/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:41:45,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:41:45,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:41:45,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:41:45,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:41:45,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:41:45,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:41:45,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:41:45,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:41:45,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:41:46,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:41:46,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:41:46,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:41:46,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:41:46,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:41:46,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:41:46,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:41:46,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:41:46,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:41:46,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:41:46,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:41:46,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:41:46,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:41:46,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:41:46,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:41:46,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:41:46,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:41:46,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:41:46,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:41:46,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:41:46,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:41:46,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:41:46,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:41:46,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:41:46,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:41:46,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:41:46,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:41:46,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:41:46,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:41:46,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:41:46,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:41:46,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:41:46,099 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:41:46,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:41:46,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:41:46,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:41:46,102 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:41:46,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:41:46,102 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:41:46,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:41:46,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:41:46,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:41:46,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:41:46,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:41:46,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:41:46,105 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:41:46,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:41:46,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:41:46,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:41:46,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:41:46,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:41:46,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:41:46,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:41:46,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:41:46,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:41:46,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:41:46,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:41:46,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:41:46,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:41:46,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:41:46,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:41:46,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:41:46,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:41:46,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:41:46,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:41:46,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:41:46,587 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:41:46,588 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-09-25 14:41:46,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93280bda/2cd8b27944c64092958f9f9ee09d273b/FLAGd363a6bc7 [2020-09-25 14:41:47,357 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:41:47,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label17.c [2020-09-25 14:41:47,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93280bda/2cd8b27944c64092958f9f9ee09d273b/FLAGd363a6bc7 [2020-09-25 14:41:47,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d93280bda/2cd8b27944c64092958f9f9ee09d273b [2020-09-25 14:41:47,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:41:47,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:41:47,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:41:47,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:41:47,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:41:47,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:41:47" (1/1) ... [2020-09-25 14:41:47,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738c85d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:47, skipping insertion in model container [2020-09-25 14:41:47,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:41:47" (1/1) ... [2020-09-25 14:41:47,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:41:47,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:41:48,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:41:48,180 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:41:48,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:41:48,438 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:41:48,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48 WrapperNode [2020-09-25 14:41:48,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:41:48,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:41:48,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:41:48,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:41:48,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... [2020-09-25 14:41:48,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:41:48,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:41:48,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:41:48,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:41:48,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:41:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:41:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:41:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-25 14:41:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:41:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-25 14:41:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:41:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:41:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 14:41:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:41:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:41:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:41:50,152 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:41:50,153 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 14:41:50,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:41:50 BoogieIcfgContainer [2020-09-25 14:41:50,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:41:50,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:41:50,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:41:50,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:41:50,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:41:47" (1/3) ... [2020-09-25 14:41:50,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:41:50, skipping insertion in model container [2020-09-25 14:41:50,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:41:48" (2/3) ... [2020-09-25 14:41:50,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:41:50, skipping insertion in model container [2020-09-25 14:41:50,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:41:50" (3/3) ... [2020-09-25 14:41:50,173 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-09-25 14:41:50,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:41:50,198 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:41:50,221 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:41:50,256 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:41:50,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:41:50,257 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:41:50,257 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:41:50,257 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:41:50,257 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:41:50,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:41:50,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:41:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-25 14:41:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-09-25 14:41:50,325 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:50,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:50,327 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:50,336 INFO L82 PathProgramCache]: Analyzing trace with hash -796596049, now seen corresponding path program 1 times [2020-09-25 14:41:50,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:50,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791069953] [2020-09-25 14:41:50,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:50,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:51,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:51,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 14:41:51,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:41:51,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-09-25 14:41:51,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:51,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:51,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:41:51,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:41:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 14:41:51,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:41:51,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:51,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:41:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:51,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:41:51,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:41:51,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791069953] [2020-09-25 14:41:51,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:41:51,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:41:51,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713535654] [2020-09-25 14:41:51,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:41:51,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:51,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:41:51,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:41:51,394 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 4 states. [2020-09-25 14:41:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:41:53,527 INFO L93 Difference]: Finished difference Result 1104 states and 1521 transitions. [2020-09-25 14:41:53,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:41:53,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-09-25 14:41:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:41:53,556 INFO L225 Difference]: With dead ends: 1104 [2020-09-25 14:41:53,557 INFO L226 Difference]: Without dead ends: 578 [2020-09-25 14:41:53,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:41:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-09-25 14:41:53,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 544. [2020-09-25 14:41:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-09-25 14:41:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 655 transitions. [2020-09-25 14:41:53,660 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 655 transitions. Word has length 49 [2020-09-25 14:41:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:41:53,661 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 655 transitions. [2020-09-25 14:41:53,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:41:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 655 transitions. [2020-09-25 14:41:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-25 14:41:53,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:41:53,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:41:53,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:41:53,669 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:41:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:41:53,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1427265920, now