/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:44:57,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:44:57,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:44:57,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:44:57,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:44:57,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:44:57,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:44:57,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:44:57,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:44:57,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:44:57,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:44:57,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:44:57,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:44:57,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:44:57,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:44:57,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:44:57,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:44:57,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:44:57,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:44:57,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:44:57,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:44:57,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:44:57,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:44:57,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:44:57,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:44:57,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:44:57,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:44:57,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:44:57,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:44:57,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:44:57,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:44:57,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:44:57,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:44:57,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:44:57,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:44:57,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:44:57,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:44:57,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:44:57,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:44:57,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:44:57,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:44:57,565 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 21:44:57,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:44:57,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:44:57,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:44:57,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:44:57,609 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:44:57,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:44:57,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:44:57,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:44:57,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:44:57,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:44:57,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:44:57,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:44:57,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:44:57,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:44:57,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:44:57,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:44:57,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:44:57,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:44:57,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:44:57,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:44:57,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:44:57,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:44:57,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:44:57,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:44:57,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:44:57,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:44:57,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:44:57,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:44:57,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:44:57,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:44:57,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:44:57,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:44:57,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:44:57,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:44:57,924 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:44:57,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2020-10-14 21:44:57,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a2de1fea/22cafa77deb64726a8686c8f94d5ef0a/FLAG64dda6c8d [2020-10-14 21:44:58,571 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:44:58,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label32.c [2020-10-14 21:44:58,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a2de1fea/22cafa77deb64726a8686c8f94d5ef0a/FLAG64dda6c8d [2020-10-14 21:44:58,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a2de1fea/22cafa77deb64726a8686c8f94d5ef0a [2020-10-14 21:44:58,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:44:58,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:44:58,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:58,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:44:58,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:44:58,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:58" (1/1) ... [2020-10-14 21:44:58,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743cee4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:58, skipping insertion in model container [2020-10-14 21:44:58,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:44:58" (1/1) ... [2020-10-14 21:44:58,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:44:58,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:44:59,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:59,316 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:44:59,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:44:59,686 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:44:59,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59 WrapperNode [2020-10-14 21:44:59,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:44:59,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:44:59,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:44:59,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:44:59,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (1/1) ... [2020-10-14 21:44:59,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:44:59,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:44:59,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:44:59,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:44:59,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (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 21:44:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:44:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:44:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:44:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:44:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:44:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:44:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:45:01,525 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:45:01,526 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:45:01,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:45:01 BoogieIcfgContainer [2020-10-14 21:45:01,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:45:01,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:45:01,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:45:01,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:45:01,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:44:58" (1/3) ... [2020-10-14 21:45:01,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa22fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:45:01, skipping insertion in model container [2020-10-14 21:45:01,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:44:59" (2/3) ... [2020-10-14 21:45:01,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71aa22fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:45:01, skipping insertion in model container [2020-10-14 21:45:01,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:45:01" (3/3) ... [2020-10-14 21:45:01,541 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label32.c [2020-10-14 21:45:01,553 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:45:01,562 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:45:01,577 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:45:01,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:45:01,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:45:01,604 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:45:01,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:45:01,605 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:45:01,605 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:45:01,605 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:45:01,605 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:45:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:45:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-14 21:45:01,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:01,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:01,641 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:01,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1416126934, now seen corresponding path program 1 times [2020-10-14 21:45:01,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:01,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924169950] [2020-10-14 21:45:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:02,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-14 21:45:02,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:02,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-14 21:45:02,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:02,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-14 21:45:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:45:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:02,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:02,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:02,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:02,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:45:02,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:02,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:02,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:02,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:02,503 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 21:45:02,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924169950] [2020-10-14 21:45:02,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:45:02,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:45:02,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978226793] [2020-10-14 21:45:02,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:45:02,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:02,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:45:02,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:45:02,535 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:45:04,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:04,283 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 21:45:04,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:45:04,285 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-14 21:45:04,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:04,303 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:45:04,303 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:45:04,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:45:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:45:04,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:45:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:45:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 21:45:04,387 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 61 [2020-10-14 21:45:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:04,388 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 21:45:04,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:45:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 21:45:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-14 21:45:04,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:04,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:45:04,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:45:04,396 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:04,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:04,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1565672769, now seen corresponding path program 1 times [2020-10-14 21:45:04,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:04,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297840840] [2020-10-14 21:45:04,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:04,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:04,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:05,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:05,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:05,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-14 