/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=NARROWEST --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/Problem11_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 08:07:23,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 08:07:23,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 08:07:23,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 08:07:23,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 08:07:23,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 08:07:23,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 08:07:23,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 08:07:23,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 08:07:23,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 08:07:23,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 08:07:23,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 08:07:23,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 08:07:23,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 08:07:23,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 08:07:23,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 08:07:23,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 08:07:23,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 08:07:23,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 08:07:23,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 08:07:23,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 08:07:23,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 08:07:23,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 08:07:23,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 08:07:23,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 08:07:23,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 08:07:23,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 08:07:23,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 08:07:23,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 08:07:23,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 08:07:23,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 08:07:23,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 08:07:23,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 08:07:23,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 08:07:23,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 08:07:23,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 08:07:23,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 08:07:23,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 08:07:23,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 08:07:23,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 08:07:23,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 08:07:23,710 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 [2020-10-13 08:07:23,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 08:07:23,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 08:07:23,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 08:07:23,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 08:07:23,760 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 08:07:23,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 08:07:23,760 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 08:07:23,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 08:07:23,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 08:07:23,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 08:07:23,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 08:07:23,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 08:07:23,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 08:07:23,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 08:07:23,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 08:07:23,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 08:07:23,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 08:07:23,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 08:07:23,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 08:07:23,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 08:07:23,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 08:07:23,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 08:07:23,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 08:07:23,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 08:07:23,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 08:07:23,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 08:07:23,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 08:07:23,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 08:07:23,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 08:07:23,766 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 08:07:24,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 08:07:24,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 08:07:24,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 08:07:24,081 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 08:07:24,082 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 08:07:24,083 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2020-10-13 08:07:24,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85baa9a1a/c652e81ceb81457695a6361cfb564933/FLAG0c62f7cb0 [2020-10-13 08:07:24,787 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 08:07:24,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label23.c [2020-10-13 08:07:24,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85baa9a1a/c652e81ceb81457695a6361cfb564933/FLAG0c62f7cb0 [2020-10-13 08:07:24,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/85baa9a1a/c652e81ceb81457695a6361cfb564933 [2020-10-13 08:07:25,000 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 08:07:25,002 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 08:07:25,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:25,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 08:07:25,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 08:07:25,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:24" (1/1) ... [2020-10-13 08:07:25,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d596ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:25, skipping insertion in model container [2020-10-13 08:07:25,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:07:24" (1/1) ... [2020-10-13 08:07:25,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 08:07:25,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 08:07:26,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:26,053 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 08:07:26,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 08:07:26,273 INFO L208 MainTranslator]: Completed translation [2020-10-13 08:07:26,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26 WrapperNode [2020-10-13 08:07:26,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 08:07:26,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 08:07:26,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 08:07:26,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 08:07:26,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (1/1) ... [2020-10-13 08:07:26,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 08:07:26,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 08:07:26,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 08:07:26,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 08:07:26,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (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 [2020-10-13 08:07:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 08:07:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 08:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 08:07:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 08:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 08:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 08:07:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 08:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 08:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 08:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 08:07:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 08:07:28,374 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 08:07:28,374 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 08:07:28,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:28 BoogieIcfgContainer [2020-10-13 08:07:28,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 08:07:28,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 08:07:28,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 08:07:28,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 08:07:28,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:07:24" (1/3) ... [2020-10-13 08:07:28,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292202f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:28, skipping insertion in model container [2020-10-13 08:07:28,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:07:26" (2/3) ... [2020-10-13 08:07:28,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292202f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:07:28, skipping insertion in model container [2020-10-13 08:07:28,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:07:28" (3/3) ... [2020-10-13 08:07:28,391 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label23.c [2020-10-13 08:07:28,402 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 08:07:28,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 08:07:28,427 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 08:07:28,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 08:07:28,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 08:07:28,462 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 08:07:28,462 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 08:07:28,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 08:07:28,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 08:07:28,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 08:07:28,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 08:07:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-10-13 08:07:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-13 08:07:28,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:28,500 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] [2020-10-13 08:07:28,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:28,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:28,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1552063366, now seen corresponding path program 1 times [2020-10-13 08:07:28,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:28,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132573698] [2020-10-13 08:07:28,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:29,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 08:07:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-13 08:07:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 08:07:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 