/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=BIGGEST --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/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 11:03:20,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 11:03:20,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 11:03:20,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 11:03:20,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 11:03:20,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 11:03:20,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 11:03:20,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 11:03:20,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 11:03:20,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 11:03:20,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 11:03:20,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 11:03:20,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 11:03:20,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 11:03:20,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 11:03:20,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 11:03:20,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 11:03:20,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 11:03:20,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 11:03:20,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 11:03:20,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 11:03:20,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 11:03:20,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 11:03:20,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 11:03:20,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 11:03:20,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 11:03:20,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 11:03:20,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 11:03:20,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 11:03:20,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 11:03:20,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 11:03:20,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 11:03:20,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 11:03:20,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 11:03:20,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 11:03:20,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 11:03:20,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 11:03:20,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 11:03:20,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 11:03:20,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 11:03:20,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 11:03:20,510 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 [2020-10-12 11:03:20,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 11:03:20,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 11:03:20,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 11:03:20,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 11:03:20,552 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 11:03:20,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 11:03:20,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 11:03:20,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 11:03:20,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 11:03:20,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 11:03:20,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 11:03:20,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 11:03:20,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 11:03:20,554 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 11:03:20,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 11:03:20,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 11:03:20,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 11:03:20,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 11:03:20,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 11:03:20,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 11:03:20,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 11:03:20,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 11:03:20,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 11:03:20,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 11:03:20,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 11:03:20,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 11:03:20,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 11:03:20,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 11:03:20,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 11:03:20,558 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 11:03:20,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 11:03:20,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 11:03:20,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 11:03:20,906 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 11:03:20,907 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 11:03:20,908 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-12 11:03:20,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091bc6a8c/a35372614c454d1a8a663c90c200582a/FLAG7cfc1be87 [2020-10-12 11:03:21,495 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 11:03:21,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-10-12 11:03:21,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091bc6a8c/a35372614c454d1a8a663c90c200582a/FLAG7cfc1be87 [2020-10-12 11:03:21,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091bc6a8c/a35372614c454d1a8a663c90c200582a [2020-10-12 11:03:21,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 11:03:21,738 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 11:03:21,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 11:03:21,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 11:03:21,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 11:03:21,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:03:21" (1/1) ... [2020-10-12 11:03:21,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f71ec06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:21, skipping insertion in model container [2020-10-12 11:03:21,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:03:21" (1/1) ... [2020-10-12 11:03:21,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 11:03:21,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 11:03:22,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:03:22,271 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 11:03:22,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 11:03:22,501 INFO L208 MainTranslator]: Completed translation [2020-10-12 11:03:22,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22 WrapperNode [2020-10-12 11:03:22,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 11:03:22,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 11:03:22,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 11:03:22,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 11:03:22,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (1/1) ... [2020-10-12 11:03:22,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 11:03:22,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 11:03:22,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 11:03:22,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 11:03:22,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (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 [2020-10-12 11:03:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 11:03:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 11:03:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-12 11:03:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 11:03:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 11:03:23,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 11:03:23,805 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-12 11:03:23,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:03:23 BoogieIcfgContainer [2020-10-12 11:03:23,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 11:03:23,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 11:03:23,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 11:03:23,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 11:03:23,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:03:21" (1/3) ... [2020-10-12 11:03:23,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8df2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:03:23, skipping insertion in model container [2020-10-12 11:03:23,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:03:22" (2/3) ... [2020-10-12 11:03:23,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8df2cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:03:23, skipping insertion in model container [2020-10-12 11:03:23,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:03:23" (3/3) ... [2020-10-12 11:03:23,821 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-10-12 11:03:23,832 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 11:03:23,840 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 11:03:23,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 11:03:23,881 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 11:03:23,881 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 11:03:23,882 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 11:03:23,882 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 11:03:23,882 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 11:03:23,882 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 11:03:23,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 11:03:23,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 11:03:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-12 11:03:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-12 11:03:23,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:23,921 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:03:23,921 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:23,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-10-12 11:03:23,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:23,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461609509] [2020-10-12 11:03:23,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:24,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:24,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:26,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:26,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 11:03:26,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:03:26,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2284 [2020-10-12 11:03:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 11:03:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:03:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 11:03:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 11:03:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:03:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:27,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:27,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:27,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:03:27,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 11:03:27,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:03:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:03:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:03:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:03:27,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461609509] [2020-10-12 11:03:27,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 11:03:27,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 11:03:27,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575207699] [2020-10-12 11:03:27,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 11:03:27,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:03:27,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 11:03:27,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-12 11:03:27,430 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 12 states. [2020-10-12 11:03:28,013 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-12 11:03:28,334 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-12 11:03:28,710 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-10-12 11:03:29,312 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2020-10-12 11:03:29,771 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-10-12 11:03:30,139 