/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/eca-rers2012/Problem14_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 03:14:39,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 03:14:39,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 03:14:39,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 03:14:39,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 03:14:39,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 03:14:39,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 03:14:39,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 03:14:39,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 03:14:39,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 03:14:39,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 03:14:39,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 03:14:39,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 03:14:39,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 03:14:39,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 03:14:39,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 03:14:39,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 03:14:39,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 03:14:39,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 03:14:39,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 03:14:39,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 03:14:39,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 03:14:39,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 03:14:39,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 03:14:40,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 03:14:40,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 03:14:40,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 03:14:40,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 03:14:40,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 03:14:40,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 03:14:40,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 03:14:40,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 03:14:40,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 03:14:40,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 03:14:40,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 03:14:40,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 03:14:40,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 03:14:40,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 03:14:40,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 03:14:40,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 03:14:40,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 03:14:40,023 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 03:14:40,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 03:14:40,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 03:14:40,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 03:14:40,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 03:14:40,093 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 03:14:40,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 03:14:40,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 03:14:40,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 03:14:40,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 03:14:40,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 03:14:40,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 03:14:40,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 03:14:40,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 03:14:40,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 03:14:40,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 03:14:40,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 03:14:40,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 03:14:40,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 03:14:40,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 03:14:40,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 03:14:40,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 03:14:40,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 03:14:40,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 03:14:40,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 03:14:40,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 03:14:40,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 03:14:40,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 03:14:40,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 03:14:40,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 03:14:40,101 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 03:14:40,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 03:14:40,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 03:14:40,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 03:14:40,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 03:14:40,486 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 03:14:40,487 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label04.c [2020-10-14 03:14:40,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39d274ebd/249ec558e5864fb9a3b9ac64b1e701d5/FLAG59414ec1d [2020-10-14 03:14:41,310 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 03:14:41,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label04.c [2020-10-14 03:14:41,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39d274ebd/249ec558e5864fb9a3b9ac64b1e701d5/FLAG59414ec1d [2020-10-14 03:14:41,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/39d274ebd/249ec558e5864fb9a3b9ac64b1e701d5 [2020-10-14 03:14:41,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 03:14:41,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 03:14:41,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 03:14:41,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 03:14:41,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 03:14:41,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:14:41" (1/1) ... [2020-10-14 03:14:41,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7d2fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:41, skipping insertion in model container [2020-10-14 03:14:41,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:14:41" (1/1) ... [2020-10-14 03:14:41,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 03:14:41,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 03:14:42,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:14:42,363 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 03:14:42,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 03:14:42,593 INFO L208 MainTranslator]: Completed translation [2020-10-14 03:14:42,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42 WrapperNode [2020-10-14 03:14:42,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 03:14:42,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 03:14:42,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 03:14:42,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 03:14:42,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (1/1) ... [2020-10-14 03:14:42,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 03:14:42,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 03:14:42,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 03:14:42,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 03:14:42,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (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 03:14:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 03:14:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 03:14:42,828 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 03:14:42,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 03:14:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 03:14:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 03:14:42,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 03:14:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 03:14:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 03:14:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 03:14:42,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 03:14:44,508 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 03:14:44,509 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 03:14:44,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:14:44 BoogieIcfgContainer [2020-10-14 03:14:44,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 03:14:44,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 03:14:44,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 03:14:44,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 03:14:44,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:14:41" (1/3) ... [2020-10-14 03:14:44,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bc810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:14:44, skipping insertion in model container [2020-10-14 03:14:44,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:14:42" (2/3) ... [2020-10-14 03:14:44,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bc810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:14:44, skipping insertion in model container [2020-10-14 03:14:44,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:14:44" (3/3) ... [2020-10-14 03:14:44,528 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label04.c [2020-10-14 03:14:44,544 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 03:14:44,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 03:14:44,574 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 03:14:44,609 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 03:14:44,610 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 03:14:44,610 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 03:14:44,610 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 03:14:44,610 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 03:14:44,610 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 03:14:44,611 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 03:14:44,611 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 03:14:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 03:14:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 03:14:44,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:44,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:44,654 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:44,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:44,663 INFO L82 PathProgramCache]: Analyzing trace with hash 111539867, now seen corresponding path program 1 times [2020-10-14 03:14:44,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:44,675 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969640045] [2020-10-14 03:14:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:45,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:45,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 03:14:45,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 588 [2020-10-14 03:14:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:45,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 03:14:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 03:14:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 03:14:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 03:14:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:45,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:14:45,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:45,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 03:14:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:45,716 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 03:14:45,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969640045] [2020-10-14 03:14:45,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 03:14:45,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 03:14:45,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687615742] [2020-10-14 03:14:45,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:45,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:45,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:45,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:45,756 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-10-14 03:14:47,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:47,882 INFO L93 Difference]: Finished difference Result 698 states and 1241 transitions. [2020-10-14 03:14:47,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:47,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-14 03:14:47,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:47,903 INFO L225 Difference]: With dead ends: 698 [2020-10-14 03:14:47,903 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 03:14:47,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:47,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 03:14:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 374. [2020-10-14 03:14:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-14 03:14:47,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 604 transitions. [2020-10-14 03:14:48,003 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 604 transitions. Word has length 58 [2020-10-14 03:14:48,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:48,004 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 604 transitions. [2020-10-14 03:14:48,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:48,005 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 604 transitions. [2020-10-14 03:14:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-14 03:14:48,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:48,014 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 03:14:48,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 03:14:48,014 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:48,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:48,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1919081915, now seen corresponding path program 1 times [2020-10-14 03:14:48,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:48,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730477994] [2020-10-14 03:14:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:48,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:48,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-14 03:14:49,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:14:49,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-14 03:14:49,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 03:14:49,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 03:14:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:14:49,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:49,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:14:49,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:49,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:14:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:49,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:49,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:49,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 03:14:49,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:49,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-14 03:14:49,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:49,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 03:14:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-14 03:14:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:14:49,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730477994] [2020-10-14 03:14:49,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:49,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:14:49,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234604227] [2020-10-14 03:14:49,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:49,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:49,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:49,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:49,761 INFO L87 Difference]: Start difference. First operand 374 states and 604 transitions. Second operand 5 states. [2020-10-14 03:14:51,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:51,851 INFO L93 Difference]: Finished difference Result 1116 states and 1822 transitions. [2020-10-14 03:14:51,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:51,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-14 03:14:51,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:51,859 INFO L225 Difference]: With dead ends: 1116 [2020-10-14 03:14:51,860 INFO L226 Difference]: Without dead ends: 748 [2020-10-14 03:14:51,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:51,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-14 03:14:51,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 560. [2020-10-14 03:14:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 03:14:51,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 831 transitions. [2020-10-14 03:14:51,922 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 831 transitions. Word has length 127 [2020-10-14 03:14:51,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:51,923 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 831 transitions. [2020-10-14 03:14:51,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:51,924 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 831 transitions. [2020-10-14 03:14:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-14 03:14:51,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:51,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 03:14:51,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 03:14:51,929 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:51,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:51,929 INFO L82 PathProgramCache]: Analyzing trace with hash -36826466, now seen corresponding path program 1 times [2020-10-14 03:14:51,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:51,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861873197] [2020-10-14 03:14:51,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:51,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:53,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:53,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:53,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-14 03:14:53,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:14:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-14 03:14:53,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:53,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-14 03:14:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 