21:45:05,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-10-14 21:45:05,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:05,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:05,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:45:05,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 21:45:05,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:45:05,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:05,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:05,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:05,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:05,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:05,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:05,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:05,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:05,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:05,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:05,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:45:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:45:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:05,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:45:05,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 53 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:45:05,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297840840] [2020-10-14 21:45:05,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:05,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:45:05,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841958331] [2020-10-14 21:45:05,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:45:05,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:05,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:45:05,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:45:05,683 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 5 states. [2020-10-14 21:45:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:07,302 INFO L93 Difference]: Finished difference Result 934 states and 1411 transitions. [2020-10-14 21:45:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:45:07,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-10-14 21:45:07,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:07,308 INFO L225 Difference]: With dead ends: 934 [2020-10-14 21:45:07,308 INFO L226 Difference]: Without dead ends: 564 [2020-10-14 21:45:07,310 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 21:45:07,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-14 21:45:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 560. [2020-10-14 21:45:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-14 21:45:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2020-10-14 21:45:07,351 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 130 [2020-10-14 21:45:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:07,352 INFO L479 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2020-10-14 21:45:07,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:45:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2020-10-14 21:45:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-14 21:45:07,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:07,366 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, 3, 3, 3, 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] [2020-10-14 21:45:07,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:45:07,366 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:07,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:07,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1695750586, now seen corresponding path program 1 times [2020-10-14 21:45:07,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:07,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1695134921] [2020-10-14 21:45:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:11,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:12,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-14 21:45:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 21:45:12,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:12,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 21:45:12,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:45:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:12,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:12,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:12,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:12,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:12,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:12,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:12,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:12,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:45:12,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:12,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:45:12,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:12,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:12,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 21:45:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-14 21:45:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:12,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:12,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:12,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:12,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:12,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-14 21:45:12,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:12,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:12,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:12,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:45:13,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1695134921] [2020-10-14 21:45:13,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:13,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:13,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021692449] [2020-10-14 21:45:13,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:13,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:13,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:13,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:13,074 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand 7 states. [2020-10-14 21:45:15,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:15,037 INFO L93 Difference]: Finished difference Result 1360 states and 1820 transitions. [2020-10-14 21:45:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:45:15,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-10-14 21:45:15,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:15,049 INFO L225 Difference]: With dead ends: 1360 [2020-10-14 21:45:15,049 INFO L226 Difference]: Without dead ends: 612 [2020-10-14 21:45:15,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:45:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2020-10-14 21:45:15,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 562. [2020-10-14 21:45:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-10-14 21:45:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 702 transitions. [2020-10-14 21:45:15,119 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 702 transitions. Word has length 213 [2020-10-14 21:45:15,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:15,120 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 702 transitions. [2020-10-14 21:45:15,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:15,120 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 702 transitions. [2020-10-14 21:45:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-14 21:45:15,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:15,124 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, 3, 3, 3, 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 21:45:15,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:45:15,125 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:15,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:15,134 INFO L82 PathProgramCache]: Analyzing trace with hash -252544514, now seen corresponding path program 1 times [2020-10-14 21:45:15,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:15,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101974948] [2020-10-14 21:45:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:15,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:15,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:19,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:20,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 21:45:20,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 21:45:20,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:20,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:45:20,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:45:20,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:20,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:20,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:20,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:20,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:20,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:20,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:20,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:20,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:45:20,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 21:45:20,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:45:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:20,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:45:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-14 21:45:20,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:20,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:20,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:20,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:45:20,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:45:20,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101974948] [2020-10-14 21:45:20,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:20,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:20,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241933818] [2020-10-14 21:45:20,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:20,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:20,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:20,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:20,612 INFO L87 Difference]: Start difference. First operand 562 states and 702 transitions. Second operand 7 states. [2020-10-14 21:45:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:22,561 INFO L93 Difference]: Finished difference Result 1694 states and 2135 transitions. [2020-10-14 21:45:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:45:22,562 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-10-14 21:45:22,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:22,567 INFO L225 Difference]: With dead ends: 1694 [2020-10-14 21:45:22,568 INFO L226 Difference]: Without dead ends: 950 [2020-10-14 21:45:22,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:45:22,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-10-14 21:45:22,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 938. [2020-10-14 21:45:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-10-14 21:45:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1036 transitions. [2020-10-14 21:45:22,603 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1036 transitions. Word has length 217 [2020-10-14 21:45:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:22,603 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1036 transitions. [2020-10-14 21:45:22,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1036 transitions. [2020-10-14 21:45:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-14 21:45:22,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:22,608 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:22,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:45:22,608 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:22,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:22,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2095799939, now seen corresponding path program 1 times [2020-10-14 21:45:22,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:22,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398801745] [2020-10-14 21:45:22,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-14 21:45:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:45:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1728 [2020-10-14 21:45:24,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-10-14 21:45:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:24,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 21:45:24,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:24,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:24,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:24,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:24,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-14 21:45:24,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:24,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:24,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:24,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:45:25,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398801745] [2020-10-14 