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2020-10-12 11:03:31,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:03:31,046 INFO L93 Difference]: Finished difference Result 474 states and 793 transitions. [2020-10-12 11:03:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:03:31,048 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 115 [2020-10-12 11:03:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:03:31,063 INFO L225 Difference]: With dead ends: 474 [2020-10-12 11:03:31,063 INFO L226 Difference]: Without dead ends: 205 [2020-10-12 11:03:31,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:03:31,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-12 11:03:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2020-10-12 11:03:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-12 11:03:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 277 transitions. [2020-10-12 11:03:31,135 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 277 transitions. Word has length 115 [2020-10-12 11:03:31,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:03:31,136 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 277 transitions. [2020-10-12 11:03:31,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 11:03:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2020-10-12 11:03:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-12 11:03:31,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:31,140 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 11:03:31,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 11:03:31,141 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:31,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:31,141 INFO L82 PathProgramCache]: Analyzing trace with hash -698962844, now seen corresponding path program 1 times [2020-10-12 11:03:31,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:31,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361818206] [2020-10-12 11:03:31,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:31,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:31,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:31,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:33,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:33,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 11:03:33,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:03:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2521 [2020-10-12 11:03:33,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:03:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:03:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-12 11:03:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:03:34,402 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-10-12 11:03:34,543 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2020-10-12 11:03:34,687 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-10-12 11:03:34,838 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 35 [2020-10-12 11:03:35,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:03:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:35,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:35,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:35,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:03:35,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:35,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:03:35,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:35,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:03:35,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:35,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:03:35,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:03:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:03:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:35,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:35,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:03:35,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:35,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:03:35,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:03:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:35,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:03:35,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:03:35,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361818206] [2020-10-12 11:03:35,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:03:35,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:03:35,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152204575] [2020-10-12 11:03:35,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:03:35,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:03:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:03:35,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:03:35,233 INFO L87 Difference]: Start difference. First operand 205 states and 277 transitions. Second operand 13 states. [2020-10-12 11:03:35,630 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-12 11:03:36,134 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2020-10-12 11:03:36,922 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2020-10-12 11:03:37,265 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2020-10-12 11:03:37,683 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2020-10-12 11:03:37,916 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2020-10-12 11:03:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:03:38,570 INFO L93 Difference]: Finished difference Result 433 states and 637 transitions. [2020-10-12 11:03:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 11:03:38,571 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 123 [2020-10-12 11:03:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:03:38,579 INFO L225 Difference]: With dead ends: 433 [2020-10-12 11:03:38,579 INFO L226 Difference]: Without dead ends: 294 [2020-10-12 11:03:38,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2020-10-12 11:03:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-12 11:03:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276. [2020-10-12 11:03:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-12 11:03:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 355 transitions. [2020-10-12 11:03:38,631 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 355 transitions. Word has length 123 [2020-10-12 11:03:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:03:38,632 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 355 transitions. [2020-10-12 11:03:38,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:03:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 355 transitions. [2020-10-12 11:03:38,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 11:03:38,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:38,641 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 11:03:38,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 11:03:38,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:38,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:38,642 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2020-10-12 11:03:38,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:38,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989134430] [2020-10-12 11:03:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:38,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:38,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 11:03:38,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:03:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-12 11:03:38,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:03:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 11:03:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-12 11:03:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 11:03:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:03:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:39,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:39,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:39,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:03:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 11:03:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:03:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:03:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:39,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:03:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:39,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:39,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:39,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 11:03:39,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:03:39,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:03:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 11:03:39,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:03:39,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989134430] [2020-10-12 11:03:39,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:03:39,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:03:39,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519692527] [2020-10-12 11:03:39,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:03:39,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:03:39,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:03:39,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:03:39,317 INFO L87 Difference]: Start difference. First operand 276 states and 355 transitions. Second operand 5 states. [2020-10-12 11:03:40,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:03:40,372 INFO L93 Difference]: Finished difference Result 587 states and 809 transitions. [2020-10-12 11:03:40,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:03:40,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-10-12 11:03:40,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:03:40,378 INFO L225 Difference]: With dead ends: 587 [2020-10-12 11:03:40,378 INFO L226 Difference]: Without dead ends: 278 [2020-10-12 11:03:40,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:03:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-12 11:03:40,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 276. [2020-10-12 11:03:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-12 11:03:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 330 transitions. [2020-10-12 11:03:40,398 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 330 transitions. Word has length 126 [2020-10-12 11:03:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:03:40,398 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 330 transitions. [2020-10-12 11:03:40,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:03:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 330 transitions. [2020-10-12 11:03:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 11:03:40,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:40,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:03:40,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 11:03:40,402 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:40,403 INFO L82 PathProgramCache]: Analyzing trace with hash -617033950, now seen corresponding path program 1 times [2020-10-12 11:03:40,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:40,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180937028] [2020-10-12 11:03:40,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:40,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:40,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:40,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:43,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-12 11:03:43,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:03:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2571 [2020-10-12 11:03:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:03:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-12 11:03:43,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:03:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:03:43,533 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-10-12 11:03:43,677 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-10-12 11:03:43,814 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2020-10-12 11:03:43,943 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2020-10-12 