29:56,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2020-10-14 18:29:56,142 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 133 [2020-10-14 18:29:56,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:29:56,159 INFO L225 Difference]: With dead ends: 2934 [2020-10-14 18:29:56,159 INFO L226 Difference]: Without dead ends: 2932 [2020-10-14 18:29:56,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31587 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=6514, Invalid=63446, Unknown=0, NotChecked=0, Total=69960 [2020-10-14 18:29:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2020-10-14 18:29:56,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 157. [2020-10-14 18:29:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-14 18:29:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 194 transitions. [2020-10-14 18:29:56,304 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 194 transitions. Word has length 133 [2020-10-14 18:29:56,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:29:56,304 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 194 transitions. [2020-10-14 18:29:56,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 18:29:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2020-10-14 18:29:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-14 18:29:56,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:29:56,308 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 6, 6, 6, 6, 6, 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] [2020-10-14 18:29:56,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 18:29:56,308 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:29:56,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:29:56,309 INFO L82 PathProgramCache]: Analyzing trace with hash 420995498, now seen corresponding path program 1 times [2020-10-14 18:29:56,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:29:56,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501190588] [2020-10-14 18:29:56,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:29:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:29:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:56,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:56,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:29:58,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-14 18:30:01,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:30:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 18:30:01,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:30:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:30:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-10-14 18:30:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:30:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:30:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:30:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:30:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:30:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:30:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:30:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:30:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:30:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:30:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:30:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:30:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:30:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:30:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:01,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:01,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:30:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:30:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:30:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:30:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:30:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:30:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:01,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:01,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:01,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 91 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-14 18:30:01,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501190588] [2020-10-14 18:30:01,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:30:01,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-14 18:30:01,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402171994] [2020-10-14 18:30:01,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-14 18:30:01,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:30:01,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-14 18:30:01,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2020-10-14 18:30:01,705 INFO L87 Difference]: Start difference. First operand 157 states and 194 transitions. Second operand 18 states. [2020-10-14 18:30:04,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:30:04,451 INFO L93 Difference]: Finished difference Result 411 states and 596 transitions. [2020-10-14 18:30:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-14 18:30:04,452 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 133 [2020-10-14 18:30:04,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:30:04,456 INFO L225 Difference]: With dead ends: 411 [2020-10-14 18:30:04,456 INFO L226 Difference]: Without dead ends: 409 [2020-10-14 18:30:04,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=304, Invalid=1502, Unknown=0, NotChecked=0, Total=1806 [2020-10-14 18:30:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-14 18:30:04,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 117. [2020-10-14 18:30:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-14 18:30:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 137 transitions. [2020-10-14 18:30:04,481 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 137 transitions. Word has length 133 [2020-10-14 18:30:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:30:04,481 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 137 transitions. [2020-10-14 18:30:04,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-14 18:30:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 137 transitions. [2020-10-14 18:30:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-14 18:30:04,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:30:04,483 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 7, 7, 7, 7, 7, 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] [2020-10-14 18:30:04,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 18:30:04,484 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:30:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:30:04,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1567017723, now seen corresponding path program 8 times [2020-10-14 18:30:04,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:30:04,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339488316] [2020-10-14 18:30:04,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:30:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:04,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:04,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:04,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:05,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:07,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-14 18:30:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:30:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 18:30:09,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:30:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:30:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 18:30:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:30:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:30:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:30:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:30:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:30:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:30:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:30:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:30:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:30:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:30:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:30:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:30:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:30:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:09,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:30:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:30:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:30:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:30:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:30:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:30:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:30:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:09,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:09,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:09,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:09,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 14 proven. 