seen corresponding path program 1 times [2020-09-25 14:41:53,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:41:53,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531743652] [2020-09-25 14:41:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:41:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:53,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:53,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:53,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:54,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:58,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:58,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-25 14:41:58,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:41:58,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4993 [2020-09-25 14:41:58,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:58,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:41:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:41:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-25 14:41:58,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:41:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:58,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:58,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:58,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:41:58,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:41:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:41:58,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:58,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:41:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:41:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:41:58,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:41:59,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:41:59,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-25 14:41:59,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:41:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-09-25 14:41:59,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:41:59,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:41:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:41:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:41:59,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 14:41:59,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:41:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 14:41:59,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531743652] [2020-09-25 14:41:59,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:41:59,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-25 14:41:59,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579411517] [2020-09-25 14:41:59,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:41:59,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:41:59,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:41:59,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:41:59,063 INFO L87 Difference]: Start difference. First operand 544 states and 655 transitions. Second operand 5 states. [2020-09-25 14:42:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:00,790 INFO L93 Difference]: Finished difference Result 1224 states and 1530 transitions. [2020-09-25 14:42:00,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 14:42:00,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-09-25 14:42:00,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:00,801 INFO L225 Difference]: With dead ends: 1224 [2020-09-25 14:42:00,801 INFO L226 Difference]: Without dead ends: 695 [2020-09-25 14:42:00,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:42:00,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2020-09-25 14:42:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2020-09-25 14:42:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-25 14:42:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 850 transitions. [2020-09-25 14:42:00,847 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 850 transitions. Word has length 128 [2020-09-25 14:42:00,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:00,848 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 850 transitions. [2020-09-25 14:42:00,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:42:00,849 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2020-09-25 14:42:00,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-25 14:42:00,855 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:00,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:00,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:42:00,856 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:00,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash -863517790, now seen corresponding path program 1 times [2020-09-25 14:42:00,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:00,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039742461] [2020-09-25 14:42:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:00,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:01,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:01,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:04,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:04,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:05,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:05,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-09-25 14:42:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 14:42:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4877 [2020-09-25 14:42:05,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:05,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 14:42:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:42:05,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-25 14:42:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:42:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:42:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:05,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:05,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:42:05,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:05,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:42:05,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:05,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:42:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:42:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:42:05,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:42:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:06,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:06,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:42:06,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 14:42:06,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:06,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:42:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:42:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 14:42:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:42:06,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039742461] [2020-09-25 14:42:06,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:42:06,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 14:42:06,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195644277] [2020-09-25 14:42:06,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:42:06,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:42:06,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:42:06,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:42:06,249 INFO L87 Difference]: Start difference. First operand 695 states and 850 transitions. Second operand 8 states. [2020-09-25 14:42:09,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:09,599 INFO L93 Difference]: Finished difference Result 1623 states and 2050 transitions. [2020-09-25 14:42:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:42:09,600 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-09-25 14:42:09,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:09,614 INFO L225 Difference]: With dead ends: 1623 [2020-09-25 14:42:09,614 INFO L226 Difference]: Without dead ends: 1093 [2020-09-25 14:42:09,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:42:09,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-09-25 14:42:09,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1044. [2020-09-25 14:42:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2020-09-25 14:42:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1270 transitions. [2020-09-25 14:42:09,679 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1270 transitions. Word has length 138 [2020-09-25 14:42:09,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:09,681 INFO L479 AbstractCegarLoop]: Abstraction has 1044 states and 1270 transitions. [2020-09-25 14:42:09,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:42:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1270 transitions. [2020-09-25 14:42:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-25 14:42:09,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:09,697 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:09,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:42:09,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:09,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1456961498, now seen corresponding path program 1 times [2020-09-25 14:42:09,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:09,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028197013] [2020-09-25 14:42:09,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:09,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:10,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:10,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:12,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:12,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-25 14:42:12,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:42:12,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2569 [2020-09-25 14:42:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:12,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:42:12,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 14:42:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 14:42:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:12,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:42:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:12,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:42:12,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 14:42:12,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:12,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:42:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:42:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:12,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:42:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:12,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-25 14:42:12,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-25 14:42:12,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:12,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:42:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:42:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 14:42:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:42:12,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028197013] [2020-09-25 14:42:12,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:42:12,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:42:12,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111916815] [2020-09-25 14:42:12,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:42:12,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:42:12,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:42:12,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:42:12,699 INFO L87 Difference]: Start difference. First operand 1044 states and 1270 transitions. Second operand 7 states. [2020-09-25 14:42:14,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:14,931 INFO L93 Difference]: Finished difference Result 2464 states and 3134 transitions. [2020-09-25 14:42:14,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:42:14,932 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-09-25 14:42:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:14,940 INFO L225 Difference]: With dead ends: 2464 [2020-09-25 14:42:14,941 INFO L226 Difference]: Without dead ends: 1594 [2020-09-25 14:42:14,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:42:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2020-09-25 14:42:15,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 1516. [2020-09-25 14:42:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2020-09-25 14:42:15,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1782 transitions. [2020-09-25 14:42:15,016 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1782 transitions. Word has length 140 [2020-09-25 14:42:15,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:15,017 INFO L479 AbstractCegarLoop]: Abstraction has 1516 states and 1782 transitions. [2020-09-25 14:42:15,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:42:15,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1782 transitions. [2020-09-25 