11:03:44,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:03:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:44,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:44,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:44,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:03:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:03:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:44,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:44,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:03:44,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:44,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 11:03:44,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:03:44,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:44,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 11:03:44,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:03:44,549 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:03:44,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180937028] [2020-10-12 11:03:44,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:03:44,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:03:44,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540178607] [2020-10-12 11:03:44,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:03:44,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:03:44,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:03:44,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:03:44,552 INFO L87 Difference]: Start difference. First operand 276 states and 330 transitions. Second operand 13 states. [2020-10-12 11:03:45,085 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-12 11:03:45,303 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 11:03:45,893 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2020-10-12 11:03:46,362 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2020-10-12 11:03:46,676 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 106 [2020-10-12 11:03:46,965 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 103 [2020-10-12 11:03:47,360 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2020-10-12 11:03:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:03:47,751 INFO L93 Difference]: Finished difference Result 552 states and 695 transitions. [2020-10-12 11:03:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:03:47,752 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 156 [2020-10-12 11:03:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:03:47,755 INFO L225 Difference]: With dead ends: 552 [2020-10-12 11:03:47,756 INFO L226 Difference]: Without dead ends: 325 [2020-10-12 11:03:47,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:03:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-10-12 11:03:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2020-10-12 11:03:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-12 11:03:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 378 transitions. [2020-10-12 11:03:47,776 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 378 transitions. Word has length 156 [2020-10-12 11:03:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:03:47,777 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 378 transitions. [2020-10-12 11:03:47,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:03:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 378 transitions. [2020-10-12 11:03:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 11:03:47,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:47,781 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:03:47,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 11:03:47,781 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:47,781 INFO L82 PathProgramCache]: Analyzing trace with hash -985011843, now seen corresponding path program 1 times [2020-10-12 11:03:47,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:47,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310766132] [2020-10-12 11:03:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:47,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:47,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:48,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:48,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:52,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:52,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-12 11:03:52,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:03:52,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 11:03:52,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 11:03:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 11:03:52,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 11:03:52,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:03:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:54,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:03:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:03:54,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:03:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:03:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:03:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:03:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:03:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:03:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:03:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 11:03:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:54,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:03:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:54,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:54,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:03:54,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:03:54,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:03:54,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 11:03:54,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:03:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:03:54,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:03:54,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 11:03:54,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:03:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 11:03:54,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310766132] [2020-10-12 11:03:54,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:03:54,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 11:03:54,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189965287] [2020-10-12 11:03:54,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 11:03:54,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:03:54,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 11:03:54,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:03:54,519 INFO L87 Difference]: Start difference. First operand 319 states and 378 transitions. Second operand 20 states. [2020-10-12 11:03:55,147 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-10-12 11:03:55,423 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2020-10-12 11:03:55,703 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-10-12 11:03:56,021 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-10-12 11:03:56,267 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-10-12 11:03:56,548 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-10-12 11:03:56,758 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2020-10-12 11:03:57,073 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2020-10-12 11:03:57,292 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-10-12 11:03:57,573 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2020-10-12 11:03:57,791 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-12 11:03:58,007 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-10-12 11:03:58,456 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-12 11:03:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:03:59,650 INFO L93 Difference]: Finished difference Result 681 states and 843 transitions. [2020-10-12 11:03:59,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 11:03:59,651 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 173 [2020-10-12 11:03:59,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:03:59,654 INFO L225 Difference]: With dead ends: 681 [2020-10-12 11:03:59,654 INFO L226 Difference]: Without dead ends: 428 [2020-10-12 11:03:59,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=557, Invalid=1335, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 11:03:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-10-12 11:03:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 390. [2020-10-12 11:03:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-10-12 11:03:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 458 transitions. [2020-10-12 11:03:59,684 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 458 transitions. Word has length 173 [2020-10-12 11:03:59,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:03:59,685 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 458 transitions. [2020-10-12 11:03:59,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 11:03:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 458 transitions. [2020-10-12 11:03:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-12 11:03:59,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:03:59,690 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, 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] [2020-10-12 11:03:59,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 11:03:59,690 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:03:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:03:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1759758222, now seen corresponding path program 1 times [2020-10-12 11:03:59,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:03:59,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [698664646] [2020-10-12 11:03:59,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:03:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:03:59,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:03:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:01,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:01,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-12 11:04:01,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:04:01,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1584 [2020-10-12 11:04:01,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-12 11:04:01,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 11:04:01,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:01,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:01,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:01,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:01,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 11:04:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:01,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:01,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:01,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:01,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:01,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 11:04:01,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 11:04:01,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:01,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 11:04:01,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 11:04:02,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [698664646] [2020-10-12 11:04:02,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:02,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:02,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544113986] [2020-10-12 11:04:02,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:02,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:02,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:02,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:02,036 INFO L87 Difference]: Start difference. First operand 390 states and 458 transitions. Second operand 13 states. [2020-10-12 11:04:03,030 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-10-12 11:04:03,426 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-10-12 11:04:03,643 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-12 11:04:03,891 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2020-10-12 11:04:04,124 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-10-12 11:04:04,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:04,504 INFO L93 Difference]: Finished difference Result 