21:45:25,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:45:25,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 21:45:25,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108430704] [2020-10-14 21:45:25,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:25,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:25,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:25,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:25,114 INFO L87 Difference]: Start difference. First operand 938 states and 1036 transitions. Second operand 7 states. [2020-10-14 21:45:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:26,553 INFO L93 Difference]: Finished difference Result 2078 states and 2300 transitions. [2020-10-14 21:45:26,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:26,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-10-14 21:45:26,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:26,559 INFO L225 Difference]: With dead ends: 2078 [2020-10-14 21:45:26,559 INFO L226 Difference]: Without dead ends: 1146 [2020-10-14 21:45:26,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 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 21:45:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-10-14 21:45:26,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1122. [2020-10-14 21:45:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-14 21:45:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1226 transitions. [2020-10-14 21:45:26,599 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1226 transitions. Word has length 240 [2020-10-14 21:45:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:26,600 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1226 transitions. [2020-10-14 21:45:26,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1226 transitions. [2020-10-14 21:45:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-10-14 21:45:26,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:26,606 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:26,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:45:26,607 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:26,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:26,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2017414710, now seen corresponding path program 1 times [2020-10-14 21:45:26,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:26,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770331306] [2020-10-14 21:45:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:26,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:26,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:26,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:31,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:31,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-14 21:45:31,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:45:31,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:31,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:31,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:31,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:31,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:31,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:31,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:31,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:31,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:31,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:31,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:31,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:31,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:45:31,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:31,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:31,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:31,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:31,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:31,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 21:45:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:32,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:32,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:32,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-14 21:45:32,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:32,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:45:32,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770331306] [2020-10-14 21:45:32,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:32,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:45:32,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827271577] [2020-10-14 21:45:32,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:45:32,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:32,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:45:32,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:45:32,718 INFO L87 Difference]: Start difference. First operand 1122 states and 1226 transitions. Second operand 7 states. [2020-10-14 21:45:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:34,366 INFO L93 Difference]: Finished difference Result 2818 states and 3130 transitions. [2020-10-14 21:45:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:45:34,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 349 [2020-10-14 21:45:34,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:34,376 INFO L225 Difference]: With dead ends: 2818 [2020-10-14 21:45:34,376 INFO L226 Difference]: Without dead ends: 1700 [2020-10-14 21:45:34,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:45:34,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-10-14 21:45:34,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1684. [2020-10-14 21:45:34,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-10-14 21:45:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 1827 transitions. [2020-10-14 21:45:34,429 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 1827 transitions. Word has length 349 [2020-10-14 21:45:34,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:34,429 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 1827 transitions. [2020-10-14 21:45:34,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:45:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1827 transitions. [2020-10-14 21:45:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2020-10-14 21:45:34,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:34,440 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:45:34,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:45:34,441 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:34,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1249980270, now seen corresponding path program 1 times [2020-10-14 21:45:34,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:34,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030392209] [2020-10-14 21:45:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:34,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:39,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:39,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 497 [2020-10-14 21:45:39,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 21:45:39,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:39,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:45:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:45:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-14 21:45:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:39,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:39,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 21:45:39,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:39,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:45:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:39,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:39,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:39,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:39,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:39,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-14 21:45:39,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:39,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:39,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:45:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:40,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-14 21:45:40,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:45:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-14 21:45:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:40,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:40,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:40,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:45:40,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:40,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 167 proven. 338 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 21:45:40,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030392209] [2020-10-14 21:45:40,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:40,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:40,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124420244] [2020-10-14 21:45:40,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:40,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:40,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:40,949 INFO L87 Difference]: Start difference. First operand 1684 states and 1827 transitions. Second operand 8 states. [2020-10-14 21:45:42,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:42,474 INFO L93 Difference]: Finished difference Result 3028 states and 3318 transitions. [2020-10-14 21:45:42,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 21:45:42,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 483 [2020-10-14 21:45:42,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:42,483 INFO L225 Difference]: With dead ends: 3028 [2020-10-14 21:45:42,484 INFO L226 Difference]: Without dead ends: 1716 [2020-10-14 21:45:42,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:45:42,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-10-14 21:45:42,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1686. [2020-10-14 21:45:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2020-10-14 21:45:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1826 transitions. [2020-10-14 21:45:42,536 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1826 transitions. Word has length 483 [2020-10-14 21:45:42,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:42,537 INFO L479 AbstractCegarLoop]: Abstraction has 1686 states and 1826 transitions. [2020-10-14 21:45:42,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1826 transitions. [2020-10-14 21:45:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-10-14 21:45:42,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:42,552 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, 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:42,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:45:42,552 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:42,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:42,553 INFO L82 PathProgramCache]: Analyzing trace with hash -85302794, now seen corresponding path program 1 times [2020-10-14 21:45:42,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:42,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262890154] [2020-10-14 21:45:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:42,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:46,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 585 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:45:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-14 21:45:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:47,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:47,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:47,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:47,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:47,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:47,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:47,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:47,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:47,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-14 21:45:47,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:47,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:47,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:48,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:48,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:48,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-14 21:45:48,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:48,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:48,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:45:48,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:45:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:48,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:48,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:48,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:48,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:48,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-14 21:45:48,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:48,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:48,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:48,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:48,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:45:48,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 549 proven. 