03:14:53,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:53,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:53,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:53,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:53,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:53,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:14:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:53,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:53,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:14:53,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:53,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:53,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:53,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-14 03:14:53,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 03:14:53,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:53,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 03:14:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:14:53,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861873197] [2020-10-14 03:14:53,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:53,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:14:53,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705776096] [2020-10-14 03:14:53,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:53,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:53,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:53,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:53,495 INFO L87 Difference]: Start difference. First operand 560 states and 831 transitions. Second operand 5 states. [2020-10-14 03:14:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:55,343 INFO L93 Difference]: Finished difference Result 1488 states and 2291 transitions. [2020-10-14 03:14:55,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:55,344 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-10-14 03:14:55,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:55,351 INFO L225 Difference]: With dead ends: 1488 [2020-10-14 03:14:55,352 INFO L226 Difference]: Without dead ends: 934 [2020-10-14 03:14:55,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-14 03:14:55,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 744. [2020-10-14 03:14:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:14:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1057 transitions. [2020-10-14 03:14:55,438 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1057 transitions. Word has length 128 [2020-10-14 03:14:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:55,439 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1057 transitions. [2020-10-14 03:14:55,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:55,439 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1057 transitions. [2020-10-14 03:14:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-14 03:14:55,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:55,447 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:55,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 03:14:55,448 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash 313899057, now seen corresponding path program 1 times [2020-10-14 03:14:55,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:55,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640748156] [2020-10-14 03:14:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:55,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:55,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 03:14:57,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:14:57,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1957 [2020-10-14 03:14:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:14:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-14 03:14:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-14 03:14:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:14:57,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:14:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:14:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:14:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:14:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:14:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:57,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:14:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:57,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:14:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 03:14:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:14:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 03:14:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:14:57,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:14:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:14:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:14:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 03:14:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:14:57,777 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 03:14:57,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640748156] [2020-10-14 03:14:57,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:14:57,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 03:14:57,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842898042] [2020-10-14 03:14:57,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 03:14:57,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:14:57,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 03:14:57,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 03:14:57,783 INFO L87 Difference]: Start difference. First operand 744 states and 1057 transitions. Second operand 5 states. [2020-10-14 03:14:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:14:59,583 INFO L93 Difference]: Finished difference Result 2040 states and 2953 transitions. [2020-10-14 03:14:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:14:59,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-10-14 03:14:59,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:14:59,590 INFO L225 Difference]: With dead ends: 2040 [2020-10-14 03:14:59,590 INFO L226 Difference]: Without dead ends: 750 [2020-10-14 03:14:59,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:14:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-10-14 03:14:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 744. [2020-10-14 03:14:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2020-10-14 03:14:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1033 transitions. [2020-10-14 03:14:59,626 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1033 transitions. Word has length 153 [2020-10-14 03:14:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:14:59,627 INFO L479 AbstractCegarLoop]: Abstraction has 744 states and 1033 transitions. [2020-10-14 03:14:59,627 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 03:14:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1033 transitions. [2020-10-14 03:14:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-14 03:14:59,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:14:59,632 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:14:59,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 03:14:59,633 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:14:59,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:14:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1391402673, now seen corresponding path program 1 times [2020-10-14 03:14:59,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:14:59,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57854238] [2020-10-14 03:14:59,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:14:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:14:59,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:59,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:14:59,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:01,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:01,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-14 03:15:01,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:15:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2188 [2020-10-14 03:15:01,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:01,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 03:15:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:01,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:01,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:01,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:01,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:01,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:01,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:01,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:01,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:01,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:02,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:02,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 03:15:02,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:02,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:15:02,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:02,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:02,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 03:15:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 03:15:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 03:15:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:02,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:02,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:02,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:02,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:02,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 03:15:02,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:02,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:02,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:02,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:02,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57854238] [2020-10-14 03:15:02,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:02,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:02,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846537348] [2020-10-14 03:15:02,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:02,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:02,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:02,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:02,334 INFO L87 Difference]: Start difference. First operand 744 states and 1033 transitions. Second operand 7 states. [2020-10-14 03:15:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:05,583 INFO L93 Difference]: Finished difference Result 2624 states and 3829 transitions. [2020-10-14 03:15:05,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:15:05,592 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-10-14 03:15:05,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:05,611 INFO L225 Difference]: With dead ends: 2624 [2020-10-14 03:15:05,611 INFO L226 Difference]: Without dead ends: 1886 [2020-10-14 03:15:05,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:05,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2020-10-14 03:15:05,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1674. [2020-10-14 03:15:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1674 states. [2020-10-14 03:15:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2237 transitions. [2020-10-14 03:15:05,706 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2237 transitions. Word has length 214 [2020-10-14 03:15:05,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:05,708 INFO L479 AbstractCegarLoop]: Abstraction has 1674 states and 2237 transitions. [2020-10-14 03:15:05,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2237 transitions. [2020-10-14 03:15:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 03:15:05,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:05,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:05,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 03:15:05,715 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:05,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:05,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1493050141, now seen corresponding path program 1 times [2020-10-14 03:15:05,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:05,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366662815] [2020-10-14 03:15:05,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:05,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:07,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:07,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-14 03:15:07,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:15:07,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2062 [2020-10-14 03:15:07,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:07,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 03:15:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:07,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:07,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:07,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:07,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:07,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:07,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:08,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:15:08,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:08,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:08,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:08,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 03:15:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 03:15:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:08,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:08,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 03:15:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:08,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:08,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:08,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:15:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 172 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 03:15:08,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [366662815] [2020-10-14 03:15:08,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:08,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:08,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084471546] [2020-10-14 03:15:08,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:08,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:08,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:08,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:08,563 INFO L87 Difference]: Start difference. First operand 1674 states and 2237 transitions. Second operand 7 states. [2020-10-14 03:15:10,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:10,599 INFO L93 Difference]: Finished difference Result 3900 states and 5322 transitions. [2020-10-14 03:15:10,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:15:10,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-14 03:15:10,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:10,617 INFO L225 Difference]: With dead ends: 3900 [2020-10-14 03:15:10,617 INFO L226 Difference]: Without dead ends: 2236 [2020-10-14 03:15:10,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:15:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2020-10-14 03:15:10,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2050. [2020-10-14 03:15:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2050 states. [2020-10-14 03:15:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 2050 states and 2577 transitions. [2020-10-14 03:15:10,693 INFO L78 Accepts]: Start accepts. Automaton has 2050 states and 2577 transitions. Word has length 240 [2020-10-14 03:15:10,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:10,693 INFO L479 AbstractCegarLoop]: Abstraction has 2050 states and 2577 transitions. [2020-10-14 03:15:10,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2577 transitions. [2020-10-14 03:15:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-14 03:15:10,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:10,701 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 03:15:10,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 03:15:10,701 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:10,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1990732249, now seen corresponding path program 1 times [2020-10-14 03:15:10,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:10,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138346923] [2020-10-14 03:15:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:10,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:10,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:11,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:11,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:15,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:15,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-14 03:15:15,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:15:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 03:15:15,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:15,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:15,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 03:15:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:15:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:15,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:15,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:15,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:15,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:15,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:15,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:15,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:15,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:15,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:15,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 03:15:15,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:15:15,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:15,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 03:15:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 03:15:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:16,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:16,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 03:15:16,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:16,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 03:15:16,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:16,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:16,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 03:15:16,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-14 