789 states and 970 transitions. [2020-10-12 11:04:04,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:04:04,505 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 178 [2020-10-12 11:04:04,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:04,508 INFO L225 Difference]: With dead ends: 789 [2020-10-12 11:04:04,509 INFO L226 Difference]: Without dead ends: 445 [2020-10-12 11:04:04,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:04:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-12 11:04:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2020-10-12 11:04:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-10-12 11:04:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 510 transitions. [2020-10-12 11:04:04,530 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 510 transitions. Word has length 178 [2020-10-12 11:04:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:04,530 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 510 transitions. [2020-10-12 11:04:04,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 510 transitions. [2020-10-12 11:04:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 11:04:04,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:04,545 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, 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] [2020-10-12 11:04:04,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 11:04:04,546 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:04,546 INFO L82 PathProgramCache]: Analyzing trace with hash -842551185, now seen corresponding path program 1 times [2020-10-12 11:04:04,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:04,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813785948] [2020-10-12 11:04:04,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:04,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:04,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:04,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:06,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:06,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 11:04:06,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:06,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2004 [2020-10-12 11:04:06,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-12 11:04:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 11:04:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:06,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:07,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:07,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:07,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:07,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:04:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:07,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:07,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:04:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:04:07,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:04:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:07,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:07,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:07,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 11:04:07,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 11:04:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-12 11:04:07,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813785948] [2020-10-12 11:04:07,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:07,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:07,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084381829] [2020-10-12 11:04:07,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:07,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:07,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:07,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:07,331 INFO L87 Difference]: Start difference. First operand 441 states and 510 transitions. Second operand 13 states. [2020-10-12 11:04:08,012 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-12 11:04:08,199 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-12 11:04:08,602 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2020-10-12 11:04:08,902 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2020-10-12 11:04:09,094 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-10-12 11:04:09,389 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2020-10-12 11:04:09,676 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2020-10-12 11:04:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:10,064 INFO L93 Difference]: Finished difference Result 882 states and 1061 transitions. [2020-10-12 11:04:10,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:04:10,067 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2020-10-12 11:04:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:10,070 INFO L225 Difference]: With dead ends: 882 [2020-10-12 11:04:10,070 INFO L226 Difference]: Without dead ends: 507 [2020-10-12 11:04:10,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:04:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-12 11:04:10,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2020-10-12 11:04:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-10-12 11:04:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 580 transitions. [2020-10-12 11:04:10,091 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 580 transitions. Word has length 189 [2020-10-12 11:04:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:10,091 INFO L479 AbstractCegarLoop]: Abstraction has 505 states and 580 transitions. [2020-10-12 11:04:10,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 580 transitions. [2020-10-12 11:04:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-12 11:04:10,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:10,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:04:10,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 11:04:10,095 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash 438188959, now seen corresponding path program 1 times [2020-10-12 11:04:10,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:10,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430949164] [2020-10-12 11:04:10,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:10,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:13,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3121 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:04:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:13,726 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2020-10-12 11:04:13,924 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2020-10-12 11:04:14,158 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 51 [2020-10-12 11:04:14,380 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 47 [2020-10-12 11:04:14,590 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2020-10-12 11:04:14,771 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 40 [2020-10-12 11:04:14,951 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2020-10-12 11:04:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:15,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:15,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:15,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:15,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:15,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:04:15,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:04:15,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:15,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:15,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:15,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:15,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:04:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:15,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:15,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:15,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 11:04:15,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 11:04:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 11:04:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 11:04:15,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430949164] [2020-10-12 11:04:15,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:15,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:15,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693090394] [2020-10-12 11:04:15,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:15,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:15,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:15,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:15,260 INFO L87 Difference]: Start difference. First operand 505 states and 580 transitions. Second operand 13 states. [2020-10-12 11:04:15,851 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-10-12 11:04:16,015 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:04:16,193 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 11:04:16,663 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2020-10-12 11:04:17,154 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 112 [2020-10-12 11:04:17,397 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 62 [2020-10-12 11:04:17,700 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2020-10-12 11:04:18,052 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2020-10-12 11:04:18,462 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 101 [2020-10-12 11:04:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:18,851 INFO L93 Difference]: Finished difference Result 1006 states and 1195 transitions. [2020-10-12 11:04:18,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 11:04:18,852 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2020-10-12 11:04:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:18,856 INFO L225 Difference]: With dead ends: 1006 [2020-10-12 11:04:18,856 INFO L226 Difference]: Without dead ends: 550 [2020-10-12 11:04:18,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:04:18,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-10-12 11:04:18,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 543. [2020-10-12 11:04:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-10-12 11:04:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 625 transitions. [2020-10-12 11:04:18,879 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 625 transitions. Word has length 192 [2020-10-12 11:04:18,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:18,880 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 625 transitions. [2020-10-12 11:04:18,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 625 transitions. [2020-10-12 11:04:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 11:04:18,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:18,884 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, 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] [2020-10-12 11:04:18,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 11:04:18,884 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:18,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1933596421, now seen corresponding path program 1 times [2020-10-12 11:04:18,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:18,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339755562] [2020-10-12 11:04:18,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:19,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:21,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:21,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 11:04:21,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2933 [2020-10-12 11:04:21,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:21,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-12 11:04:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 11:04:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:22,399 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-10-12 11:04:22,544 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 40 [2020-10-12 11:04:22,691 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 38 [2020-10-12 11:04:22,834 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-10-12 11:04:22,984 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2020-10-12 