4 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-10-14 21:45:49,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262890154] [2020-10-14 21:45:49,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:49,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:49,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043015012] [2020-10-14 21:45:49,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:49,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:49,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:49,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:49,070 INFO L87 Difference]: Start difference. First operand 1686 states and 1826 transitions. Second operand 8 states. [2020-10-14 21:45:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:51,056 INFO L93 Difference]: Finished difference Result 4498 states and 5045 transitions. [2020-10-14 21:45:51,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:45:51,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 569 [2020-10-14 21:45:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:51,070 INFO L225 Difference]: With dead ends: 4498 [2020-10-14 21:45:51,071 INFO L226 Difference]: Without dead ends: 3184 [2020-10-14 21:45:51,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:45:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2020-10-14 21:45:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 2988. [2020-10-14 21:45:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2988 states. [2020-10-14 21:45:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3229 transitions. [2020-10-14 21:45:51,145 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3229 transitions. Word has length 569 [2020-10-14 21:45:51,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:51,146 INFO L479 AbstractCegarLoop]: Abstraction has 2988 states and 3229 transitions. [2020-10-14 21:45:51,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3229 transitions. [2020-10-14 21:45:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2020-10-14 21:45:51,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:51,154 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:45:51,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:45:51,154 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:51,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1278060627, now seen corresponding path program 1 times [2020-10-14 21:45:51,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:51,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740465926] [2020-10-14 21:45:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:51,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 720 [2020-10-14 21:45:56,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:45:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 21:45:56,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:45:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:45:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 248 [2020-10-14 21:45:56,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:45:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:45:56,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:45:56,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:45:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:56,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:45:56,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:45:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:45:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:45:56,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:45:56,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:45:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:56,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:45:56,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:45:56,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-14 21:45:56,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:56,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:45:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:45:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:45:56,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:45:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:45:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:56,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:56,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:57,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:45:57,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:57,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:45:57,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:57,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:45:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:45:57,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:45:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:57,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-10-14 21:45:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:45:57,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:45:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:45:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:45:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:45:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:45:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 615 proven. 136 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2020-10-14 21:45:57,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740465926] [2020-10-14 21:45:57,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:45:57,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:45:57,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519089880] [2020-10-14 21:45:57,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:45:57,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:45:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:45:57,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:45:57,587 INFO L87 Difference]: Start difference. First operand 2988 states and 3229 transitions. Second operand 8 states. [2020-10-14 21:45:59,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:45:59,292 INFO L93 Difference]: Finished difference Result 5806 states and 6302 transitions. [2020-10-14 21:45:59,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:45:59,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 702 [2020-10-14 21:45:59,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:45:59,309 INFO L225 Difference]: With dead ends: 5806 [2020-10-14 21:45:59,309 INFO L226 Difference]: Without dead ends: 3190 [2020-10-14 21:45:59,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-14 21:45:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2020-10-14 21:45:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 3174. [2020-10-14 21:45:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2020-10-14 21:45:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 3429 transitions. [2020-10-14 21:45:59,386 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 3429 transitions. Word has length 702 [2020-10-14 21:45:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:45:59,387 INFO L479 AbstractCegarLoop]: Abstraction has 3174 states and 3429 transitions. [2020-10-14 21:45:59,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:45:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 3429 transitions. [2020-10-14 21:45:59,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2020-10-14 21:45:59,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:45:59,396 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, 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, 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, 1, 1, 1, 1, 1] [2020-10-14 21:45:59,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:45:59,396 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:45:59,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:45:59,397 INFO L82 PathProgramCache]: Analyzing trace with hash -319608914, now seen corresponding path program 1 times [2020-10-14 21:45:59,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:45:59,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198153796] [2020-10-14 21:45:59,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:45:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:45:59,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:45:59,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:01,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 753 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3895 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:46:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:03,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:03,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:03,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:46:03,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:46:03,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:46:03,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:03,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:04,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 768 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 21:46:04,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198153796] [2020-10-14 21:46:04,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:04,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:04,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140394053] [2020-10-14 21:46:04,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:04,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:04,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:04,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:04,368 INFO L87 Difference]: Start difference. First operand 3174 states and 3429 transitions. Second operand 7 states. [2020-10-14 21:46:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:05,904 INFO L93 Difference]: Finished difference Result 6922 states and 7611 transitions. [2020-10-14 21:46:05,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:05,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 735 [2020-10-14 21:46:05,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:05,922 INFO L225 Difference]: With dead ends: 6922 [2020-10-14 21:46:05,923 INFO L226 Difference]: Without dead ends: 4120 [2020-10-14 21:46:05,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 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 21:46:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4120 states. [2020-10-14 21:46:06,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4120 to 3924. [2020-10-14 21:46:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3924 states. [2020-10-14 21:46:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 4321 transitions. [2020-10-14 21:46:06,019 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 4321 transitions. Word has length 735 [2020-10-14 21:46:06,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:06,021 INFO L479 AbstractCegarLoop]: Abstraction has 3924 states and 4321 transitions. [2020-10-14 21:46:06,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:06,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 4321 transitions. [2020-10-14 21:46:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2020-10-14 21:46:06,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:06,032 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, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:06,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:46:06,032 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:06,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:06,033 INFO L82 PathProgramCache]: Analyzing trace with hash -235487674, now seen corresponding path program 1 times [2020-10-14 21:46:06,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:06,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617543492] [2020-10-14 21:46:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:06,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:06,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:07,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:07,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 831 [2020-10-14 21:46:07,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:07,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1774 [2020-10-14 21:46:07,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:07,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:46:07,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-14 21:46:07,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:08,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:08,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:08,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:08,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:08,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:08,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:08,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:46:08,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 21:46:08,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:46:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:46:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:46:08,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-10-14 21:46:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:08,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:08,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:08,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:08,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:46:08,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:08,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:46:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 647 proven. 