03:15:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:16,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:16,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:16,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:16,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:16,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:15:16,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:16,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:15:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 238 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 03:15:16,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138346923] [2020-10-14 03:15:16,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:16,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:16,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588650894] [2020-10-14 03:15:16,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:16,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:16,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:16,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:16,508 INFO L87 Difference]: Start difference. First operand 2050 states and 2577 transitions. Second operand 7 states. [2020-10-14 03:15:18,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:18,340 INFO L93 Difference]: Finished difference Result 4130 states and 5232 transitions. [2020-10-14 03:15:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:15:18,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 327 [2020-10-14 03:15:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:18,354 INFO L225 Difference]: With dead ends: 4130 [2020-10-14 03:15:18,354 INFO L226 Difference]: Without dead ends: 1878 [2020-10-14 03:15:18,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:18,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2020-10-14 03:15:18,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1862. [2020-10-14 03:15:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1862 states. [2020-10-14 03:15:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2074 transitions. [2020-10-14 03:15:18,431 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2074 transitions. Word has length 327 [2020-10-14 03:15:18,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:18,431 INFO L479 AbstractCegarLoop]: Abstraction has 1862 states and 2074 transitions. [2020-10-14 03:15:18,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2074 transitions. [2020-10-14 03:15:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-10-14 03:15:18,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:18,441 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:18,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 03:15:18,442 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:18,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:18,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1260376966, now seen corresponding path program 1 times [2020-10-14 03:15:18,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:18,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824021955] [2020-10-14 03:15:18,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:18,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:18,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:19,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 388 [2020-10-14 03:15:23,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:15:23,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-14 03:15:23,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 03:15:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-14 03:15:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:23,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:23,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:23,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:23,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:23,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-14 03:15:23,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:23,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 03:15:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:23,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:23,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:24,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:24,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:15:24,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:24,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-14 03:15:24,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:24,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:24,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:24,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 03:15:24,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:24,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 03:15:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:24,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:24,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:24,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:24,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:24,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:15:24,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:24,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:15:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 264 proven. 72 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-10-14 03:15:24,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824021955] [2020-10-14 03:15:24,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:24,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:24,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544481716] [2020-10-14 03:15:24,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:24,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:24,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:24,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:24,457 INFO L87 Difference]: Start difference. First operand 1862 states and 2074 transitions. Second operand 7 states. [2020-10-14 03:15:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:25,947 INFO L93 Difference]: Finished difference Result 3918 states and 4378 transitions. [2020-10-14 03:15:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:15:25,950 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 374 [2020-10-14 03:15:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:25,963 INFO L225 Difference]: With dead ends: 3918 [2020-10-14 03:15:25,963 INFO L226 Difference]: Without dead ends: 2244 [2020-10-14 03:15:25,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:25,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244 states. [2020-10-14 03:15:26,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244 to 2226. [2020-10-14 03:15:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2226 states. [2020-10-14 03:15:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2446 transitions. [2020-10-14 03:15:26,033 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2446 transitions. Word has length 374 [2020-10-14 03:15:26,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:26,034 INFO L479 AbstractCegarLoop]: Abstraction has 2226 states and 2446 transitions. [2020-10-14 03:15:26,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2446 transitions. [2020-10-14 03:15:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2020-10-14 03:15:26,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:26,046 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:26,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 03:15:26,046 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:26,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:26,047 INFO L82 PathProgramCache]: Analyzing trace with hash 154432442, now seen corresponding path program 1 times [2020-10-14 03:15:26,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:26,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067762431] [2020-10-14 03:15:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:26,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:26,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 483 [2020-10-14 03:15:28,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:15:28,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2026 [2020-10-14 03:15:28,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:15:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:28,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:28,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:28,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:15:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:28,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 03:15:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:28,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:28,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 03:15:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:15:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:28,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:28,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:28,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:28,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:28,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 03:15:28,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:28,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 424 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-14 03:15:29,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067762431] [2020-10-14 03:15:29,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:29,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:29,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442781787] [2020-10-14 03:15:29,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:29,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:29,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:29,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:29,195 INFO L87 Difference]: Start difference. First operand 2226 states and 2446 transitions. Second operand 7 states. [2020-10-14 03:15:31,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:31,138 INFO L93 Difference]: Finished difference Result 4636 states and 5205 transitions. [2020-10-14 03:15:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 03:15:31,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 467 [2020-10-14 03:15:31,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:31,153 INFO L225 Difference]: With dead ends: 4636 [2020-10-14 03:15:31,153 INFO L226 Difference]: Without dead ends: 2598 [2020-10-14 03:15:31,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 03:15:31,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2598 states. [2020-10-14 03:15:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2598 to 2594. [2020-10-14 03:15:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2594 states. [2020-10-14 03:15:31,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 2846 transitions. [2020-10-14 03:15:31,226 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 2846 transitions. Word has length 467 [2020-10-14 03:15:31,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:31,228 INFO L479 AbstractCegarLoop]: Abstraction has 2594 states and 2846 transitions. [2020-10-14 03:15:31,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 2846 transitions. [2020-10-14 03:15:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2020-10-14 03:15:31,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:31,240 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:31,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 03:15:31,241 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:31,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:31,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1640913897, now seen corresponding path program 1 times [2020-10-14 03:15:31,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:31,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179295127] [2020-10-14 03:15:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:31,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:31,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 524 [2020-10-14 03:15:33,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:15:33,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1716 [2020-10-14 03:15:33,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:33,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 03:15:33,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-14 03:15:33,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:33,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:33,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:33,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:33,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:33,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:33,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:33,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:33,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:33,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:15:33,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:33,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:33,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:33,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:33,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:15:33,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:33,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:33,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:33,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-14 03:15:33,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 03:15:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:33,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:33,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:33,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:33,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 03:15:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 03:15:33,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:33,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:15:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 538 proven. 2 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2020-10-14 03:15:34,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179295127] [2020-10-14 03:15:34,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:34,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:34,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125850157] [2020-10-14 03:15:34,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:34,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:34,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:34,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:34,107 INFO L87 Difference]: Start difference. First operand 2594 states and 2846 transitions. Second operand 7 states. [2020-10-14 03:15:35,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:35,843 INFO L93 Difference]: Finished difference Result 6118 states and 6828 transitions. [2020-10-14 03:15:35,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:15:35,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 508 [2020-10-14 03:15:35,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:35,864 INFO L225 Difference]: With dead ends: 6118 [2020-10-14 03:15:35,864 INFO L226 Difference]: Without dead ends: 3712 [2020-10-14 03:15:35,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:35,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2020-10-14 03:15:35,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3334. [2020-10-14 03:15:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3334 states. [2020-10-14 03:15:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 3676 transitions. [2020-10-14 03:15:35,963 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 3676 transitions. Word has length 508 [2020-10-14 03:15:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:35,965 INFO L479 AbstractCegarLoop]: Abstraction has 3334 states and 3676 transitions. [2020-10-14 03:15:35,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 3676 transitions. [2020-10-14 03:15:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2020-10-14 03:15:35,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:35,973 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:15:35,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 03:15:35,974 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1864997426, now seen corresponding path program 1 times [2020-10-14 03:15:35,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:35,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829376961] [2020-10-14 03:15:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:36,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 566 [2020-10-14 03:15:39,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:15:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2968 [2020-10-14 03:15:39,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 433 [2020-10-14 03:15:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:15:39,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:39,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:39,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:15:39,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:39,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:39,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:39,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:39,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:15:39,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:39,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:39,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:39,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:39,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:15:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:39,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:39,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 550 proven. 