11:04:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:23,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:23,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:23,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:23,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:23,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:23,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 11:04:23,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:04:23,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 11:04:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:23,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:23,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 11:04:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-12 11:04:23,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339755562] [2020-10-12 11:04:23,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:23,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:23,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203951202] [2020-10-12 11:04:23,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:23,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:23,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:23,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:23,390 INFO L87 Difference]: Start difference. First operand 543 states and 625 transitions. Second operand 13 states. [2020-10-12 11:04:24,879 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2020-10-12 11:04:25,294 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2020-10-12 11:04:25,619 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 90 [2020-10-12 11:04:25,950 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2020-10-12 11:04:26,325 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 87 [2020-10-12 11:04:26,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:26,874 INFO L93 Difference]: Finished difference Result 1084 states and 1287 transitions. [2020-10-12 11:04:26,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:04:26,875 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2020-10-12 11:04:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:26,880 INFO L225 Difference]: With dead ends: 1084 [2020-10-12 11:04:26,880 INFO L226 Difference]: Without dead ends: 590 [2020-10-12 11:04:26,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-12 11:04:26,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-12 11:04:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 586. [2020-10-12 11:04:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2020-10-12 11:04:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 675 transitions. [2020-10-12 11:04:26,916 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 675 transitions. Word has length 195 [2020-10-12 11:04:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:26,917 INFO L479 AbstractCegarLoop]: Abstraction has 586 states and 675 transitions. [2020-10-12 11:04:26,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 675 transitions. [2020-10-12 11:04:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-12 11:04:26,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:26,921 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-12 11:04:26,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 11:04:26,922 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:26,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2020988122, now seen corresponding path program 1 times [2020-10-12 11:04:26,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:26,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285520015] [2020-10-12 11:04:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:26,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:27,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:27,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:27,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:30,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 11:04:30,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 11:04:30,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3093 [2020-10-12 11:04:30,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:30,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 11:04:30,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-12 11:04:30,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:30,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:04:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 11:04:30,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:30,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:30,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:04:30,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:04:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 11:04:30,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:04:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:04:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 11:04:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:04:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:30,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:04:30,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:04:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 11:04:30,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:04:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:04:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 11:04:30,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:04:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:30,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:30,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:04:30,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:04:30,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 11:04:30,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:04:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:04:30,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 11:04:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 11:04:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-10-12 11:04:30,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285520015] [2020-10-12 11:04:30,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:30,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-12 11:04:30,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048147985] [2020-10-12 11:04:30,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:04:30,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:04:30,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:04:30,591 INFO L87 Difference]: Start difference. First operand 586 states and 675 transitions. Second operand 7 states. [2020-10-12 11:04:32,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:32,307 INFO L93 Difference]: Finished difference Result 1801 states and 2159 transitions. [2020-10-12 11:04:32,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 11:04:32,308 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-10-12 11:04:32,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:32,318 INFO L225 Difference]: With dead ends: 1801 [2020-10-12 11:04:32,318 INFO L226 Difference]: Without dead ends: 1281 [2020-10-12 11:04:32,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-12 11:04:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2020-10-12 11:04:32,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1243. [2020-10-12 11:04:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-10-12 11:04:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1441 transitions. [2020-10-12 11:04:32,382 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1441 transitions. Word has length 199 [2020-10-12 11:04:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:32,383 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1441 transitions. [2020-10-12 11:04:32,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:04:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1441 transitions. [2020-10-12 11:04:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-12 11:04:32,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:32,387 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-12 11:04:32,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 11:04:32,388 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:32,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:32,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1617396295, now seen corresponding path program 1 times [2020-10-12 11:04:32,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:32,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745303964] [2020-10-12 11:04:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:32,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:34,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:34,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 11:04:34,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 11:04:34,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1820 [2020-10-12 11:04:34,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:34,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 11:04:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 11:04:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:34,756 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2020-10-12 11:04:34,940 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2020-10-12 11:04:35,187 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2020-10-12 11:04:35,423 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2020-10-12 11:04:35,640 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2020-10-12 11:04:35,860 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 41 [2020-10-12 11:04:36,049 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-10-12 11:04:36,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:36,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:36,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:36,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:36,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:36,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:04:36,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:36,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:36,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:36,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:36,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:36,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:04:36,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:36,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:36,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:36,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:36,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:36,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:04:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:36,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:04:36,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:36,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:04:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:36,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:36,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:04:36,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:36,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 11:04:36,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:36,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:36,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:04:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:36,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:36,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:36,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:04:36,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:36,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 11:04:36,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:36,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:04:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-12 11:04:36,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745303964] [2020-10-12 11:04:36,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:36,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:36,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799205637] [2020-10-12 11:04:36,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:36,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:36,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:36,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:36,451 INFO L87 Difference]: Start difference. First