75 refuted. 0 times theorem prover too weak. 1141 trivial. 0 not checked. [2020-10-14 21:46:08,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617543492] [2020-10-14 21:46:08,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:08,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:08,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954809635] [2020-10-14 21:46:08,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:08,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:08,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:08,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:08,710 INFO L87 Difference]: Start difference. First operand 3924 states and 4321 transitions. Second operand 7 states. [2020-10-14 21:46:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:10,204 INFO L93 Difference]: Finished difference Result 8600 states and 9651 transitions. [2020-10-14 21:46:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:10,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 811 [2020-10-14 21:46:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:10,233 INFO L225 Difference]: With dead ends: 8600 [2020-10-14 21:46:10,233 INFO L226 Difference]: Without dead ends: 4858 [2020-10-14 21:46:10,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:46:10,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4858 states. [2020-10-14 21:46:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4858 to 4846. [2020-10-14 21:46:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2020-10-14 21:46:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 5316 transitions. [2020-10-14 21:46:10,352 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 5316 transitions. Word has length 811 [2020-10-14 21:46:10,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:10,353 INFO L479 AbstractCegarLoop]: Abstraction has 4846 states and 5316 transitions. [2020-10-14 21:46:10,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5316 transitions. [2020-10-14 21:46:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2020-10-14 21:46:10,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:10,368 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, 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, 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, 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] [2020-10-14 21:46:10,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:46:10,371 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:10,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:10,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1499517795, now seen corresponding path program 1 times [2020-10-14 21:46:10,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:10,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209164368] [2020-10-14 21:46:10,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:10,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:11,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 930 [2020-10-14 21:46:15,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:15,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:15,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:15,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:15,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:15,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:15,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:46:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:46:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:46:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:16,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:46:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:46:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2020-10-14 21:46:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:16,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:16,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:46:16,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:16,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:16,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2406 backedges. 751 proven. 325 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2020-10-14 21:46:16,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209164368] [2020-10-14 21:46:16,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:16,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:46:16,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673117967] [2020-10-14 21:46:16,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:16,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:16,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:16,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:16,946 INFO L87 Difference]: Start difference. First operand 4846 states and 5316 transitions. Second operand 8 states. [2020-10-14 21:46:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:18,449 INFO L93 Difference]: Finished difference Result 10790 states and 11940 transitions. [2020-10-14 21:46:18,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:46:18,451 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 908 [2020-10-14 21:46:18,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:18,474 INFO L225 Difference]: With dead ends: 10790 [2020-10-14 21:46:18,474 INFO L226 Difference]: Without dead ends: 6316 [2020-10-14 21:46:18,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-14 21:46:18,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6316 states. [2020-10-14 21:46:18,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6316 to 5942. [2020-10-14 21:46:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5942 states. [2020-10-14 21:46:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5942 states to 5942 states and 6522 transitions. [2020-10-14 21:46:18,596 INFO L78 Accepts]: Start accepts. Automaton has 5942 states and 6522 transitions. Word has length 908 [2020-10-14 21:46:18,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:18,597 INFO L479 AbstractCegarLoop]: Abstraction has 5942 states and 6522 transitions. [2020-10-14 21:46:18,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:46:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 5942 states and 6522 transitions. [2020-10-14 21:46:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2020-10-14 21:46:18,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:18,612 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, 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, 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, 2, 2, 2, 2, 2, 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] [2020-10-14 21:46:18,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:46:18,613 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:18,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1903405382, now seen corresponding path program 1 times [2020-10-14 21:46:18,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:18,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709769512] [2020-10-14 21:46:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:18,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:19,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:20,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1013 [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3194 [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:21,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:46:21,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:21,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 263 [2020-10-14 21:46:21,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:22,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:22,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:22,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:22,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:46:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3020 backedges. 1576 proven. 6 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2020-10-14 21:46:23,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709769512] [2020-10-14 21:46:23,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:23,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:46:23,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462677303] [2020-10-14 21:46:23,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:46:23,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:23,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:46:23,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:46:23,161 INFO L87 Difference]: Start difference. First operand 5942 states and 6522 transitions. Second operand 9 states. [2020-10-14 21:46:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:25,659 INFO L93 Difference]: Finished difference Result 12820 states and 14210 transitions. [2020-10-14 21:46:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:46:25,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 989 [2020-10-14 21:46:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:25,694 INFO L225 Difference]: With dead ends: 12820 [2020-10-14 21:46:25,694 INFO L226 Difference]: Without dead ends: 7250 [2020-10-14 21:46:25,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:46:25,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2020-10-14 21:46:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 7232. [2020-10-14 21:46:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7232 states. [2020-10-14 21:46:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 8016 transitions. [2020-10-14 21:46:25,838 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 8016 transitions. Word has length 989 [2020-10-14 21:46:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:25,839 INFO L479 AbstractCegarLoop]: Abstraction has 7232 states and 8016 transitions. [2020-10-14 21:46:25,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:46:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 8016 transitions. [2020-10-14 21:46:25,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2020-10-14 21:46:25,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:25,857 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, 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, 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, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:25,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:46:25,857 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:25,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:25,858 INFO L82 PathProgramCache]: Analyzing trace with hash 594652285, now seen corresponding path program 1 times [2020-10-14 21:46:25,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:25,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1820422892] [2020-10-14 21:46:25,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:26,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:26,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:26,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:30,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1070 [2020-10-14 21:46:31,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 21:46:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 747 [2020-10-14 21:46:31,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:46:31,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:31,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:31,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:31,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:31,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:31,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:31,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:31,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:31,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:46:31,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2020-10-14 21:46:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:31,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 21:46:31,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:31,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:31,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:31,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2020-10-14 21:46:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:31,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:31,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:31,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:46:31,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:31,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3250 backedges. 1190 proven. 78 refuted. 0 times theorem prover too weak. 1982 trivial. 