08:07:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-13 08:07:29,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 08:07:29,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:29,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 08:07:29,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 08:07:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:29,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132573698] [2020-10-13 08:07:29,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 08:07:29,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 08:07:29,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721615721] [2020-10-13 08:07:29,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:29,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:29,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:29,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:29,545 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-10-13 08:07:32,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:32,918 INFO L93 Difference]: Finished difference Result 998 states and 1793 transitions. [2020-10-13 08:07:32,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:07:32,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-10-13 08:07:32,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:32,946 INFO L225 Difference]: With dead ends: 998 [2020-10-13 08:07:32,947 INFO L226 Difference]: Without dead ends: 638 [2020-10-13 08:07:32,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 08:07:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-10-13 08:07:33,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 621. [2020-10-13 08:07:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-13 08:07:33,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 950 transitions. [2020-10-13 08:07:33,064 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 950 transitions. Word has length 71 [2020-10-13 08:07:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:33,064 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 950 transitions. [2020-10-13 08:07:33,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 950 transitions. [2020-10-13 08:07:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 08:07:33,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:33,074 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:33,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 08:07:33,074 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:33,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:33,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1937579030, now seen corresponding path program 1 times [2020-10-13 08:07:33,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:33,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423772248] [2020-10-13 08:07:33,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 08:07:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1279 [2020-10-13 08:07:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 08:07:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:07:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:34,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:34,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:34,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:34,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:07:34,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:34,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:34,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 08:07:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 08:07:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 08:07:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:34,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423772248] [2020-10-13 08:07:34,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:34,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:34,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940703627] [2020-10-13 08:07:34,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:34,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:34,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:34,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:34,705 INFO L87 Difference]: Start difference. First operand 621 states and 950 transitions. Second operand 5 states. [2020-10-13 08:07:36,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:36,937 INFO L93 Difference]: Finished difference Result 1814 states and 2826 transitions. [2020-10-13 08:07:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:36,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-10-13 08:07:36,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:36,945 INFO L225 Difference]: With dead ends: 1814 [2020-10-13 08:07:36,945 INFO L226 Difference]: Without dead ends: 1199 [2020-10-13 08:07:36,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:36,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2020-10-13 08:07:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1193. [2020-10-13 08:07:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-13 08:07:37,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1666 transitions. [2020-10-13 08:07:37,008 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1666 transitions. Word has length 141 [2020-10-13 08:07:37,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:37,009 INFO L479 AbstractCegarLoop]: Abstraction has 1193 states and 1666 transitions. [2020-10-13 08:07:37,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1666 transitions. [2020-10-13 08:07:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 08:07:37,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:37,018 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, 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] [2020-10-13 08:07:37,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 08:07:37,018 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:37,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:37,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1983928202, now seen corresponding path program 1 times [2020-10-13 08:07:37,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:37,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843352778] [2020-10-13 08:07:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:37,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:37,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 08:07:38,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:07:38,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1227 [2020-10-13 08:07:38,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 08:07:38,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:07:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:38,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:38,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 08:07:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:38,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:38,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:38,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 08:07:38,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:38,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 08:07:38,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 08:07:38,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 08:07:38,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843352778] [2020-10-13 08:07:38,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:38,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:07:38,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969085253] [2020-10-13 08:07:38,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:07:38,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:38,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:07:38,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:07:38,695 INFO L87 Difference]: Start difference. First operand 1193 states and 1666 transitions. Second operand 5 states. [2020-10-13 08:07:40,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:40,444 INFO L93 Difference]: Finished difference Result 2403 states and 3368 transitions. [2020-10-13 08:07:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:07:40,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-10-13 08:07:40,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:40,454 INFO L225 Difference]: With dead ends: 2403 [2020-10-13 08:07:40,455 INFO L226 Difference]: Without dead ends: 1199 [2020-10-13 08:07:40,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2020-10-13 08:07:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1193. [2020-10-13 08:07:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-13 08:07:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1656 transitions. [2020-10-13 08:07:40,514 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1656 transitions. Word has length 151 [2020-10-13 08:07:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:40,517 INFO L479 AbstractCegarLoop]: Abstraction has 1193 states and 1656 transitions. [2020-10-13 08:07:40,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:07:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1656 transitions. [2020-10-13 08:07:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-13 08:07:40,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:40,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:07:40,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 08:07:40,534 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:40,534 INFO L82 PathProgramCache]: Analyzing trace with hash -961245539, now seen corresponding path program 1 times [2020-10-13 08:07:40,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:40,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686054380] [2020-10-13 08:07:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:40,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:40,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:41,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:45,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-13 08:07:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 08:07:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 08:07:45,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 08:07:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 08:07:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:45,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:45,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:45,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:45,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:07:45,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:45,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:45,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:45,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:45,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:45,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 