operand 1243 states and 1441 transitions. Second operand 13 states. [2020-10-12 11:04:37,221 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-12 11:04:37,397 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 11:04:37,869 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2020-10-12 11:04:38,288 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2020-10-12 11:04:38,729 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2020-10-12 11:04:39,073 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 107 [2020-10-12 11:04:39,613 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 102 [2020-10-12 11:04:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:39,938 INFO L93 Difference]: Finished difference Result 2498 states and 2952 transitions. [2020-10-12 11:04:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:04:39,945 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-10-12 11:04:39,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:39,953 INFO L225 Difference]: With dead ends: 2498 [2020-10-12 11:04:39,953 INFO L226 Difference]: Without dead ends: 1321 [2020-10-12 11:04:39,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:04:39,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-10-12 11:04:40,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1317. [2020-10-12 11:04:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-10-12 11:04:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1524 transitions. [2020-10-12 11:04:40,018 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1524 transitions. Word has length 214 [2020-10-12 11:04:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:40,018 INFO L479 AbstractCegarLoop]: Abstraction has 1317 states and 1524 transitions. [2020-10-12 11:04:40,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1524 transitions. [2020-10-12 11:04:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-12 11:04:40,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:40,024 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:04:40,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 11:04:40,024 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:40,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:40,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1064178212, now seen corresponding path program 1 times [2020-10-12 11:04:40,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:40,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813891704] [2020-10-12 11:04:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:40,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:40,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:40,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:41,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 11:04:41,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:41,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1800 [2020-10-12 11:04:41,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 11:04:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-12 11:04:41,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-12 11:04:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:41,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:41,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:41,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:41,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:41,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:04:41,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:41,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:04:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:41,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:41,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:04:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:04:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:42,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:42,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:42,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:04:42,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:04:42,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 11:04:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:42,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 11:04:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:42,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:04:42,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 11:04:42,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 11:04:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 148 proven. 20 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-12 11:04:42,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813891704] [2020-10-12 11:04:42,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:42,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 11:04:42,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678489296] [2020-10-12 11:04:42,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 11:04:42,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:42,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 11:04:42,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-12 11:04:42,130 INFO L87 Difference]: Start difference. First operand 1317 states and 1524 transitions. Second operand 7 states. [2020-10-12 11:04:43,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:43,798 INFO L93 Difference]: Finished difference Result 3412 states and 4144 transitions. [2020-10-12 11:04:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 11:04:43,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-10-12 11:04:43,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:43,811 INFO L225 Difference]: With dead ends: 3412 [2020-10-12 11:04:43,811 INFO L226 Difference]: Without dead ends: 2161 [2020-10-12 11:04:43,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2020-10-12 11:04:43,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2020-10-12 11:04:43,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 2145. [2020-10-12 11:04:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2020-10-12 11:04:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2585 transitions. [2020-10-12 11:04:43,881 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2585 transitions. Word has length 234 [2020-10-12 11:04:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:43,882 INFO L479 AbstractCegarLoop]: Abstraction has 2145 states and 2585 transitions. [2020-10-12 11:04:43,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 11:04:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2585 transitions. [2020-10-12 11:04:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-12 11:04:43,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:43,889 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:04:43,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 11:04:43,889 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:43,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:43,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2075009122, now seen corresponding path program 1 times [2020-10-12 11:04:43,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:43,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183672009] [2020-10-12 11:04:43,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:43,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:44,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:45,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4012 [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:04:47,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-12 11:04:47,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 11:04:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:48,374 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2020-10-12 11:04:48,550 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-12 11:04:48,849 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2020-10-12 11:04:49,126 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 54 [2020-10-12 11:04:49,377 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2020-10-12 11:04:49,618 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2020-10-12 11:04:49,844 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-10-12 11:04:50,057 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2020-10-12 11:04:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:50,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:04:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:04:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:04:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:04:50,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:50,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 11:04:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:50,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:50,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 11:04:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:50,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 11:04:50,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 11:04:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 120 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-12 11:04:50,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183672009] [2020-10-12 11:04:50,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:50,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:04:50,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645469877] [2020-10-12 11:04:50,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:04:50,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:50,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:04:50,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:04:50,402 INFO L87 Difference]: Start difference. First operand 2145 states and 2585 transitions. Second operand 13 states. [2020-10-12 11:04:51,096 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-12 11:04:51,274 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 11:04:51,661 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2020-10-12 11:04:52,168 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2020-10-12 11:04:52,562 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-10-12 11:04:53,145 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-10-12 11:04:53,687 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 103 [2020-10-12 11:04:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:53,851 INFO L93 Difference]: Finished difference Result 4295 states and 5238 transitions. [2020-10-12 11:04:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:04:53,853 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 243 [2020-10-12 11:04:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:53,863 INFO L225 Difference]: With dead ends: 4295 [2020-10-12 11:04:53,864 INFO L226 Difference]: Without dead ends: 2216 [2020-10-12 11:04:53,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-12 11:04:53,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2020-10-12 11:04:53,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2210. [2020-10-12 11:04:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2210 states. [2020-10-12 11:04:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 2661 transitions. [2020-10-12 11:04:53,932 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 2661 transitions. Word has length 243 [2020-10-12 11:04:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:53,933 INFO L479 AbstractCegarLoop]: Abstraction has 2210 states and 2661 transitions. [2020-10-12 11:04:53,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:04:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2661 transitions. [2020-10-12 11:04:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-12 11:04:53,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:53,941 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:04:53,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 11:04:53,941 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:53,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:53,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1145576861, now seen corresponding path program 1 times [2020-10-12 11:04:53,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:53,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718218394] [2020-10-12 11:04:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:54,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3058 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-10-12 11:04:57,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 11:04:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:04:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:04:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:04:57,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:04:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:04:57,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:04:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:04:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:04:57,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:04:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:04:57,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:04:57,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 11:04:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:04:57,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:04:57,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:04:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:04:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 11:04:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:57,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:04:57,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 11:04:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:04:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 135 proven. 