0 not checked. [2020-10-14 21:46:32,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1820422892] [2020-10-14 21:46:32,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:32,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:32,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178849140] [2020-10-14 21:46:32,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:32,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:32,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:32,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:32,401 INFO L87 Difference]: Start difference. First operand 7232 states and 8016 transitions. Second operand 7 states. [2020-10-14 21:46:33,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:33,891 INFO L93 Difference]: Finished difference Result 15380 states and 17255 transitions. [2020-10-14 21:46:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:46:33,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1046 [2020-10-14 21:46:33,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:33,915 INFO L225 Difference]: With dead ends: 15380 [2020-10-14 21:46:33,915 INFO L226 Difference]: Without dead ends: 8336 [2020-10-14 21:46:33,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:33,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8336 states. [2020-10-14 21:46:34,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8336 to 7416. [2020-10-14 21:46:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7416 states. [2020-10-14 21:46:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 8271 transitions. [2020-10-14 21:46:34,055 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 8271 transitions. Word has length 1046 [2020-10-14 21:46:34,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:34,056 INFO L479 AbstractCegarLoop]: Abstraction has 7416 states and 8271 transitions. [2020-10-14 21:46:34,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:34,056 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 8271 transitions. [2020-10-14 21:46:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2020-10-14 21:46:34,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:34,091 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, 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, 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, 6, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:34,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:46:34,092 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:34,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:34,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1284737989, now seen corresponding path program 1 times [2020-10-14 21:46:34,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:34,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63700724] [2020-10-14 21:46:34,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:34,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1166 [2020-10-14 21:46:39,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-10-14 21:46:39,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:46:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:46:39,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-14 21:46:39,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:39,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:39,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:39,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:39,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:39,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:39,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:39,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:39,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:39,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:39,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:39,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:39,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:39,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:39,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:39,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:39,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:39,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:39,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:39,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:39,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:39,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:39,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:46:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:40,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:40,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:40,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-14 21:46:40,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:40,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:40,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:46:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:40,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:46:40,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:40,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:46:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:46:40,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-14 21:46:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:40,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:40,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:46:40,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4077 backedges. 2477 proven. 222 refuted. 0 times theorem prover too weak. 1378 trivial. 0 not checked. [2020-10-14 21:46:42,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63700724] [2020-10-14 21:46:42,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:42,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:46:42,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222526030] [2020-10-14 21:46:42,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:46:42,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:42,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:46:42,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:46:42,316 INFO L87 Difference]: Start difference. First operand 7416 states and 8271 transitions. Second operand 11 states. [2020-10-14 21:46:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:45,216 INFO L93 Difference]: Finished difference Result 15030 states and 16772 transitions. [2020-10-14 21:46:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:46:45,219 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1140 [2020-10-14 21:46:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:45,250 INFO L225 Difference]: With dead ends: 15030 [2020-10-14 21:46:45,250 INFO L226 Difference]: Without dead ends: 7804 [2020-10-14 21:46:45,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:46:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7804 states. [2020-10-14 21:46:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7804 to 7418. [2020-10-14 21:46:45,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7418 states. [2020-10-14 21:46:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7418 states to 7418 states and 8273 transitions. [2020-10-14 21:46:45,389 INFO L78 Accepts]: Start accepts. Automaton has 7418 states and 8273 transitions. Word has length 1140 [2020-10-14 21:46:45,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:45,390 INFO L479 AbstractCegarLoop]: Abstraction has 7418 states and 8273 transitions. [2020-10-14 21:46:45,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:46:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7418 states and 8273 transitions. [2020-10-14 21:46:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2020-10-14 21:46:45,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:45,423 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:45,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:46:45,424 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:45,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:45,425 INFO L82 PathProgramCache]: Analyzing trace with hash -411920887, now seen corresponding path program 1 times [2020-10-14 21:46:45,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:45,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8789659] [2020-10-14 21:46:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:46,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:50,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1428 [2020-10-14 21:46:50,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:46:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:50,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:51,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:51,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:51,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:51,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:51,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 21:46:51,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:51,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:51,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:46:51,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:46:51,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:51,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:46:51,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:46:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:46:51,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:46:51,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:46:51,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6265 backedges. 2497 proven. 6 refuted. 0 times theorem prover too weak. 3762 trivial. 0 not checked. [2020-10-14 21:46:52,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8789659] [2020-10-14 21:46:52,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:52,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:52,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664319006] [2020-10-14 21:46:52,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:52,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:52,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:52,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:52,681 INFO L87 Difference]: Start difference. First operand 7418 states and 8273 transitions. Second operand 7 states. [2020-10-14 21:46:54,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:54,895 INFO L93 Difference]: Finished difference Result 15766 states and 17585 transitions. [2020-10-14 21:46:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:46:54,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1398 [2020-10-14 21:46:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:54,916 INFO L225 Difference]: With dead ends: 15766 [2020-10-14 21:46:54,916 INFO L226 Difference]: Without dead ends: 8354 [2020-10-14 21:46:54,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 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 21:46:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8354 states. [2020-10-14 21:46:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8354 to 7788. [2020-10-14 21:46:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7788 states. [2020-10-14 21:46:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7788 states to 7788 states and 8601 transitions. [2020-10-14 21:46:55,066 INFO L78 Accepts]: Start accepts. Automaton has 7788 states and 8601 transitions. Word has length 1398 [2020-10-14 21:46:55,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:55,068 INFO L479 AbstractCegarLoop]: Abstraction has 7788 states and 8601 transitions. [2020-10-14 21:46:55,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 7788 states and 8601 transitions. [2020-10-14 21:46:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1462 [2020-10-14 21:46:55,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:55,095 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 6, 6, 6, 6, 6, 6, 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, 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] [2020-10-14 21:46:55,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:46:55,095 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:55,096 INFO L82 PathProgramCache]: Analyzing trace with hash -933608858, now seen corresponding path program 1 times [2020-10-14 21:46:55,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:55,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568551333] [2020-10-14 21:46:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:55,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:56,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1491 [2020-10-14 21:46:57,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:57,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1897 [2020-10-14 21:46:57,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:57,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:46:57,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 21:46:57,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:46:57,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:57,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:46:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:46:57,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:46:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:46:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:46:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:46:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:46:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:46:57,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:46:57,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:46:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:46:57,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:46:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:57,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:46:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:46:57,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:57,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:57,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:57,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:57,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:46:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:57,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:58,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:58,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:46:58,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:58,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:58,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:46:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:58,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:58,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:46:58,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:46:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6401 backedges. 