08:07:45,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:45,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 08:07:45,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 08:07:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:45,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 08:07:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:46,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:46,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:46,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:07:46,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-13 08:07:46,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:07:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 08:07:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:07:47,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686054380] [2020-10-13 08:07:47,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:47,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:07:47,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873036596] [2020-10-13 08:07:47,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:07:47,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:47,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:07:47,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:07:47,150 INFO L87 Difference]: Start difference. First operand 1193 states and 1656 transitions. Second operand 6 states. [2020-10-13 08:07:49,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:07:49,359 INFO L93 Difference]: Finished difference Result 2401 states and 3353 transitions. [2020-10-13 08:07:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:07:49,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 246 [2020-10-13 08:07:49,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:07:49,368 INFO L225 Difference]: With dead ends: 2401 [2020-10-13 08:07:49,368 INFO L226 Difference]: Without dead ends: 1205 [2020-10-13 08:07:49,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 08:07:49,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-13 08:07:49,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1193. [2020-10-13 08:07:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-10-13 08:07:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1650 transitions. [2020-10-13 08:07:49,411 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1650 transitions. Word has length 246 [2020-10-13 08:07:49,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:07:49,412 INFO L479 AbstractCegarLoop]: Abstraction has 1193 states and 1650 transitions. [2020-10-13 08:07:49,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:07:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1650 transitions. [2020-10-13 08:07:49,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-13 08:07:49,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:07:49,417 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:07:49,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 08:07:49,418 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:07:49,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:07:49,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1626564738, now seen corresponding path program 1 times [2020-10-13 08:07:49,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:07:49,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169306684] [2020-10-13 08:07:49,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:07:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:49,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:54,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-13 08:07:54,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:07:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-13 08:07:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:07:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 08:07:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 08:07:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:54,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:07:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:54,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:54,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:07:54,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:07:54,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:07:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:54,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:07:54,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:54,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:07:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:54,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:54,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:54,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 08:07:54,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:07:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 08:07:54,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:07:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:07:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 08:07:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:07:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 08:07:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:07:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:54,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:07:55,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:07:55,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 08:07:55,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 08:07:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-13 08:07:55,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:07:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 08:07:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 08:07:55,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-13 08:07:55,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:07:56,048 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 08:07:56,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169306684] [2020-10-13 08:07:56,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:07:56,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 08:07:56,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821048770] [2020-10-13 08:07:56,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 08:07:56,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:07:56,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 08:07:56,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 08:07:56,051 INFO L87 Difference]: Start difference. First operand 1193 states and 1650 transitions. Second operand 10 states. [2020-10-13 08:07:56,227 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-13 08:07:57,234 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-10-13 08:07:57,549 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 53 [2020-10-13 08:07:58,098 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2020-10-13 08:08:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:00,023 INFO L93 Difference]: Finished difference Result 2564 states and 3528 transitions. [2020-10-13 08:08:00,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 08:08:00,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 251 [2020-10-13 08:08:00,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:00,034 INFO L225 Difference]: With dead ends: 2564 [2020-10-13 08:08:00,034 INFO L226 Difference]: Without dead ends: 1319 [2020-10-13 08:08:00,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-13 08:08:00,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-10-13 08:08:00,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1197. [2020-10-13 08:08:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-13 08:08:00,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1647 transitions. [2020-10-13 08:08:00,083 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1647 transitions. Word has length 251 [2020-10-13 08:08:00,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:00,084 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1647 transitions. [2020-10-13 08:08:00,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 08:08:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1647 transitions. [2020-10-13 08:08:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 08:08:00,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:00,089 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:08:00,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 08:08:00,090 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:00,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:00,090 INFO L82 PathProgramCache]: Analyzing trace with hash -607602463, now seen corresponding path program 1 times [2020-10-13 08:08:00,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:00,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187229964] [2020-10-13 08:08:00,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:00,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:00,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:02,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-13 08:08:05,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:08:05,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 08:08:05,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-13 08:08:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 08:08:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:05,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:05,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:08:05,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:05,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:05,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-13 08:08:05,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:05,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-13 08:08:05,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 08:08:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:05,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187229964] [2020-10-13 08:08:05,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:05,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:05,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167761037] [2020-10-13 08:08:05,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:05,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:05,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:05,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:05,655 INFO L87 Difference]: Start difference. First operand 1197 states and 1647 transitions. Second operand 5 states. [2020-10-13 08:08:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:07,166 INFO L93 Difference]: Finished difference Result 2416 states and 3335 transitions. [2020-10-13 08:08:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:07,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-10-13 08:08:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:07,174 