14:42:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 14:42:15,020 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:15,021 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:15,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:42:15,021 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:15,022 INFO L82 PathProgramCache]: Analyzing trace with hash 275637238, now seen corresponding path program 1 times [2020-09-25 14:42:15,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:15,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610342046] [2020-09-25 14:42:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:15,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:15,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:15,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:15,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:15,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:17,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:17,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:18,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 14:42:18,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 14:42:18,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3448 [2020-09-25 14:42:18,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:18,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:42:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 14:42:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 14:42:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:42:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:18,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:18,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:42:18,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:18,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:42:18,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:18,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:42:18,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:18,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:42:18,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:42:18,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:42:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:18,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-25 14:42:18,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 14:42:18,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:18,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:42:18,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:18,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 14:42:18,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:42:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 14:42:18,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:42:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 14:42:18,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:18,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:42:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:42:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:42:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 102 proven. 29 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 14:42:19,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610342046] [2020-09-25 14:42:19,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:42:19,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 14:42:19,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365990748] [2020-09-25 14:42:19,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:42:19,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:42:19,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:42:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:42:19,030 INFO L87 Difference]: Start difference. First operand 1516 states and 1782 transitions. Second operand 7 states. [2020-09-25 14:42:21,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:21,562 INFO L93 Difference]: Finished difference Result 2744 states and 3378 transitions. [2020-09-25 14:42:21,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:42:21,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-25 14:42:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:21,585 INFO L225 Difference]: With dead ends: 2744 [2020-09-25 14:42:21,585 INFO L226 Difference]: Without dead ends: 1880 [2020-09-25 14:42:21,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:42:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2020-09-25 14:42:21,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1686. [2020-09-25 14:42:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-09-25 14:42:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1978 transitions. [2020-09-25 14:42:21,667 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1978 transitions. Word has length 208 [2020-09-25 14:42:21,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:21,667 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 1978 transitions. [2020-09-25 14:42:21,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:42:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1978 transitions. [2020-09-25 14:42:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 14:42:21,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:21,674 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:21,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:42:21,675 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:21,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:21,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1168446283, now seen corresponding path program 1 times [2020-09-25 14:42:21,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:21,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472764639] [2020-09-25 14:42:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:22,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:22,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:22,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:24,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:25,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:26,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 14:42:26,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:42:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 14:42:26,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:26,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:42:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-25 14:42:26,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 14:42:26,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:42:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:26,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:26,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:26,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:42:26,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:26,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:42:26,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:26,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:42:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:42:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:42:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:26,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:26,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:42:26,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:26,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-25 14:42:26,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:26,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:42:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:42:26,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:42:26,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 14:42:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:27,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:27,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 14:42:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:27,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-25 14:42:27,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:27,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:42:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:42:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-25 14:42:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 148 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-25 14:42:27,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472764639] [2020-09-25 14:42:27,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:42:27,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-25 14:42:27,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280702566] [2020-09-25 14:42:27,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:42:27,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:42:27,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:42:27,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:42:27,239 INFO L87 Difference]: Start difference. First operand 1686 states and 1978 transitions. Second operand 7 states. [2020-09-25 14:42:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:42:29,476 INFO L93 Difference]: Finished difference Result 3886 states and 4759 transitions. [2020-09-25 14:42:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:42:29,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-25 14:42:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:42:29,489 INFO L225 Difference]: With dead ends: 3886 [2020-09-25 14:42:29,489 INFO L226 Difference]: Without dead ends: 1716 [2020-09-25 14:42:29,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:42:29,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-09-25 14:42:29,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1636. [2020-09-25 14:42:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-09-25 14:42:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 1882 transitions. [2020-09-25 14:42:29,559 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 1882 transitions. Word has length 230 [2020-09-25 14:42:29,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:42:29,560 INFO L479 AbstractCegarLoop]: Abstraction has 1636 states and 1882 transitions. [2020-09-25 14:42:29,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:42:29,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1882 transitions. [2020-09-25 14:42:29,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-09-25 14:42:29,565 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:42:29,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:42:29,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:42:29,566 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:42:29,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:42:29,566 INFO L82 PathProgramCache]: Analyzing trace with hash -998564796, now seen corresponding path program 1 times [2020-09-25 14:42:29,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:42:29,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005277667] [2020-09-25 14:42:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:42:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:29,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:30,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:30,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:30,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:34,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:34,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-25 14:42:34,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:42:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 14:42:34,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:34,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:42:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 14:42:34,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 247 [2020-09-25 14:42:34,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:42:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:42:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:34,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:34,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 14:42:34,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:42:34,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:42:34,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:42:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-25 14:42:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:34,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:34,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:34,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-25 14:42:34,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 14:42:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:42:34,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 14:42:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:42:35,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:35,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:42:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:42:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-25 14:42:35,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:42:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 14:42:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0