2 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2020-10-14 03:15:40,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829376961] [2020-10-14 03:15:40,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:40,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:40,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078495141] [2020-10-14 03:15:40,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:40,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:40,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:40,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:40,020 INFO L87 Difference]: Start difference. First operand 3334 states and 3676 transitions. Second operand 7 states. [2020-10-14 03:15:41,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:41,739 INFO L93 Difference]: Finished difference Result 6854 states and 7624 transitions. [2020-10-14 03:15:41,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:15:41,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 548 [2020-10-14 03:15:41,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:41,760 INFO L225 Difference]: With dead ends: 6854 [2020-10-14 03:15:41,760 INFO L226 Difference]: Without dead ends: 3708 [2020-10-14 03:15:41,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:41,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2020-10-14 03:15:41,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3698. [2020-10-14 03:15:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3698 states. [2020-10-14 03:15:41,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 4064 transitions. [2020-10-14 03:15:41,867 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 4064 transitions. Word has length 548 [2020-10-14 03:15:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:41,868 INFO L479 AbstractCegarLoop]: Abstraction has 3698 states and 4064 transitions. [2020-10-14 03:15:41,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 4064 transitions. [2020-10-14 03:15:41,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-10-14 03:15:41,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:41,877 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 03:15:41,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 03:15:41,878 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:41,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:41,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1618016074, now seen corresponding path program 1 times [2020-10-14 03:15:41,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:41,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526537286] [2020-10-14 03:15:41,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 644 [2020-10-14 03:15:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-14 03:15:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:15:42,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:42,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:42,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 03:15:42,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:42,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:42,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:42,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:15:42,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:42,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:42,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:42,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:42,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:43,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:43,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:43,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:43,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:15:43,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:43,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:43,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:43,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:43,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:43,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:15:43,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:43,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:43,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:43,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:15:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-14 03:15:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:43,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:15:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:43,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:15:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:43,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 550 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 03:15:43,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526537286] [2020-10-14 03:15:43,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:43,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:43,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334187749] [2020-10-14 03:15:43,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:43,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:43,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:43,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:43,787 INFO L87 Difference]: Start difference. First operand 3698 states and 4064 transitions. Second operand 7 states. [2020-10-14 03:15:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:46,310 INFO L93 Difference]: Finished difference Result 7950 states and 8847 transitions. [2020-10-14 03:15:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:15:46,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 626 [2020-10-14 03:15:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:46,332 INFO L225 Difference]: With dead ends: 7950 [2020-10-14 03:15:46,332 INFO L226 Difference]: Without dead ends: 4254 [2020-10-14 03:15:46,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:15:46,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2020-10-14 03:15:46,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 4066. [2020-10-14 03:15:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4066 states. [2020-10-14 03:15:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 4437 transitions. [2020-10-14 03:15:46,440 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 4437 transitions. Word has length 626 [2020-10-14 03:15:46,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:46,441 INFO L479 AbstractCegarLoop]: Abstraction has 4066 states and 4437 transitions. [2020-10-14 03:15:46,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 4437 transitions. [2020-10-14 03:15:46,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2020-10-14 03:15:46,450 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:46,451 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 03:15:46,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 03:15:46,452 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:46,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:46,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1730540503, now seen corresponding path program 1 times [2020-10-14 03:15:46,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:46,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897650972] [2020-10-14 03:15:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:46,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:46,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:47,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 645 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:15:51,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:15:51,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:51,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:51,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:51,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:51,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:51,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:51,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:51,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:51,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:15:51,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:51,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 03:15:51,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:51,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:15:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:15:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:51,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:52,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 03:15:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 554 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 03:15:52,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897650972] [2020-10-14 03:15:52,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:52,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:52,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119733062] [2020-10-14 03:15:52,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:52,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:52,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:52,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:52,255 INFO L87 Difference]: Start difference. First operand 4066 states and 4437 transitions. Second operand 7 states. [2020-10-14 03:15:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:53,647 INFO L93 Difference]: Finished difference Result 7984 states and 8906 transitions. [2020-10-14 03:15:53,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:15:53,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 627 [2020-10-14 03:15:53,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:53,664 INFO L225 Difference]: With dead ends: 7984 [2020-10-14 03:15:53,664 INFO L226 Difference]: Without dead ends: 4106 [2020-10-14 03:15:53,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:15:53,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4106 states. [2020-10-14 03:15:53,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4106 to 2604. [2020-10-14 03:15:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2020-10-14 03:15:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 2840 transitions. [2020-10-14 03:15:53,740 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 2840 transitions. Word has length 627 [2020-10-14 03:15:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:53,741 INFO L479 AbstractCegarLoop]: Abstraction has 2604 states and 2840 transitions. [2020-10-14 03:15:53,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 2840 transitions. [2020-10-14 03:15:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2020-10-14 03:15:53,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:53,751 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 03:15:53,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 03:15:53,752 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:53,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:53,753 INFO L82 PathProgramCache]: Analyzing trace with hash -970508781, now seen corresponding path program 1 times [2020-10-14 03:15:53,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:53,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722150970] [2020-10-14 03:15:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:53,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:54,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 722 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1530 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 03:15:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 03:15:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:55,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:55,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:55,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:55,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:55,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:15:55,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:55,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:15:55,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 03:15:55,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 03:15:55,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:15:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:15:55,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 03:15:55,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 03:15:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:55,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 03:15:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:15:55,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:55,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 629 proven. 72 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2020-10-14 03:15:56,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722150970] [2020-10-14 03:15:56,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:56,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:56,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128671707] [2020-10-14 03:15:56,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:56,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:56,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:56,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:56,210 INFO L87 Difference]: Start difference. First operand 2604 states and 2840 transitions. Second operand 7 states. [2020-10-14 03:15:57,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:15:57,721 INFO L93 Difference]: Finished difference Result 5584 states and 6180 transitions. [2020-10-14 03:15:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:15:57,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 702 [2020-10-14 03:15:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:15:57,732 INFO L225 Difference]: With dead ends: 5584 [2020-10-14 03:15:57,733 INFO L226 Difference]: Without dead ends: 2984 [2020-10-14 03:15:57,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:15:57,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2020-10-14 03:15:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2984. [2020-10-14 03:15:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2984 states. [2020-10-14 03:15:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 3268 transitions. [2020-10-14 03:15:57,793 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 3268 transitions. Word has length 702 [2020-10-14 03:15:57,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:15:57,794 INFO L479 AbstractCegarLoop]: Abstraction has 2984 states and 3268 transitions. [2020-10-14 03:15:57,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:15:57,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3268 transitions. [2020-10-14 03:15:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-10-14 03:15:57,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:15:57,806 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 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 03:15:57,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 03:15:57,806 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:15:57,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:15:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1559719242, now seen corresponding path program 1 times [2020-10-14 03:15:57,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:15:57,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431389551] [2020-10-14 03:15:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:15:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:58,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 819 [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:58,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 686 [2020-10-14 03:15:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:15:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:15:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:58,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:58,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:58,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:15:58,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:15:58,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:58,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:15:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:58,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:58,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:15:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:58,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:15:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:15:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:58,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:15:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:58,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:59,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:59,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:15:59,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:59,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:15:59,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:59,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:15:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:59,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:59,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:15:59,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:59,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:15:59,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:59,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:15:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:59,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:15:59,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:15:59,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:15:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:59,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:59,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:15:59,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:15:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-14 03:15:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:59,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:15:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:15:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:15:59,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:15:59,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:15:59,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:15:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:15:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 676 proven. 