613 proven. 11 refuted. 0 times theorem prover too weak. 5777 trivial. 0 not checked. [2020-10-14 21:46:59,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568551333] [2020-10-14 21:46:59,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:59,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:46:59,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515186095] [2020-10-14 21:46:59,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:46:59,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:59,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:46:59,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:46:59,041 INFO L87 Difference]: Start difference. First operand 7788 states and 8601 transitions. Second operand 5 states. [2020-10-14 21:47:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:00,144 INFO L93 Difference]: Finished difference Result 8890 states and 9896 transitions. [2020-10-14 21:47:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:47:00,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1461 [2020-10-14 21:47:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:00,164 INFO L225 Difference]: With dead ends: 8890 [2020-10-14 21:47:00,164 INFO L226 Difference]: Without dead ends: 8888 [2020-10-14 21:47:00,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 21:47:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8888 states. [2020-10-14 21:47:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8888 to 7970. [2020-10-14 21:47:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7970 states. [2020-10-14 21:47:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7970 states to 7970 states and 8868 transitions. [2020-10-14 21:47:00,291 INFO L78 Accepts]: Start accepts. Automaton has 7970 states and 8868 transitions. Word has length 1461 [2020-10-14 21:47:00,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:00,293 INFO L479 AbstractCegarLoop]: Abstraction has 7970 states and 8868 transitions. [2020-10-14 21:47:00,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:47:00,293 INFO L276 IsEmpty]: Start isEmpty. Operand 7970 states and 8868 transitions. [2020-10-14 21:47:00,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1604 [2020-10-14 21:47:00,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:00,330 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, 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, 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, 7, 7, 7, 7, 7, 7, 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, 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 21:47:00,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:47:00,330 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:00,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:00,331 INFO L82 PathProgramCache]: Analyzing trace with hash 336762802, now seen corresponding path program 1 times [2020-10-14 21:47:00,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:00,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023245468] [2020-10-14 21:47:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1635 [2020-10-14 21:47:05,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-14 21:47:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:47:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 21:47:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:05,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:05,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:05,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:05,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:05,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:05,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:05,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:05,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:47:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:47:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:06,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:47:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:06,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:47:06,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:47:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:47:06,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:47:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:47:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:47:06,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:06,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:47:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:47:06,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:47:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:47:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:06,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:47:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 7743 backedges. 1953 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:47:08,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023245468] [2020-10-14 21:47:08,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:08,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:08,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058230982] [2020-10-14 21:47:08,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:08,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:08,056 INFO L87 Difference]: Start difference. First operand 7970 states and 8868 transitions. Second operand 7 states. [2020-10-14 21:47:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:09,559 INFO L93 Difference]: Finished difference Result 16508 states and 18526 transitions. [2020-10-14 21:47:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:09,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1603 [2020-10-14 21:47:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:09,576 INFO L225 Difference]: With dead ends: 16508 [2020-10-14 21:47:09,576 INFO L226 Difference]: Without dead ends: 6144 [2020-10-14 21:47:09,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 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 21:47:09,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6144 states. [2020-10-14 21:47:09,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6144 to 4638. [2020-10-14 21:47:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4638 states. [2020-10-14 21:47:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4638 states and 4905 transitions. [2020-10-14 21:47:09,711 INFO L78 Accepts]: Start accepts. Automaton has 4638 states and 4905 transitions. Word has length 1603 [2020-10-14 21:47:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:09,713 INFO L479 AbstractCegarLoop]: Abstraction has 4638 states and 4905 transitions. [2020-10-14 21:47:09,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 4638 states and 4905 transitions. [2020-10-14 21:47:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1716 [2020-10-14 21:47:09,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:09,776 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 8, 7, 7, 7, 7, 7, 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, 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] [2020-10-14 21:47:09,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:47:09,777 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:09,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash 745459362, now seen corresponding path program 1 times [2020-10-14 21:47:09,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:09,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709619937] [2020-10-14 21:47:09,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:10,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:11,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:12,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:13,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1749 [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1544 [2020-10-14 21:47:15,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-14 21:47:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:47:15,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:47:15,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:47:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:47:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:47:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:15,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:47:15,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:47:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:15,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:47:15,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:47:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:47:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:47:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:15,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:15,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:15,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:15,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:47:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:16,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-14 21:47:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1520 [2020-10-14 21:47:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:16,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:16,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:16,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:47:16,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:16,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-14 21:47:16,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:16,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:16,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:16,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-14 21:47:16,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9068 backedges. 2121 proven. 2 refuted. 0 times theorem prover too weak. 6945 trivial. 