6 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-10-12 11:04:57,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718218394] [2020-10-12 11:04:57,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:04:57,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-12 11:04:57,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174361346] [2020-10-12 11:04:57,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 11:04:57,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:04:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 11:04:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 11:04:57,265 INFO L87 Difference]: Start difference. First operand 2210 states and 2661 transitions. Second operand 5 states. [2020-10-12 11:04:58,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:04:58,282 INFO L93 Difference]: Finished difference Result 5465 states and 6722 transitions. [2020-10-12 11:04:58,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 11:04:58,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2020-10-12 11:04:58,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:04:58,298 INFO L225 Difference]: With dead ends: 5465 [2020-10-12 11:04:58,298 INFO L226 Difference]: Without dead ends: 3319 [2020-10-12 11:04:58,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-12 11:04:58,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2020-10-12 11:04:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 3315. [2020-10-12 11:04:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3315 states. [2020-10-12 11:04:58,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 3954 transitions. [2020-10-12 11:04:58,395 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 3954 transitions. Word has length 259 [2020-10-12 11:04:58,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:04:58,396 INFO L479 AbstractCegarLoop]: Abstraction has 3315 states and 3954 transitions. [2020-10-12 11:04:58,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 11:04:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 3954 transitions. [2020-10-12 11:04:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-12 11:04:58,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:04:58,406 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:04:58,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 11:04:58,406 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:04:58,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:04:58,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1058796534, now seen corresponding path program 1 times [2020-10-12 11:04:58,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:04:58,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698172686] [2020-10-12 11:04:58,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:04:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:04:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:04:58,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:00,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:00,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-12 11:05:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:05:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4289 [2020-10-12 11:05:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:05:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-12 11:05:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 11:05:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:03,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:05:03,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:03,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:05:03,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:05:03,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:05:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:05:03,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:05:03,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:03,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:05:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:03,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:03,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:05:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 11:05:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:03,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 11:05:03,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 140 proven. 5 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-10-12 11:05:03,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698172686] [2020-10-12 11:05:03,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:03,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:05:03,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355712127] [2020-10-12 11:05:03,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:05:03,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:03,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:05:03,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:05:03,456 INFO L87 Difference]: Start difference. First operand 3315 states and 3954 transitions. Second operand 13 states. [2020-10-12 11:05:04,559 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2020-10-12 11:05:04,829 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2020-10-12 11:05:05,211 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-10-12 11:05:05,434 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2020-10-12 11:05:05,793 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2020-10-12 11:05:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:06,032 INFO L93 Difference]: Finished difference Result 6628 states and 7968 transitions. [2020-10-12 11:05:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 11:05:06,032 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 263 [2020-10-12 11:05:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:06,048 INFO L225 Difference]: With dead ends: 6628 [2020-10-12 11:05:06,048 INFO L226 Difference]: Without dead ends: 3379 [2020-10-12 11:05:06,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-10-12 11:05:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2020-10-12 11:05:06,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 3371. [2020-10-12 11:05:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3371 states. [2020-10-12 11:05:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4021 transitions. [2020-10-12 11:05:06,147 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4021 transitions. Word has length 263 [2020-10-12 11:05:06,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:06,148 INFO L479 AbstractCegarLoop]: Abstraction has 3371 states and 4021 transitions. [2020-10-12 11:05:06,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:05:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4021 transitions. [2020-10-12 11:05:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-12 11:05:06,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 11:05:06,158 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 11:05:06,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 11:05:06,159 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 11:05:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 11:05:06,159 INFO L82 PathProgramCache]: Analyzing trace with hash 334476854, now seen corresponding path program 1 times [2020-10-12 11:05:06,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 11:05:06,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223326743] [2020-10-12 11:05:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 11:05:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:06,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:06,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:06,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:11,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-12 11:05:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 11:05:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:11,860 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-10-12 11:05:12,070 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-10-12 11:05:12,331 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2020-10-12 11:05:12,570 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 50 [2020-10-12 11:05:12,811 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-10-12 11:05:13,043 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2020-10-12 11:05:13,259 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2020-10-12 11:05:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 11:05:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 11:05:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 11:05:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 11:05:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 11:05:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 11:05:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 11:05:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 11:05:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 11:05:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 11:05:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 11:05:13,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 11:05:13,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 11:05:13,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 11:05:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 152 proven. 