2 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2020-10-14 03:15:59,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431389551] [2020-10-14 03:15:59,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:15:59,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:15:59,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341612736] [2020-10-14 03:15:59,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:15:59,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:15:59,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:15:59,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:15:59,810 INFO L87 Difference]: Start difference. First operand 2984 states and 3268 transitions. Second operand 7 states. [2020-10-14 03:16:01,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:01,447 INFO L93 Difference]: Finished difference Result 6146 states and 6754 transitions. [2020-10-14 03:16:01,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:16:01,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 799 [2020-10-14 03:16:01,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:01,455 INFO L225 Difference]: With dead ends: 6146 [2020-10-14 03:16:01,456 INFO L226 Difference]: Without dead ends: 3166 [2020-10-14 03:16:01,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:16:01,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2020-10-14 03:16:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3164. [2020-10-14 03:16:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2020-10-14 03:16:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 3443 transitions. [2020-10-14 03:16:01,515 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 3443 transitions. Word has length 799 [2020-10-14 03:16:01,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:01,516 INFO L479 AbstractCegarLoop]: Abstraction has 3164 states and 3443 transitions. [2020-10-14 03:16:01,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:16:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3443 transitions. [2020-10-14 03:16:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2020-10-14 03:16:01,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:01,529 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:01,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 03:16:01,529 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:01,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1413186048, now seen corresponding path program 1 times [2020-10-14 03:16:01,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:01,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263207659] [2020-10-14 03:16:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:01,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:02,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 864 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2478 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:16:04,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:16:04,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 03:16:04,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:04,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 03:16:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:04,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 03:16:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:16:04,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:16:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:04,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:16:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:04,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:16:04,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:16:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:04,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:04,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:16:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:04,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 03:16:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 914 proven. 56 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2020-10-14 03:16:05,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263207659] [2020-10-14 03:16:05,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:05,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:05,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071172178] [2020-10-14 03:16:05,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:05,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:05,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:05,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:05,109 INFO L87 Difference]: Start difference. First operand 3164 states and 3443 transitions. Second operand 8 states. [2020-10-14 03:16:07,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:07,311 INFO L93 Difference]: Finished difference Result 7630 states and 8406 transitions. [2020-10-14 03:16:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:16:07,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 842 [2020-10-14 03:16:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:07,329 INFO L225 Difference]: With dead ends: 7630 [2020-10-14 03:16:07,329 INFO L226 Difference]: Without dead ends: 4654 [2020-10-14 03:16:07,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:16:07,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4654 states. [2020-10-14 03:16:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4654 to 4094. [2020-10-14 03:16:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4094 states. [2020-10-14 03:16:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 4505 transitions. [2020-10-14 03:16:07,413 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 4505 transitions. Word has length 842 [2020-10-14 03:16:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:07,414 INFO L479 AbstractCegarLoop]: Abstraction has 4094 states and 4505 transitions. [2020-10-14 03:16:07,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 4505 transitions. [2020-10-14 03:16:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2020-10-14 03:16:07,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:07,427 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:07,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 03:16:07,427 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:07,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1909915855, now seen corresponding path program 1 times [2020-10-14 03:16:07,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:07,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143872634] [2020-10-14 03:16:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:07,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 897 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1784 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:16:09,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:16:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-10-14 03:16:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:09,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:09,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:16:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:16:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:16:09,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:16:09,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:09,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:16:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:09,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:09,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:09,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 03:16:09,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 03:16:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:09,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:16:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-14 03:16:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 950 proven. 56 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2020-10-14 03:16:10,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143872634] [2020-10-14 03:16:10,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:10,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:10,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107450811] [2020-10-14 03:16:10,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:10,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:10,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:10,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:10,795 INFO L87 Difference]: Start difference. First operand 4094 states and 4505 transitions. Second operand 8 states. [2020-10-14 03:16:12,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:12,923 INFO L93 Difference]: Finished difference Result 4840 states and 5302 transitions. [2020-10-14 03:16:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:16:12,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 875 [2020-10-14 03:16:12,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:12,938 INFO L225 Difference]: With dead ends: 4840 [2020-10-14 03:16:12,939 INFO L226 Difference]: Without dead ends: 4838 [2020-10-14 03:16:12,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:16:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2020-10-14 03:16:13,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4094. [2020-10-14 03:16:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4094 states. [2020-10-14 03:16:13,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4094 states to 4094 states and 4505 transitions. [2020-10-14 03:16:13,020 INFO L78 Accepts]: Start accepts. Automaton has 4094 states and 4505 transitions. Word has length 875 [2020-10-14 03:16:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:13,021 INFO L479 AbstractCegarLoop]: Abstraction has 4094 states and 4505 transitions. [2020-10-14 03:16:13,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4094 states and 4505 transitions. [2020-10-14 03:16:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 877 [2020-10-14 03:16:13,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:13,036 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:13,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 03:16:13,036 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:13,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:13,037 INFO L82 PathProgramCache]: Analyzing trace with hash 453313820, now seen corresponding path program 1 times [2020-10-14 03:16:13,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:13,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443338481] [2020-10-14 03:16:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:13,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 898 [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3428 [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:16:16,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 03:16:16,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-14 03:16:16,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:16,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:16,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:16,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:16,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:16,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:16,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:16:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:16,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:16,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:16,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:16,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:16,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:16,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:16,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:16:16,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:16,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:16,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:16,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:16:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:16,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:17,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:17,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:17,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:16:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:17,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:17,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 03:16:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:16:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:17,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:16:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-14 03:16:17,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 951 proven. 56 refuted. 0 times theorem prover too weak. 1359 trivial. 0 not checked. [2020-10-14 03:16:17,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443338481] [2020-10-14 03:16:17,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:17,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:17,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102841510] [2020-10-14 03:16:17,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:17,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:17,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:17,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:17,728 INFO L87 Difference]: Start difference. First operand 4094 states and 4505 transitions. Second operand 8 states. [2020-10-14 03:16:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:19,972 INFO L93 Difference]: Finished difference Result 4840 states and 5299 transitions. [2020-10-14 03:16:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 03:16:19,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 876 [2020-10-14 03:16:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:19,985 INFO L225 Difference]: With dead ends: 4840 [2020-10-14 03:16:19,985 INFO L226 Difference]: Without dead ends: 4838 [2020-10-14 03:16:19,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:16:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2020-10-14 03:16:20,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4096. [2020-10-14 03:16:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4096 states. [2020-10-14 03:16:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 4096 states and 4506 transitions. [2020-10-14 03:16:20,058 INFO L78 Accepts]: Start accepts. Automaton has 4096 states and 4506 transitions. Word has length 876 [2020-10-14 03:16:20,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:20,059 INFO L479 AbstractCegarLoop]: Abstraction has 4096 states and 4506 transitions. [2020-10-14 03:16:20,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4096 states and 4506 transitions. [2020-10-14 03:16:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2020-10-14 03:16:20,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:20,075 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:20,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 03:16:20,075 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:20,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:20,076 INFO L82 PathProgramCache]: Analyzing trace with hash -275487925, now seen corresponding path program 1 times [2020-10-14 03:16:20,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:20,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2080649806] [2020-10-14 03:16:20,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:23,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:23,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 983 [2020-10-14 03:16:23,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:16:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3677 [2020-10-14 03:16:23,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:23,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:16:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 850 [2020-10-14 03:16:23,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 03:16:23,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:24,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:24,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:24,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:16:24,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:24,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:16:24,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:16:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:16:24,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:16:24,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:16:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 03:16:24,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 03:16:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-14 03:16:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2020-10-14 03:16:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:24,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:24,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:16:24,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-14 03:16:24,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:24,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:16:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:16:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 748 proven. 56 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2020-10-14 03:16:25,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2080649806] [2020-10-14 03:16:25,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:25,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:25,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345941222] [2020-10-14 03:16:25,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:25,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:25,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:25,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:25,471 INFO L87 Difference]: Start difference. First operand 4096 states and 4506 transitions. Second operand 8 states. [2020-10-14 03:16:27,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:27,885 INFO L93 Difference]: Finished difference Result 9684 states and 10762 transitions. [2020-10-14 03:16:27,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 03:16:27,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 961 [2020-10-14 03:16:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:27,901 INFO L225 Difference]: With dead ends: 9684 [2020-10-14 03:16:27,901 INFO L226 Difference]: Without dead ends: 5776 [2020-10-14 03:16:27,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-14 03:16:27,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5776 states. [2020-10-14 03:16:27,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5776 to 5386. [2020-10-14 03:16:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5386 states. [2020-10-14 03:16:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 5967 transitions. [2020-10-14 03:16:28,001 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 5967 transitions. Word has length 961 [2020-10-14 03:16:28,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:28,002 INFO L479 AbstractCegarLoop]: Abstraction has 5386 states and 5967 transitions. [2020-10-14 03:16:28,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 5967 transitions. [2020-10-14 03:16:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2020-10-14 03:16:28,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:28,021 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 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] [2020-10-14 03:16:28,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 03:16:28,021 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:28,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2078034035, now seen corresponding path program 1 times [2020-10-14 03:16:28,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:28,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960832229] [2020-10-14 03:16:28,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:28,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:28,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:29,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:31,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1071 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 806 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:16:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:33,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:33,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:16:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:16:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:33,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:33,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:16:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:33,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:33,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-14 03:16:33,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-14 03:16:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:33,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 03:16:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:33,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2020-10-14 03:16:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:33,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:34,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:34,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:16:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-10-14 03:16:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:34,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:34,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:34,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:34,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:34,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3752 backedges. 