0 not checked. [2020-10-14 21:47:17,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709619937] [2020-10-14 21:47:17,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:17,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:17,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624383097] [2020-10-14 21:47:17,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:17,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:17,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:17,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:17,889 INFO L87 Difference]: Start difference. First operand 4638 states and 4905 transitions. Second operand 7 states. [2020-10-14 21:47:19,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:19,493 INFO L93 Difference]: Finished difference Result 9458 states and 10068 transitions. [2020-10-14 21:47:19,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:19,497 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1715 [2020-10-14 21:47:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:19,507 INFO L225 Difference]: With dead ends: 9458 [2020-10-14 21:47:19,507 INFO L226 Difference]: Without dead ends: 4826 [2020-10-14 21:47:19,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:47:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2020-10-14 21:47:19,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4818. [2020-10-14 21:47:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4818 states. [2020-10-14 21:47:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 5088 transitions. [2020-10-14 21:47:19,578 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 5088 transitions. Word has length 1715 [2020-10-14 21:47:19,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:19,580 INFO L479 AbstractCegarLoop]: Abstraction has 4818 states and 5088 transitions. [2020-10-14 21:47:19,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 5088 transitions. [2020-10-14 21:47:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2020-10-14 21:47:19,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:19,618 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-10-14 21:47:19,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:47:19,619 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:19,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:19,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1518559809, now seen corresponding path program 1 times [2020-10-14 21:47:19,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:19,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1879045239] [2020-10-14 21:47:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:20,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:21,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1766 [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2577 [2020-10-14 21:47:22,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1705 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-14 21:47:22,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:22,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:22,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:47:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:47:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:47:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 21:47:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:47:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:47:23,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:47:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:47:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:47:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:47:23,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:47:23,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:47:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:47:23,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:47:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:47:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:23,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:23,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:47:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9170 backedges. 725 proven. 13 refuted. 0 times theorem prover too weak. 8432 trivial. 0 not checked. [2020-10-14 21:47:24,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1879045239] [2020-10-14 21:47:24,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:24,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:47:24,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411895564] [2020-10-14 21:47:24,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:47:24,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:24,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:47:24,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:47:24,689 INFO L87 Difference]: Start difference. First operand 4818 states and 5088 transitions. Second operand 5 states. [2020-10-14 21:47:25,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:25,912 INFO L93 Difference]: Finished difference Result 10174 states and 10785 transitions. [2020-10-14 21:47:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:47:25,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1732 [2020-10-14 21:47:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:25,914 INFO L225 Difference]: With dead ends: 10174 [2020-10-14 21:47:25,914 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:47:25,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 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 21:47:25,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:47:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:47:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:47:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:47:25,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1732 [2020-10-14 21:47:25,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:25,925 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:47:25,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:47:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:47:25,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:47:25,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:47:25,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:47:26,898 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 184 [2020-10-14 21:47:27,267 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 184 [2020-10-14 21:47:29,027 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 317 DAG size of output: 84 [2020-10-14 21:47:29,684 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 55 [2020-10-14 21:47:30,322 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 55 [2020-10-14 21:47:30,327 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:30,327 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 21:47:30,327 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:30,328 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:47:30,328 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:47:30,328 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,328 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,328 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,329 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:47:30,329 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:47:30,329 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:47:30,329 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:47:30,329 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:47:30,330 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:47:30,331 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:47:30,332 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:47:30,333 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,334 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:47:30,335 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:47:30,336 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:47:30,337 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:47:30,338 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:47:30,338 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:47:30,338 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:47:30,338 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:47:30,338 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse6 (= ~a24~0 |old(~a24~0)|)) (.cse9 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a12~0 |old(~a12~0)|)) (.cse8 (= ~a15~0 |old(~a15~0)|))) (let ((.cse1 (not (= 10 |old(~a21~0)|))) (.cse2 (not (<= 7 |old(~a15~0)|))) (.cse3 (not (<= |old(~a15~0)| 7))) (.cse4 (not (<= |old(~a24~0)| 1))) (.cse0 (and .cse6 .cse9 .cse7 .cse8)) (.cse5 (not (<= |old(~a21~0)| 6))) (.cse10 (not (<= (+ |old(~a12~0)| 43) 0)))) (and (or (not (<= 81 |old(~a12~0)|)) .cse0) (or .cse1 .cse0 .cse2) (or .cse1 .cse0 (not (<= |old(~a12~0)| 10)) (not (<= 0 (+ |old(~a12~0)| 41)))) (or .cse3 .cse4 .cse0 .cse5) (or (and .cse6 (= ~a21~0 8) .cse7 .cse8) (not (= 8 |old(~a21~0)|))) (or (not (= 8 |old(~a15~0)|)) (and .cse6 .cse9 (= ~a15~0 8) .cse7) (not (<= |old(~a12~0)| 76))) (or .cse0 (and (or .cse3 (not (<= |old(~a21~0)| 9)) (not (<= |old(~a12~0)| 11))) (or .cse3 .cse2) (not (= 5 |old(~a15~0)|)) (or .cse3 .cse10))) (or .cse4 .cse0 .cse5 .cse10)))) [2020-10-14 21:47:30,338 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:47:30,339 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:47:30,340 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:47:30,341 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:47:30,342 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:47:30,343 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:47:30,344 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,345 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:47:30,346 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:47:30,347 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,348 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a15~0 8) (= 7 ~a21~0) (= (+ ~a12~0 49) 0)) [2020-10-14 21:47:30,349 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:47:30,349 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:47:30,349 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (not (= (+ |old(~a12~0)| 49) 0)) (and (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= 8 |old(~a15~0)|))) [2020-10-14 21:47:30,350 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:30,350 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (<= (+ ~a12~0 43) 0)) (.cse2 (<= ~a24~0 1)) (.cse3 (<= ~a21~0 6)) (.cse4 (= ~a21~0 10)) (.cse0 (<= ~a15~0 7)) (.cse5 (<= 7 ~a15~0))) (or (and .cse0 .cse1) (and (= ~a15~0 8) (<= ~a12~0 76)) (and .cse2 .cse1 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse2 .cse3) (not (= (+ |old(~a12~0)| 49) 0)) (= 5 ~a15~0) (not (= 7 |old(~a21~0)|)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse4) (<= 81 ~a12~0) (and .cse4 .cse5) (and .cse0 (<= ~a12~0 11) (<= ~a21~0 9)) (= ~a21~0 8) (and .cse0 .cse5))) [2020-10-14 21:47:30,350 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:47:30,350 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:47:30,350 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= (+ ~a12~0 43) 0)) (.cse2 (<= ~a24~0 1)) (.cse3 (<= ~a21~0 6)) (.cse4 (= ~a21~0 10)) (.cse0 (<= ~a15~0 7)) (.cse5 (<= 7 ~a15~0))) (or (and .cse0 .cse1) (and (= ~a15~0 8) (<= ~a12~0 76)) (and .cse2 .cse1 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse0 .cse2 .cse3) (not (= (+ |old(~a12~0)| 49) 0)) (= 5 ~a15~0) (not (= 7 |old(~a21~0)|)) (and (<= 0 (+ ~a12~0 41)) (<= ~a12~0 10) .cse4) (<= 81 ~a12~0) (and .cse4 .cse5) (and .cse0 (<= ~a12~0 11) (<= ~a21~0 9)) (= ~a21~0 8) (and .cse0 .cse5))) [2020-10-14 21:47:30,351 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:47:30,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:47:30 BoogieIcfgContainer [2020-10-14 21:47:30,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:47:30,381 INFO L168 Benchmark]: Toolchain (without parser) took 151570.83 ms. Allocated memory was 148.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 102.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,382 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.61 ms. Allocated memory was 148.4 MB in the beginning and 209.2 MB in the end (delta: 60.8 MB). Free memory was 102.2 MB in the beginning and 169.9 MB in the end (delta: -67.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,387 INFO L168 Benchmark]: Boogie Preprocessor took 163.56 ms. Allocated memory is still 209.2 MB. Free memory was 169.9 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,388 INFO L168 Benchmark]: RCFGBuilder took 1679.39 ms. Allocated memory was 209.2 MB in the beginning and 235.4 MB in the end (delta: 26.2 MB). Free memory was 164.9 MB in the beginning and 148.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,389 INFO L168 Benchmark]: TraceAbstraction took 148843.11 ms. Allocated memory was 235.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 146.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:47:30,395 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.6 kB). Peak memory consumption was 419.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 878.61 ms. Allocated memory was 148.4 MB in the beginning and 209.2 MB in the end (delta: 60.8 MB). Free memory was 102.2 MB in the beginning and 169.9 MB in the end (delta: -67.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.56 ms. Allocated memory is still 209.2 MB. Free memory was 169.9 MB in the beginning and 164.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.39 ms. Allocated memory was 209.2 MB in the beginning and 235.4 MB in the end (delta: 26.2 MB). Free memory was 164.9 MB in the beginning and 148.2 MB in the end (delta: 16.7 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 148843.11 ms. Allocated memory was 235.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 146.6 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: (((((((((((((a15 <= 7 && a12 + 43 <= 0) || (a15 == 8 && a12 <= 76)) || ((a24 <= 1 && a12 + 43 <= 0) && a21 <= 6)) || !(8 == \old(a15))) || ((a15 <= 7 && a24 <= 1) && a21 <= 6)) || !(\old(a12) + 49 == 0)) || 5 == a15) || !(7 == \old(a21))) || ((0 <= a12 + 41 && a12 <= 10) && a21 == 10)) || 81 <= a12) || (a21 == 10 && 7 <= a15)) || ((a15 <= 7 && a12 <= 11) && a21 <= 9)) || a21 == 8) || (a15 <= 7 && 7 <= a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 144.3s, OverallIterations: 20, TraceHistogramMax: 14, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 547 SDtfs, 12467 SDslu, 821 SDs, 0 SdLazy, 22393 SolverSat, 2134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 369 SyntacticMatches, 6 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7970occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 5256 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 400 PreInvPairs, 504 NumberOfFragments, 483 HoareAnnotationTreeSize, 400 FomulaSimplifications, 248870 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10386 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 92.5s InterpolantComputationTime, 16502 NumberOfCodeBlocks, 16502 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 16482 ConstructedInterpolants, 0 QuantifiedInterpolants, 34968165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 56925/58152 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...