117 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-10-14 18:30:09,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339488316] [2020-10-14 18:30:09,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:30:09,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 18:30:09,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130794549] [2020-10-14 18:30:09,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 18:30:09,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:30:09,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 18:30:09,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:30:09,885 INFO L87 Difference]: Start difference. First operand 117 states and 137 transitions. Second operand 19 states. [2020-10-14 18:30:12,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:30:12,901 INFO L93 Difference]: Finished difference Result 271 states and 378 transitions. [2020-10-14 18:30:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 18:30:12,902 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 141 [2020-10-14 18:30:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:30:12,904 INFO L225 Difference]: With dead ends: 271 [2020-10-14 18:30:12,904 INFO L226 Difference]: Without dead ends: 269 [2020-10-14 18:30:12,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=359, Invalid=1803, Unknown=0, NotChecked=0, Total=2162 [2020-10-14 18:30:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-14 18:30:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 125. [2020-10-14 18:30:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-14 18:30:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-10-14 18:30:12,933 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 141 [2020-10-14 18:30:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:30:12,933 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-10-14 18:30:12,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 18:30:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-10-14 18:30:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 18:30:12,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:30:12,937 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 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] [2020-10-14 18:30:12,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 18:30:12,937 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:30:12,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:30:12,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1315090658, now seen corresponding path program 9 times [2020-10-14 18:30:12,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:30:12,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978842133] [2020-10-14 18:30:12,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:30:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:12,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 18:30:13,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:30:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:30:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:30:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:30:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:30:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:30:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:30:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:30:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:30:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:30:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:30:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:30:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:30:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:30:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:30:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:30:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:30:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:30:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:30:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:30:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:30:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:30:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:30:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:30:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:30:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:30:13,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:30:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:30:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:30:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:30:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 16 proven. 147 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-14 18:30:13,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978842133] [2020-10-14 18:30:13,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:30:13,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 18:30:13,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109751941] [2020-10-14 18:30:13,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 18:30:13,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:30:13,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 18:30:13,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:30:13,697 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 19 states. [2020-10-14 18:30:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:30:55,405 INFO L93 Difference]: Finished difference Result 4520 states and 7072 transitions. [2020-10-14 18:30:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 479 states. [2020-10-14 18:30:55,406 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 149 [2020-10-14 18:30:55,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:30:55,429 INFO L225 Difference]: With dead ends: 4520 [2020-10-14 18:30:55,429 INFO L226 Difference]: Without dead ends: 4518 [2020-10-14 18:30:55,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 482 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111766 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=17670, Invalid=216102, Unknown=0, NotChecked=0, Total=233772 [2020-10-14 18:30:55,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2020-10-14 18:30:55,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 181. [2020-10-14 18:30:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-14 18:30:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 220 transitions. [2020-10-14 18:30:55,610 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 220 transitions. Word has length 149 [2020-10-14 18:30:55,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:30:55,611 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 220 transitions. [2020-10-14 18:30:55,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 18:30:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 220 transitions. [2020-10-14 18:30:55,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-14 18:30:55,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:30:55,613 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 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] [2020-10-14 18:30:55,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 18:30:55,614 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:30:55,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:30:55,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1555330404, now seen corresponding path program 2 times [2020-10-14 18:30:55,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:30:55,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101953318] [2020-10-14 18:30:55,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:30:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:30:55,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:55,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:55,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:30:56,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:31:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:31:00,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 18:31:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:31:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:31:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:31:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:31:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:31:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:31:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:31:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:31:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:31:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:31:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:31:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:31:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:00,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:00,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:31:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:00,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:31:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:31:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:31:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:31:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:31:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:31:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:31:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:01,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:01,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 16 proven. 