1233 proven. 72 refuted. 0 times theorem prover too weak. 2447 trivial. 0 not checked. [2020-10-14 03:16:34,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960832229] [2020-10-14 03:16:34,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:34,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:34,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372278959] [2020-10-14 03:16:34,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:34,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:34,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:34,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:34,799 INFO L87 Difference]: Start difference. First operand 5386 states and 5967 transitions. Second operand 8 states. [2020-10-14 03:16:36,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:36,964 INFO L93 Difference]: Finished difference Result 11696 states and 13134 transitions. [2020-10-14 03:16:36,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:16:36,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1045 [2020-10-14 03:16:36,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:36,991 INFO L225 Difference]: With dead ends: 11696 [2020-10-14 03:16:36,991 INFO L226 Difference]: Without dead ends: 5926 [2020-10-14 03:16:37,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 03:16:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2020-10-14 03:16:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5188. [2020-10-14 03:16:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5188 states. [2020-10-14 03:16:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 5739 transitions. [2020-10-14 03:16:37,098 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 5739 transitions. Word has length 1045 [2020-10-14 03:16:37,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:37,099 INFO L479 AbstractCegarLoop]: Abstraction has 5188 states and 5739 transitions. [2020-10-14 03:16:37,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 5739 transitions. [2020-10-14 03:16:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2020-10-14 03:16:37,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:37,119 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:37,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 03:16:37,119 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:37,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:37,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1143284603, now seen corresponding path program 1 times [2020-10-14 03:16:37,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:37,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794749246] [2020-10-14 03:16:37,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:37,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:40,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1118 [2020-10-14 03:16:42,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:16:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4828 [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 985 [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-14 03:16:42,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:42,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:42,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:16:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:42,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 03:16:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 03:16:42,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:16:42,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2020-10-14 03:16:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:42,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2020-10-14 03:16:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:42,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:16:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2020-10-14 03:16:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:42,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:16:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:16:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3470 backedges. 869 proven. 61 refuted. 0 times theorem prover too weak. 2540 trivial. 0 not checked. [2020-10-14 03:16:43,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794749246] [2020-10-14 03:16:43,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:43,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:43,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897299406] [2020-10-14 03:16:43,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:43,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:43,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:43,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:43,472 INFO L87 Difference]: Start difference. First operand 5188 states and 5739 transitions. Second operand 8 states. [2020-10-14 03:16:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:46,135 INFO L93 Difference]: Finished difference Result 10760 states and 11879 transitions. [2020-10-14 03:16:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 03:16:46,136 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1094 [2020-10-14 03:16:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:46,149 INFO L225 Difference]: With dead ends: 10760 [2020-10-14 03:16:46,149 INFO L226 Difference]: Without dead ends: 5576 [2020-10-14 03:16:46,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:16:46,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5576 states. [2020-10-14 03:16:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5576 to 5016. [2020-10-14 03:16:46,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5016 states. [2020-10-14 03:16:46,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5016 states to 5016 states and 5494 transitions. [2020-10-14 03:16:46,246 INFO L78 Accepts]: Start accepts. Automaton has 5016 states and 5494 transitions. Word has length 1094 [2020-10-14 03:16:46,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:46,248 INFO L479 AbstractCegarLoop]: Abstraction has 5016 states and 5494 transitions. [2020-10-14 03:16:46,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5016 states and 5494 transitions. [2020-10-14 03:16:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1288 [2020-10-14 03:16:46,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:46,273 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:46,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 03:16:46,274 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:46,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:46,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1528390058, now seen corresponding path program 1 times [2020-10-14 03:16:46,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:46,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249283986] [2020-10-14 03:16:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:46,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:48,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1315 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 03:16:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 03:16:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:16:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:16:51,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:16:51,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:16:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:16:51,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:16:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:16:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:16:51,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:16:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:16:51,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:16:51,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:16:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:51,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:51,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:51,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:16:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:52,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:52,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:16:52,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:52,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:16:52,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:52,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:52,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:52,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:16:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:52,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:16:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:16:52,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 03:16:52,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:16:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:52,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:52,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:52,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:16:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-14 03:16:52,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:52,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:16:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:16:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-14 03:16:52,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:16:52,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2020-10-14 03:16:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:52,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:52,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-14 03:16:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:52,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1110 [2020-10-14 03:16:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:52,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:16:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-14 03:16:52,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:16:52,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:16:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5136 backedges. 1348 proven. 236 refuted. 0 times theorem prover too weak. 3552 trivial. 0 not checked. [2020-10-14 03:16:53,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249283986] [2020-10-14 03:16:53,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:16:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 03:16:53,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878117991] [2020-10-14 03:16:53,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 03:16:53,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:16:53,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 03:16:53,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 03:16:53,383 INFO L87 Difference]: Start difference. First operand 5016 states and 5494 transitions. Second operand 8 states. [2020-10-14 03:16:55,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:16:55,713 INFO L93 Difference]: Finished difference Result 10032 states and 11041 transitions. [2020-10-14 03:16:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 03:16:55,717 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1287 [2020-10-14 03:16:55,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:16:55,726 INFO L225 Difference]: With dead ends: 10032 [2020-10-14 03:16:55,727 INFO L226 Difference]: Without dead ends: 5204 [2020-10-14 03:16:55,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 03:16:55,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2020-10-14 03:16:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 5200. [2020-10-14 03:16:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5200 states. [2020-10-14 03:16:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 5628 transitions. [2020-10-14 03:16:55,820 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 5628 transitions. Word has length 1287 [2020-10-14 03:16:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:16:55,822 INFO L479 AbstractCegarLoop]: Abstraction has 5200 states and 5628 transitions. [2020-10-14 03:16:55,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 03:16:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 5628 transitions. [2020-10-14 03:16:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1551 [2020-10-14 03:16:55,860 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:16:55,862 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:16:55,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 03:16:55,862 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:16:55,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:16:55,863 INFO L82 PathProgramCache]: Analyzing trace with hash 796248993, now seen corresponding path program 1 times [2020-10-14 03:16:55,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:16:55,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364515626] [2020-10-14 03:16:55,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:16:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:16:56,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:56,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:16:57,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1582 [2020-10-14 03:17:01,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 03:17:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1317 [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:17:01,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:01,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 03:17:01,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 03:17:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:01,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:17:01,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:01,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:01,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:01,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:01,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:01,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:01,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:01,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:17:01,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:01,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:02,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:17:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:02,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:02,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:02,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:17:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:02,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:02,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:17:02,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:02,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-14 03:17:02,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:02,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:02,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 03:17:02,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:02,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:17:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:02,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:02,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:02,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:17:02,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:02,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-14 03:17:02,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:02,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:02,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:17:02,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 03:17:02,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1427 [2020-10-14 03:17:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:02,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:02,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:02,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:17:02,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:17:02,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:02,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:17:02,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:02,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7311 backedges. 1798 proven. 