7 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-12 11:05:13,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223326743] [2020-10-12 11:05:13,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 11:05:13,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 11:05:13,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570619715] [2020-10-12 11:05:13,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 11:05:13,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 11:05:13,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 11:05:13,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-12 11:05:13,699 INFO L87 Difference]: Start difference. First operand 3371 states and 4021 transitions. Second operand 13 states. [2020-10-12 11:05:14,454 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-12 11:05:14,637 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 11:05:15,016 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2020-10-12 11:05:15,365 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 114 [2020-10-12 11:05:15,689 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2020-10-12 11:05:16,196 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2020-10-12 11:05:16,679 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2020-10-12 11:05:16,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 11:05:16,842 INFO L93 Difference]: Finished difference Result 6612 states and 7910 transitions. [2020-10-12 11:05:16,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 11:05:16,843 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 277 [2020-10-12 11:05:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 11:05:16,844 INFO L225 Difference]: With dead ends: 6612 [2020-10-12 11:05:16,844 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 11:05:16,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2020-10-12 11:05:16,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 11:05:16,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 11:05:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 11:05:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 11:05:16,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2020-10-12 11:05:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 11:05:16,857 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 11:05:16,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 11:05:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 11:05:16,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 11:05:16,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 11:05:16,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 11:05:19,166 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 303 DAG size of output: 133 [2020-10-12 11:05:19,588 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2020-10-12 11:05:19,788 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-12 11:05:19,792 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:05:19,792 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-12 11:05:19,792 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-10-12 11:05:19,793 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-10-12 11:05:19,794 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-12 11:05:19,794 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-12 11:05:19,794 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-10-12 11:05:19,794 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-12 11:05:19,794 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,795 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-10-12 11:05:19,796 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-10-12 11:05:19,797 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-10-12 11:05:19,798 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,799 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,800 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,800 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,800 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,800 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-10-12 11:05:19,802 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,803 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-10-12 11:05:19,804 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-10-12 11:05:19,805 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-10-12 11:05:19,806 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,807 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,808 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-10-12 11:05:19,808 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-10-12 11:05:19,808 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-10-12 11:05:19,808 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,809 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-10-12 11:05:19,810 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-10-12 11:05:19,811 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-10-12 11:05:19,813 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= |old(~a8~0)| 13))) (.cse1 (not (= |old(~a17~0)| 1))) (.cse6 (= ~a8~0 13)) (.cse7 (= ~a16~0 4)) (.cse2 (= |old(~a21~0)| 1)) (.cse9 (not (= 4 |old(~a16~0)|))) (.cse10 (not (< 0 |old(~a17~0)|))) (.cse14 (and (or (not (<= |calculate_output_#in~input| 5)) (not (<= 5 |calculate_output_#in~input|))) (or (not (<= 4 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 4))) (or (not (<= |calculate_output_#in~input| 2)) (not (<= 2 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 3)) (not (<= 3 |calculate_output_#in~input|))) (or (not (<= |calculate_output_#in~input| 6)) (not (<= 6 |calculate_output_#in~input|))) (or (not (<= 1 |calculate_output_#in~input|)) (not (<= |calculate_output_#in~input| 1))))) (.cse11 (< 12 ~a8~0)) (.cse13 (<= ~a8~0 13)) (.cse15 (not (<= |old(~a8~0)| 13))) (.cse16 (not (<= |old(~a17~0)| 1))) (.cse17 (not (< 12 |old(~a8~0)|))) (.cse8 (not (= ~a12~0 8))) (.cse18 (not (<= |old(~a20~0)| 1))) (.cse19 (not (< 0 |old(~a20~0)|))) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse5 (= ~a20~0 |old(~a20~0)|)) (.cse20 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= ~a8~0 |old(~a8~0)|))) (and (or .cse0 .cse1 (not (= |old(~a20~0)| 1)) (not .cse2) (and .cse3 .cse4 (= ~a21~0 1) .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 (and .cse3 .cse4 .cse11 .cse12 .cse5 (= 5 ~a16~0) .cse13) (not (<= |old(~a21~0)| 0)) .cse14 .cse15 .cse16 .cse17 (not (= 5 |old(~a16~0)|)) .cse8 .cse18 .cse19) (or .cse0 .cse1 (and .cse3 .cse4 .cse12 .cse5 .cse6 .cse7) (not (= 0 |old(~a20~0)|)) .cse2 (and (not (= |calculate_output_#in~input| 3)) (not (= |calculate_output_#in~input| 2)) (not (= |calculate_output_#in~input| 4)) (not (= |calculate_output_#in~input| 1)) (not (= |calculate_output_#in~input| 5)) (not (= |calculate_output_#in~input| 6))) .cse8 .cse9) (or (not (<= 4 |old(~a16~0)|)) .cse10 .cse14 (and .cse3 .cse4 .cse11 .cse12 .cse5 (<= ~a16~0 4) (<= 4 ~a16~0) .cse13) .cse15 (not (<= |old(~a16~0)| 4)) .cse16 .cse17 .cse8 .cse18 .cse19) (or (and .cse3 .cse12 .cse5 .cse20 .cse21 (= ~a17~0 0)) (not (= 0 |old(~a17~0)|))) (or (and .cse4 .cse3 .cse12 .cse5 .cse20 .cse21) (= |old(~a7~0)| 1)))) [2020-10-12 11:05:19,813 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-10-12 11:05:19,813 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,813 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,813 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,813 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-12 11:05:19,814 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,815 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-12 11:05:19,816 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,817 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,818 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,818 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-12 11:05:19,819 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-10-12 11:05:19,820 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-10-12 11:05:19,820 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-10-12 11:05:19,820 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-12 11:05:19,820 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a12~0 8) (= ~a8~0 15) (= ~a20~0 1) (= 5 ~a16~0) (= ~a7~0 0) (= ~a17~0 1)) [2020-10-12 11:05:19,821 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-12 11:05:19,826 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-12 11:05:19,826 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 15) (= 5 ~a16~0) (= ~a7~0 0)) (not (= |old(~a17~0)| 1)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-12 11:05:19,826 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:05:19,827 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (= ~a8~0 13)) (.cse2 (= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse4 (<= 13 ~a8~0)) (.cse5 (<= 1 ~a20~0)) (.cse6 (<= 1 ~a17~0)) (.cse7 (or (and (<= 4 main_~input~0) (<= main_~input~0 4)) (and (<= 2 main_~input~0) (<= main_~input~0 2)) (and (<= 6 main_~input~0) (<= main_~input~0 6)) (and (<= main_~input~0 3) (<= 3 main_~input~0)) (and (<= main_~input~0 1) (<= 1 main_~input~0)) (and (<= main_~input~0 5) (<= 5 main_~input~0)))) (.cse8 (<= ~a17~0 1)) (.cse9 (<= ~a20~0 1)) (.cse10 (<= ~a8~0 13))) (or (and .cse0 .cse1 (= ~a20~0 1) .cse2 .cse3) (and (= ~a20~0 0) (or (= 5 main_~input~0) (= 6 main_~input~0) (= main_~input~0 4) (= 3 main_~input~0) (= main_~input~0 1) (= 2 main_~input~0)) (not .cse0) .cse1 .cse2 .cse3) (not (= |old(~a20~0)| 1)) (not (= |old(~a21~0)| 1)) (= ~a17~0 0) (not (= |old(~a17~0)| 1)) (and .cse4 .cse5 .cse6 .cse7 (<= ~a21~0 0) .cse8 .cse9 (= 5 ~a16~0) .cse10) (and .cse4 .cse5 .cse6 (<= ~a16~0 4) .cse7 (<= 4 ~a16~0) .cse8 .cse9 .cse10) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0)))) [2020-10-12 11:05:19,827 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-10-12 11:05:19,827 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-12 11:05:19,827 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= 13 ~a8~0)) (.cse1 (<= 1 ~a20~0)) (.cse2 (<= 1 ~a17~0)) (.cse4 (<= ~a17~0 1)) (.cse3 (<= ~a20~0 1)) (.cse5 (<= ~a8~0 13))) (or (not (= |old(~a17~0)| 1)) (and (= ~a20~0 0) (not (= ~a21~0 1)) (= ~a8~0 13) (= ~a16~0 4) (= ~a17~0 1)) (and .cse0 .cse1 .cse2 (<= ~a16~0 4) (<= 4 ~a16~0) .cse3 .cse4 .cse5) (not (= |old(~a20~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~a21~0 0) .cse4 .cse3 (= 5 ~a16~0) .cse5) (not (= ~a7~0 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (= ~a17~0 0) (not (= |old(~a7~0)| 0)))) [2020-10-12 11:05:19,827 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-10-12 11:05:19,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:05:19 BoogieIcfgContainer [2020-10-12 11:05:19,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 11:05:19,857 INFO L168 Benchmark]: Toolchain (without parser) took 118119.77 ms. Allocated memory was 138.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 98.4 MB in the beginning and 990.1 MB in the end (delta: -891.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,858 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.80 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.2 MB in the beginning and 168.6 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,859 INFO L168 Benchmark]: Boogie Preprocessor took 100.57 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 163.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,859 INFO L168 Benchmark]: RCFGBuilder took 1208.46 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 178.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,860 INFO L168 Benchmark]: TraceAbstraction took 116042.57 ms. Allocated memory was 233.3 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 177.1 MB in the beginning and 990.1 MB in the end (delta: -813.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-12 11:05:19,862 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.80 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 98.2 MB in the beginning and 168.6 MB in the end (delta: -70.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.57 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 163.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1208.46 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 178.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 116042.57 ms. Allocated memory was 233.3 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 177.1 MB in the beginning and 990.1 MB in the end (delta: -813.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(\old(a17) == 1) || ((((a20 == 0 && !(a21 == 1)) && a8 == 13) && a16 == 4) && a17 == 1)) || (((((((13 <= a8 && 1 <= a20) && 1 <= a17) && a16 <= 4) && 4 <= a16) && a20 <= 1) && a17 <= 1) && a8 <= 13)) || !(\old(a20) == 1)) || (((((((13 <= a8 && 1 <= a20) && 1 <= a17) && a21 <= 0) && a17 <= 1) && a20 <= 1) && 5 == a16) && a8 <= 13)) || !(a7 == 1)) || !(5 == \old(a16))) || !(\old(a21) == 1)) || !(15 == \old(a8))) || !(a12 == 8)) || a17 == 0) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 112.9s, OverallIterations: 16, TraceHistogramMax: 8, AutomataDifference: 45.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 411 SDtfs, 5924 SDslu, 751 SDs, 0 SdLazy, 15756 SolverSat, 1062 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 158 SyntacticMatches, 14 SemanticMatches, 281 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1043 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3371occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 157 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 235 PreInvPairs, 309 NumberOfFragments, 847 HoareAnnotationTreeSize, 235 FomulaSimplifications, 4350 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5091 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 62.8s InterpolantComputationTime, 3136 NumberOfCodeBlocks, 3136 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3120 ConstructedInterpolants, 0 QuantifiedInterpolants, 8359876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 2269/2439 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...