147 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-14 18:31:01,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101953318] [2020-10-14 18:31:01,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:31:01,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 18:31:01,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500740802] [2020-10-14 18:31:01,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 18:31:01,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:31:01,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 18:31:01,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:31:01,059 INFO L87 Difference]: Start difference. First operand 181 states and 220 transitions. Second operand 20 states. [2020-10-14 18:31:04,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:31:04,613 INFO L93 Difference]: Finished difference Result 465 states and 670 transitions. [2020-10-14 18:31:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-14 18:31:04,619 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 149 [2020-10-14 18:31:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:31:04,622 INFO L225 Difference]: With dead ends: 465 [2020-10-14 18:31:04,622 INFO L226 Difference]: Without dead ends: 463 [2020-10-14 18:31:04,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=353, Invalid=1999, Unknown=0, NotChecked=0, Total=2352 [2020-10-14 18:31:04,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-10-14 18:31:04,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 133. [2020-10-14 18:31:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-14 18:31:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2020-10-14 18:31:04,654 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 149 [2020-10-14 18:31:04,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:31:04,654 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2020-10-14 18:31:04,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 18:31:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2020-10-14 18:31:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-14 18:31:04,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:31:04,656 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 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] [2020-10-14 18:31:04,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 18:31:04,657 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:31:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:31:04,657 INFO L82 PathProgramCache]: Analyzing trace with hash 26542015, now seen corresponding path program 10 times [2020-10-14 18:31:04,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:31:04,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192087137] [2020-10-14 18:31:04,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:31:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:04,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:04,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:05,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:09,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-10-14 18:31:09,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:31:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:09,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:31:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:31:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:31:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:31:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:31:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:31:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:31:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:31:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:31:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:31:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:31:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:31:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:31:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:31:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:31:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:31:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:31:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:31:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:31:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:31:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 18 proven. 181 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-10-14 18:31:10,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192087137] [2020-10-14 18:31:10,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:31:10,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-14 18:31:10,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829327420] [2020-10-14 18:31:10,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-14 18:31:10,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:31:10,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-14 18:31:10,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2020-10-14 18:31:10,113 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 20 states. [2020-10-14 18:31:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:31:13,884 INFO L93 Difference]: Finished difference Result 287 states and 394 transitions. [2020-10-14 18:31:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 18:31:13,885 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-10-14 18:31:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:31:13,888 INFO L225 Difference]: With dead ends: 287 [2020-10-14 18:31:13,888 INFO L226 Difference]: Without dead ends: 285 [2020-10-14 18:31:13,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=345, Invalid=2205, Unknown=0, NotChecked=0, Total=2550 [2020-10-14 18:31:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-14 18:31:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 141. [2020-10-14 18:31:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-14 18:31:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 161 transitions. [2020-10-14 18:31:13,919 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 161 transitions. Word has length 157 [2020-10-14 18:31:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:31:13,920 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 161 transitions. [2020-10-14 18:31:13,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-14 18:31:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 161 transitions. [2020-10-14 18:31:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-14 18:31:13,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:31:13,922 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 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] [2020-10-14 18:31:13,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 18:31:13,922 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:31:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:31:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1001202076, now seen corresponding path program 11 times [2020-10-14 18:31:13,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:31:13,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716050794] [2020-10-14 18:31:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:31:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:14,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:14,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 18:31:14,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:31:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 846 [2020-10-14 18:31:14,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:14,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 18:31:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 18:31:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-14 18:31:14,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:31:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:15,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:31:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:31:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:31:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:31:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:15,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:31:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:15,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:31:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:31:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:31:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:31:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:31:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:31:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 18:31:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:31:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 18:31:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 18:31:15,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:31:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 18:31:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:31:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:31:15,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:31:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:31:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:31:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:31:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:31:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:15,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:15,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 220 proven. 19 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-10-14 18:31:15,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716050794] [2020-10-14 18:31:15,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:31:15,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-14 18:31:15,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149815631] [2020-10-14 18:31:15,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-14 18:31:15,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:31:15,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-14 18:31:15,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-10-14 18:31:15,330 INFO L87 Difference]: Start difference. First operand 141 states and 161 transitions. Second operand 19 states. [2020-10-14 18:31:16,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:31:16,688 INFO L93 Difference]: Finished difference Result 266 states and 307 transitions. [2020-10-14 18:31:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 18:31:16,689 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 165 [2020-10-14 18:31:16,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:31:16,691 INFO L225 Difference]: With dead ends: 266 [2020-10-14 18:31:16,691 INFO L226 Difference]: Without dead ends: 174 [2020-10-14 18:31:16,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2020-10-14 18:31:16,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-10-14 18:31:16,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 158. [2020-10-14 18:31:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-14 18:31:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 188 transitions. [2020-10-14 18:31:16,740 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 188 transitions. Word has length 165 [2020-10-14 