72 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2020-10-14 03:17:03,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364515626] [2020-10-14 03:17:03,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:03,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:03,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176758295] [2020-10-14 03:17:03,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:03,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:03,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:03,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:03,558 INFO L87 Difference]: Start difference. First operand 5200 states and 5628 transitions. Second operand 7 states. [2020-10-14 03:17:05,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:05,662 INFO L93 Difference]: Finished difference Result 10584 states and 11456 transitions. [2020-10-14 03:17:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 03:17:05,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1550 [2020-10-14 03:17:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:05,679 INFO L225 Difference]: With dead ends: 10584 [2020-10-14 03:17:05,679 INFO L226 Difference]: Without dead ends: 5382 [2020-10-14 03:17:05,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 03:17:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2020-10-14 03:17:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5194. [2020-10-14 03:17:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5194 states. [2020-10-14 03:17:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 5194 states and 5586 transitions. [2020-10-14 03:17:05,775 INFO L78 Accepts]: Start accepts. Automaton has 5194 states and 5586 transitions. Word has length 1550 [2020-10-14 03:17:05,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:05,777 INFO L479 AbstractCegarLoop]: Abstraction has 5194 states and 5586 transitions. [2020-10-14 03:17:05,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5194 states and 5586 transitions. [2020-10-14 03:17:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1588 [2020-10-14 03:17:05,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:05,810 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:05,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 03:17:05,810 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:05,812 INFO L82 PathProgramCache]: Analyzing trace with hash -207134608, now seen corresponding path program 1 times [2020-10-14 03:17:05,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:05,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233504284] [2020-10-14 03:17:05,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1619 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1317 [2020-10-14 03:17:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-14 03:17:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:11,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 03:17:11,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:11,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:17:11,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:17:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:11,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 03:17:11,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:11,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:11,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 03:17:11,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:17:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:11,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:11,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:11,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:17:11,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 03:17:11,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:11,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:12,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:17:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:12,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:12,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:17:12,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-10-14 03:17:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:17:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:12,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:12,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:12,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 03:17:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:12,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:17:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:12,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:12,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:12,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 03:17:12,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 7663 backedges. 735 proven. 12 refuted. 0 times theorem prover too weak. 6916 trivial. 0 not checked. [2020-10-14 03:17:13,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233504284] [2020-10-14 03:17:13,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:13,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 03:17:13,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656636487] [2020-10-14 03:17:13,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 03:17:13,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:13,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 03:17:13,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 03:17:13,527 INFO L87 Difference]: Start difference. First operand 5194 states and 5586 transitions. Second operand 6 states. [2020-10-14 03:17:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:14,665 INFO L93 Difference]: Finished difference Result 10194 states and 10984 transitions. [2020-10-14 03:17:14,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 03:17:14,667 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1587 [2020-10-14 03:17:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:14,679 INFO L225 Difference]: With dead ends: 10194 [2020-10-14 03:17:14,680 INFO L226 Difference]: Without dead ends: 5188 [2020-10-14 03:17:14,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:14,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2020-10-14 03:17:14,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 4632. [2020-10-14 03:17:14,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-10-14 03:17:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4815 transitions. [2020-10-14 03:17:14,767 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4815 transitions. Word has length 1587 [2020-10-14 03:17:14,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:14,770 INFO L479 AbstractCegarLoop]: Abstraction has 4632 states and 4815 transitions. [2020-10-14 03:17:14,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 03:17:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4815 transitions. [2020-10-14 03:17:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1738 [2020-10-14 03:17:14,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:14,808 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:14,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 03:17:14,808 INFO L427 AbstractCegarLoop]: === Iteration 25 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:14,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:14,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1308207752, now seen corresponding path program 1 times [2020-10-14 03:17:14,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:14,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018203195] [2020-10-14 03:17:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:15,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:15,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:19,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1773 [2020-10-14 03:17:20,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:17:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1513 [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 03:17:20,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:20,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:20,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:17:20,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:20,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 03:17:20,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:20,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 03:17:20,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:20,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:20,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:17:20,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:20,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:17:20,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:20,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 03:17:20,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:20,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:17:20,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:17:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:17:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:17:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:20,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:17:20,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:17:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:21,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:21,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:21,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:21,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:17:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1489 [2020-10-14 03:17:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:21,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:21,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:21,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:17:21,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:21,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 03:17:21,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:21,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 03:17:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:21,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2020-10-14 03:17:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:21,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:21,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:21,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:17:21,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:21,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:21,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:21,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:17:21,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:21,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 03:17:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9651 backedges. 2084 proven. 72 refuted. 0 times theorem prover too weak. 7495 trivial. 0 not checked. [2020-10-14 03:17:22,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018203195] [2020-10-14 03:17:22,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:22,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:22,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099660136] [2020-10-14 03:17:22,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:22,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:22,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:22,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:22,826 INFO L87 Difference]: Start difference. First operand 4632 states and 4815 transitions. Second operand 7 states. [2020-10-14 03:17:24,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:24,254 INFO L93 Difference]: Finished difference Result 8894 states and 9257 transitions. [2020-10-14 03:17:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 03:17:24,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1737 [2020-10-14 03:17:24,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:24,263 INFO L225 Difference]: With dead ends: 8894 [2020-10-14 03:17:24,263 INFO L226 Difference]: Without dead ends: 4634 [2020-10-14 03:17:24,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-14 03:17:24,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4634 states. [2020-10-14 03:17:24,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4634 to 4632. [2020-10-14 03:17:24,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-10-14 03:17:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4799 transitions. [2020-10-14 03:17:24,324 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4799 transitions. Word has length 1737 [2020-10-14 03:17:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:24,326 INFO L479 AbstractCegarLoop]: Abstraction has 4632 states and 4799 transitions. [2020-10-14 03:17:24,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4799 transitions. [2020-10-14 03:17:24,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1768 [2020-10-14 03:17:24,352 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:24,352 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:24,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-14 03:17:24,353 INFO L427 AbstractCegarLoop]: === Iteration 26 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:24,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:24,353 INFO L82 PathProgramCache]: Analyzing trace with hash -295380462, now seen corresponding path program 1 times [2020-10-14 03:17:24,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:24,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064836611] [2020-10-14 03:17:24,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:24,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1803 [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:29,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1538 [2020-10-14 03:17:29,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-14 03:17:29,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:29,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:29,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:29,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:29,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:29,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:29,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:29,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:29,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:29,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:29,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:29,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:29,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 03:17:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:30,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:17:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:17:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:17:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:17:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 03:17:30,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 03:17:30,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:30,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-14 03:17:30,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2020-10-14 03:17:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:30,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 03:17:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2020-10-14 03:17:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:30,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:30,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-14 03:17:30,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:30,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9923 backedges. 2129 proven. 72 refuted. 0 times theorem prover too weak. 7722 trivial. 0 not checked. [2020-10-14 03:17:32,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064836611] [2020-10-14 03:17:32,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:32,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:32,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144866260] [2020-10-14 03:17:32,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:32,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:32,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:32,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:32,097 INFO L87 Difference]: Start difference. First operand 4632 states and 4799 transitions. Second operand 7 states. [2020-10-14 03:17:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:33,541 INFO L93 Difference]: Finished difference Result 8894 states and 9225 transitions. [2020-10-14 03:17:33,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 03:17:33,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1767 [2020-10-14 03:17:33,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:33,548 INFO L225 Difference]: With dead ends: 8894 [2020-10-14 03:17:33,548 INFO L226 Difference]: Without dead ends: 4448 [2020-10-14 03:17:33,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:17:33,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2020-10-14 03:17:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 4444. [2020-10-14 03:17:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4444 states. [2020-10-14 03:17:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4444 states to 4444 states and 4587 transitions. [2020-10-14 03:17:33,610 INFO L78 Accepts]: Start accepts. Automaton has 4444 states and 4587 transitions. Word has length 1767 [2020-10-14 03:17:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:33,612 INFO L479 AbstractCegarLoop]: Abstraction has 4444 states and 4587 transitions. [2020-10-14 03:17:33,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 4444 states and 4587 transitions. [2020-10-14 03:17:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1786 [2020-10-14 03:17:33,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 03:17:33,644 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 03:17:33,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-14 03:17:33,644 INFO L427 AbstractCegarLoop]: === Iteration 27 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 03:17:33,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 03:17:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1932213736, now seen corresponding path program 1 times [2020-10-14 03:17:33,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 03:17:33,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066191981] [2020-10-14 03:17:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 03:17:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:34,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:35,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:37,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:38,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:38,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1821 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5107 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1688 [2020-10-14 03:17:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 03:17:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 03:17:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 03:17:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 03:17:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 03:17:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 03:17:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 03:17:39,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 03:17:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 03:17:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 03:17:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 03:17:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 03:17:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 03:17:39,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 03:17:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 03:17:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 03:17:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 03:17:39,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 03:17:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 03:17:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 03:17:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 03:17:39,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 03:17:39,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 03:17:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 03:17:39,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 03:17:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 03:17:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 03:17:39,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-14 03:17:39,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1662 [2020-10-14 03:17:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 03:17:39,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 03:17:39,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 03:17:39,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-14 03:17:39,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 03:17:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10063 backedges. 1684 proven. 2 refuted. 0 times theorem prover too weak. 8377 trivial. 0 not checked. [2020-10-14 03:17:41,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066191981] [2020-10-14 03:17:41,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 03:17:41,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 03:17:41,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780530031] [2020-10-14 03:17:41,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 03:17:41,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 03:17:41,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 03:17:41,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 03:17:41,334 INFO L87 Difference]: Start difference. First operand 4444 states and 4587 transitions. Second operand 7 states. [2020-10-14 03:17:42,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 03:17:42,811 INFO L93 Difference]: Finished difference Result 8332 states and 8617 transitions. [2020-10-14 03:17:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 03:17:42,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1785 [2020-10-14 03:17:42,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 03:17:42,814 INFO L225 Difference]: With dead ends: 8332 [2020-10-14 03:17:42,814 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 03:17:42,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 03:17:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 03:17:42,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 03:17:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 03:17:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 03:17:42,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1785 [2020-10-14 03:17:42,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 03:17:42,826 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 03:17:42,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 03:17:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 03:17:42,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 03:17:42,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-14 03:17:42,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 03:17:43,134 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2020-10-14 03:17:43,408 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 81 [2020-10-14 03:17:43,600 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2020-10-14 03:17:43,968 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 79 [2020-10-14 03:17:44,087 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2020-10-14 03:17:44,670 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 249 [2020-10-14 03:17:45,031 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 249 [2020-10-14 03:17:48,509 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 406 DAG size of output: 134 [2020-10-14 03:17:49,857 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 252 DAG size of output: 100 [2020-10-14 03:17:51,193 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 252 DAG size of output: 100 [2020-10-14 03:17:51,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:51,198 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 03:17:51,198 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:51,199 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 03:17:51,199 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 03:17:51,199 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,201 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,201 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,201 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 03:17:51,201 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 03:17:51,201 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,202 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 03:17:51,203 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 03:17:51,204 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 03:17:51,205 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 03:17:51,206 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,207 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 03:17:51,208 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 03:17:51,209 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,210 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 03:17:51,211 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 03:17:51,211 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 03:17:51,211 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 03:17:51,211 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 03:17:51,211 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 03:17:51,212 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse5 (not (<= 7 |old(~a21~0)|))) (.cse14 (not (<= |old(~a15~0)| 6))) (.cse20 (not (<= (+ |old(~a12~0)| 43) 0))) (.cse28 (= 10 |old(~a21~0)|)) (.cse30 (= ~a21~0 |old(~a21~0)|)) (.cse18 (= ~a15~0 |old(~a15~0)|)) (.cse15 (= ~a24~0 |old(~a24~0)|)) (.cse29 (= ~a15~0 8)) (.cse16 (= ~a12~0 |old(~a12~0)|))) (let ((.cse0 (not (<= 23 |old(~a12~0)|))) (.cse3 (not (<= |old(~a12~0)| 76))) (.cse6 (not (= 7 |old(~a21~0)|))) (.cse8 (and .cse15 .cse29 .cse16 (= 7 ~a21~0))) (.cse22 (not (= 9 |old(~a21~0)|))) (.cse23 (and .cse15 (= ~a21~0 9) .cse16 .cse18)) (.cse10 (not (<= |old(~a12~0)| 11))) (.cse24 (not (<= 0 (+ |old(~a12~0)| 42)))) (.cse11 (not (<= |old(~a21~0)| 6))) (.cse13 (not (<= 518246 |old(~a12~0)|))) (.cse17 (= ~a21~0 ~a15~0)) (.cse21 (= 2 |old(~a24~0)|)) (.cse19 (not (= |old(~a15~0)| |old(~a21~0)|))) (.cse7 (not (<= |old(~a24~0)| 1))) (.cse1 (and .cse15 .cse30 .cse16 .cse18)) (.cse4 (not (= 9 |old(~a15~0)|))) (.cse25 (not .cse28)) (.cse9 (not (= 8 |old(~a15~0)|))) (.cse12 (and .cse15 .cse30 .cse29 .cse16)) (.cse26 (and .cse15 .cse30 (let ((.cse31 (<= ~a15~0 6))) (or (and (<= 7 ~a21~0) .cse31) (and (<= (+ ~a12~0 43) 0) .cse31))) .cse16 .cse18)) (.cse27 (not (<= |old(~a12~0)| 225871))) (.cse2 (and (or .cse14 .cse5) (or .cse14 .cse20)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse7 .cse9 .cse11 .cse12 .cse13) (or .cse14 (and .cse15 .cse16 .cse17 .cse18) .cse19) (or .cse7 .cse1 .cse2 .cse20) (or .cse0 .cse21 .cse9 .cse22 .cse23 .cse3) (or .cse6 .cse21 .cse8 .cse9 .cse10 .cse24) (or .cse25 .cse26 .cse27 .cse2 (not (= 5 |old(~a15~0)|))) (or .cse21 .cse9 .cse22 .cse23 .cse10 .cse24) (or .cse1 (not (= 7 |old(~a15~0)|))) (or .cse21 .cse28 .cse26 .cse2) (or .cse25 .cse26 .cse27 .cse2 .cse10 .cse24) (or .cse14 .cse1 .cse11 .cse13) (or (and .cse15 .cse29 .cse16 .cse17) .cse21 (not (<= |old(~a12~0)| 73282)) .cse9 .cse19) (or .cse7 .cse1 .cse4 .cse27) (or .cse25 (not (<= |old(~a12~0)| 599997)) .cse9 .cse12) (or (not (<= (+ |old(~a12~0)| 45156) 0)) .cse26 .cse27 .cse2)))) [2020-10-14 03:17:51,212 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 03:17:51,212 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 03:17:51,212 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 03:17:51,213 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 03:17:51,214 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 03:17:51,215 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,216 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 03:17:51,217 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 03:17:51,218 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 03:17:51,219 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 03:17:51,220 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 03:17:51,221 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 03:17:51,222 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,223 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 03:17:51,224 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,225 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (= ~a15~0 8) (<= (+ ~a12~0 43) 0) (= 7 ~a21~0)) [2020-10-14 03:17:51,226 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 03:17:51,226 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 03:17:51,226 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (<= |old(~a24~0)| 1)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|)) (not (<= (+ |old(~a12~0)| 43) 0))) [2020-10-14 03:17:51,227 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:51,227 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse23 (<= (+ |old(~a12~0)| 43) 0)) (.cse22 (<= 7 ~a21~0)) (.cse20 (<= (+ ~a12~0 43) 0)) (.cse10 (<= ~a15~0 6))) (let ((.cse14 (<= 23 ~a12~0)) (.cse17 (<= ~a12~0 76)) (.cse13 (= 7 ~a21~0)) (.cse2 (= ~a21~0 10)) (.cse8 (<= 518246 ~a12~0)) (.cse19 (<= ~a24~0 1)) (.cse9 (<= ~a21~0 6)) (.cse21 (= ~a15~0 9)) (.cse11 (= ~a15~0 8)) (.cse18 (= ~a21~0 ~a15~0)) (.cse1 (<= 0 (+ ~a12~0 42))) (.cse3 (<= ~a12~0 11)) (.cse12 (not (= ~a24~0 2))) (.cse15 (= ~a21~0 9)) (.cse16 (<= ~a15~0 |old(~a15~0)|)) (.cse0 (<= ~a12~0 225871)) (.cse4 (or (and .cse22 .cse10) (and .cse20 .cse10))) (.cse5 (or .cse23 (<= 10 |old(~a21~0)|))) (.cse6 (or .cse23 (<= 81 |old(~a12~0)|))) (.cse7 (not (= |old(~a15~0)| |old(~a21~0)|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (not (<= |old(~a24~0)| 1)) (and (= 5 ~a15~0) .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse11 .cse3 .cse12 .cse13) (and (<= ~a12~0 599997) .cse11 .cse2) (and .cse14 .cse12 .cse15 .cse16 .cse17) (and .cse18 .cse10) (and .cse14 .cse4 .cse17) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and .cse19 .cse20 .cse4) (and .cse19 .cse0 .cse21) (and (= ~a24~0 |old(~a24~0)|) .cse11 (= ~a12~0 |old(~a12~0)|) .cse13) (and (not .cse2) .cse12 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse19 .cse11 .cse9) (and .cse22 .cse21) (and .cse11 .cse12 (<= ~a12~0 73282) .cse18) (not .cse23) (and .cse1 .cse3 .cse12 .cse15 .cse16) (and .cse0 .cse4 .cse5 .cse6 .cse7 (<= (+ ~a12~0 45156) 0))))) [2020-10-14 03:17:51,227 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 03:17:51,227 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 03:17:51,228 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse23 (<= (+ |old(~a12~0)| 43) 0)) (.cse22 (<= 7 ~a21~0)) (.cse20 (<= (+ ~a12~0 43) 0)) (.cse10 (<= ~a15~0 6))) (let ((.cse14 (<= 23 ~a12~0)) (.cse17 (<= ~a12~0 76)) (.cse13 (= 7 ~a21~0)) (.cse2 (= ~a21~0 10)) (.cse8 (<= 518246 ~a12~0)) (.cse19 (<= ~a24~0 1)) (.cse9 (<= ~a21~0 6)) (.cse21 (= ~a15~0 9)) (.cse11 (= ~a15~0 8)) (.cse18 (= ~a21~0 ~a15~0)) (.cse1 (<= 0 (+ ~a12~0 42))) (.cse3 (<= ~a12~0 11)) (.cse12 (not (= ~a24~0 2))) (.cse15 (= ~a21~0 9)) (.cse16 (<= ~a15~0 |old(~a15~0)|)) (.cse0 (<= ~a12~0 225871)) (.cse4 (or (and .cse22 .cse10) (and .cse20 .cse10))) (.cse5 (or .cse23 (<= 10 |old(~a21~0)|))) (.cse6 (or .cse23 (<= 81 |old(~a12~0)|))) (.cse7 (not (= |old(~a15~0)| |old(~a21~0)|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (not (<= |old(~a24~0)| 1)) (and (= 5 ~a15~0) .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) (not (= 8 |old(~a15~0)|)) (and .cse1 .cse11 .cse3 .cse12 .cse13) (and (<= ~a12~0 599997) .cse11 .cse2) (and .cse14 .cse12 .cse15 .cse16 .cse17) (and .cse18 .cse10) (and .cse14 .cse4 .cse17) (= 7 ~a15~0) (not (= 7 |old(~a21~0)|)) (and .cse19 .cse20 .cse4) (and .cse19 .cse0 .cse21) (and (= ~a24~0 |old(~a24~0)|) .cse11 (= ~a12~0 |old(~a12~0)|) .cse13) (and (not .cse2) .cse12 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse19 .cse11 .cse9) (and .cse22 .cse21) (and .cse11 .cse12 (<= ~a12~0 73282) .cse18) (not .cse23) (and .cse1 .cse3 .cse12 .cse15 .cse16) (and .cse0 .cse4 .cse5 .cse6 .cse7 (<= (+ ~a12~0 45156) 0))))) [2020-10-14 03:17:51,228 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 03:17:51,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 03:17:51 BoogieIcfgContainer [2020-10-14 03:17:51,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 03:17:51,259 INFO L168 Benchmark]: Toolchain (without parser) took 189697.85 ms. Allocated memory was 146.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 99.7 MB in the beginning and 484.5 MB in the end (delta: -384.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-10-14 03:17:51,259 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 03:17:51,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1031.49 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 99.5 MB in the beginning and 169.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:51,260 INFO L168 Benchmark]: Boogie Preprocessor took 141.54 ms. Allocated memory is still 206.6 MB. Free memory was 169.5 MB in the beginning and 163.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:51,261 INFO L168 Benchmark]: RCFGBuilder took 1780.21 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 163.7 MB in the beginning and 157.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-10-14 03:17:51,261 INFO L168 Benchmark]: TraceAbstraction took 186737.91 ms. Allocated memory was 240.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 157.3 MB in the beginning and 484.5 MB in the end (delta: -327.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-10-14 03:17:51,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1031.49 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 99.5 MB in the beginning and 169.5 MB in the end (delta: -69.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.54 ms. Allocated memory is still 206.6 MB. Free memory was 169.5 MB in the beginning and 163.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1780.21 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 163.7 MB in the beginning and 157.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186737.91 ms. Allocated memory was 240.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 157.3 MB in the beginning and 484.5 MB in the end (delta: -327.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a12 <= 225871 && 0 <= a12 + 42) && a21 == 10) && a12 <= 11) && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6))) && (\old(a12) + 43 <= 0 || 10 <= \old(a21))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12))) && !(\old(a15) == \old(a21))) || !(\old(a24) <= 1)) || ((((((5 == a15 && a12 <= 225871) && a21 == 10) && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6))) && (\old(a12) + 43 <= 0 || 10 <= \old(a21))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12))) && !(\old(a15) == \old(a21)))) || ((518246 <= a12 && a21 <= 6) && a15 <= 6)) || !(8 == \old(a15))) || ((((0 <= a12 + 42 && a15 == 8) && a12 <= 11) && !(a24 == 2)) && 7 == a21)) || ((a12 <= 599997 && a15 == 8) && a21 == 10)) || ((((23 <= a12 && !(a24 == 2)) && a21 == 9) && a15 <= \old(a15)) && a12 <= 76)) || (a21 == a15 && a15 <= 6)) || ((23 <= a12 && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6))) && a12 <= 76)) || 7 == a15) || !(7 == \old(a21))) || ((a24 <= 1 && a12 + 43 <= 0) && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6)))) || ((a24 <= 1 && a12 <= 225871) && a15 == 9)) || (((a24 == \old(a24) && a15 == 8) && a12 == \old(a12)) && 7 == a21)) || (((((!(a21 == 10) && !(a24 == 2)) && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6))) && (\old(a12) + 43 <= 0 || 10 <= \old(a21))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12))) && !(\old(a15) == \old(a21)))) || (((518246 <= a12 && a24 <= 1) && a15 == 8) && a21 <= 6)) || (7 <= a21 && a15 == 9)) || (((a15 == 8 && !(a24 == 2)) && a12 <= 73282) && a21 == a15)) || !(\old(a12) + 43 <= 0)) || ((((0 <= a12 + 42 && a12 <= 11) && !(a24 == 2)) && a21 == 9) && a15 <= \old(a15))) || (((((a12 <= 225871 && ((7 <= a21 && a15 <= 6) || (a12 + 43 <= 0 && a15 <= 6))) && (\old(a12) + 43 <= 0 || 10 <= \old(a21))) && (\old(a12) + 43 <= 0 || 81 <= \old(a12))) && !(\old(a15) == \old(a21))) && a12 + 45156 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 178.2s, OverallIterations: 27, TraceHistogramMax: 15, AutomataDifference: 53.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 16771 SDslu, 983 SDs, 0 SdLazy, 32148 SolverSat, 3212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 741 GetRequests, 496 SyntacticMatches, 6 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5386occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 27 MinimizatonAttempts, 7394 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 436 PreInvPairs, 514 NumberOfFragments, 1574 HoareAnnotationTreeSize, 436 FomulaSimplifications, 6704782 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 126515 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 105.4s InterpolantComputationTime, 21304 NumberOfCodeBlocks, 21304 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 21277 ConstructedInterpolants, 0 QuantifiedInterpolants, 38265036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 75506/76564 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...