18:31:16,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:31:16,740 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 188 transitions. [2020-10-14 18:31:16,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-14 18:31:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2020-10-14 18:31:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-14 18:31:16,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:31:16,743 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 11, 11, 11, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:31:16,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 18:31:16,743 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:31:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:31:16,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1495700744, now seen corresponding path program 12 times [2020-10-14 18:31:16,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:31:16,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094507369] [2020-10-14 18:31:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:31:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:16,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:17,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:17,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:21,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:21,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-14 18:31:21,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:31:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:22,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:31:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:31:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:31:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:31:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:31:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:31:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:31:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:31:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:31:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:31:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:31:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:31:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:31:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:31:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:31:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:31:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:31:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:31:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:31:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:31:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:31:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:31:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:31:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 18:31:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 18:31:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 18:31:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 18:31:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:22,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:22,338 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 20 proven. 254 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-14 18:31:22,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094507369] [2020-10-14 18:31:22,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:31:22,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 18:31:22,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705474290] [2020-10-14 18:31:22,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 18:31:22,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:31:22,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 18:31:22,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=458, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:31:22,340 INFO L87 Difference]: Start difference. First operand 158 states and 188 transitions. Second operand 23 states. [2020-10-14 18:31:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 18:31:28,003 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-10-14 18:31:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-14 18:31:28,004 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 197 [2020-10-14 18:31:28,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 18:31:28,007 INFO L225 Difference]: With dead ends: 366 [2020-10-14 18:31:28,007 INFO L226 Difference]: Without dead ends: 364 [2020-10-14 18:31:28,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=592, Invalid=3314, Unknown=0, NotChecked=0, Total=3906 [2020-10-14 18:31:28,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-14 18:31:28,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 166. [2020-10-14 18:31:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-10-14 18:31:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-10-14 18:31:28,044 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 197 [2020-10-14 18:31:28,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 18:31:28,044 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-10-14 18:31:28,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 18:31:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-10-14 18:31:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 18:31:28,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 18:31:28,046 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 18:31:28,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 18:31:28,046 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 18:31:28,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 18:31:28,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1906483739, now seen corresponding path program 13 times [2020-10-14 18:31:28,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 18:31:28,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521029226] [2020-10-14 18:31:28,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 18:31:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:28,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:28,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:28,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-14 18:31:28,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 757 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 245 [2020-10-14 18:31:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 18:31:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 18:31:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 18:31:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 18:31:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 18:31:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 18:31:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 18:31:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 18:31:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 18:31:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 18:31:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 18:31:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 18:31:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-14 18:31:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 18:31:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 18:31:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-14 18:31:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 18:31:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 18:31:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:29,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 18:31:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 18:31:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-14 18:31:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 18:31:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-14 18:31:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 18:31:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 18:31:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 18:31:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 18:31:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-14 18:31:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-14 18:31:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-14 18:31:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 18:31:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 18:31:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 18:31:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 18:31:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 18:31:29,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 18:31:29,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 18:31:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 18:31:29,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 18:31:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 18:31:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 18:31:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 18:31:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 18:31:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 22 proven. 296 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2020-10-14 18:31:29,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521029226] [2020-10-14 18:31:29,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 18:31:29,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 18:31:29,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349857691] [2020-10-14 18:31:29,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 18:31:29,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 18:31:29,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 18:31:29,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=460, Unknown=0, NotChecked=0, Total=506 [2020-10-14 18:31:29,441 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 23 states. [2020-10-14 18:32:15,635 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-10-14 18:32:24,305 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 33