INFO L225 Difference]: With dead ends: 2416 [2020-10-13 08:08:07,174 INFO L226 Difference]: Without dead ends: 1205 [2020-10-13 08:08:07,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:07,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2020-10-13 08:08:07,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1197. [2020-10-13 08:08:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-13 08:08:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1643 transitions. [2020-10-13 08:08:07,213 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1643 transitions. Word has length 260 [2020-10-13 08:08:07,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:07,214 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1643 transitions. [2020-10-13 08:08:07,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1643 transitions. [2020-10-13 08:08:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-13 08:08:07,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:07,220 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:08:07,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 08:08:07,221 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:07,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash -302361623, now seen corresponding path program 1 times [2020-10-13 08:08:07,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:07,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114250355] [2020-10-13 08:08:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:07,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:07,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:08,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:09,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:09,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2561 [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 205 [2020-10-13 08:08:09,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:08:09,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:09,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:09,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:09,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 08:08:09,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:09,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:09,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:09,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:09,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 08:08:09,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:09,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:09,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:10,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:10,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-13 08:08:10,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:10,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-13 08:08:10,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:10,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:10,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:10,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 08:08:10,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 08:08:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:10,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114250355] [2020-10-13 08:08:10,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:10,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:10,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140798306] [2020-10-13 08:08:10,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:10,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:10,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:10,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:10,254 INFO L87 Difference]: Start difference. First operand 1197 states and 1643 transitions. Second operand 5 states. [2020-10-13 08:08:12,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:12,366 INFO L93 Difference]: Finished difference Result 3551 states and 4988 transitions. [2020-10-13 08:08:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:12,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 264 [2020-10-13 08:08:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:12,378 INFO L225 Difference]: With dead ends: 3551 [2020-10-13 08:08:12,379 INFO L226 Difference]: Without dead ends: 2360 [2020-10-13 08:08:12,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:12,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2020-10-13 08:08:12,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2164. [2020-10-13 08:08:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2020-10-13 08:08:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 2951 transitions. [2020-10-13 08:08:12,452 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 2951 transitions. Word has length 264 [2020-10-13 08:08:12,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:12,453 INFO L479 AbstractCegarLoop]: Abstraction has 2164 states and 2951 transitions. [2020-10-13 08:08:12,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:12,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2951 transitions. [2020-10-13 08:08:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-13 08:08:12,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:12,461 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:08:12,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 08:08:12,461 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:12,462 INFO L82 PathProgramCache]: Analyzing trace with hash 26962285, now seen corresponding path program 1 times [2020-10-13 08:08:12,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:12,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408563872] [2020-10-13 08:08:12,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:12,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:13,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:14,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2759 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:08:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:15,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:15,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 08:08:15,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:15,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:15,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:15,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 08:08:15,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 08:08:15,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-13 08:08:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:15,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408563872] [2020-10-13 08:08:15,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:15,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:15,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70342120] [2020-10-13 08:08:15,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:15,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:15,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:15,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:15,624 INFO L87 Difference]: Start difference. First operand 2164 states and 2951 transitions. Second operand 5 states. [2020-10-13 08:08:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:17,783 INFO L93 Difference]: Finished difference Result 5659 states and 8010 transitions. [2020-10-13 08:08:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:17,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 266 [2020-10-13 08:08:17,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:17,802 INFO L225 Difference]: With dead ends: 5659 [2020-10-13 08:08:17,802 INFO L226 Difference]: Without dead ends: 3501 [2020-10-13 08:08:17,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2020-10-13 08:08:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3497. [2020-10-13 08:08:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3497 states. [2020-10-13 08:08:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4780 transitions. [2020-10-13 08:08:17,909 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4780 transitions. Word has length 266 [2020-10-13 08:08:17,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:17,910 INFO L479 AbstractCegarLoop]: Abstraction has 3497 states and 4780 transitions. [2020-10-13 08:08:17,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:17,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4780 transitions. [2020-10-13 08:08:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-13 08:08:17,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:17,921 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:17,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 08:08:17,921 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:17,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1667997529, now seen corresponding path program 1 times [2020-10-13 08:08:17,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:17,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232713150] [2020-10-13 08:08:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:17,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:18,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:18,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:20,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:20,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-10-13 08:08:20,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:20,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2977 [2020-10-13 08:08:20,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 216 [2020-10-13 08:08:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:08:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:21,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:21,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:21,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:21,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:21,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:21,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:08:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:21,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:21,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:21,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:08:21,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:21,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 08:08:21,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:21,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-13 08:08:21,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:21,212 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:08:21,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232713150] [2020-10-13 08:08:21,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:21,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:21,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512863363] [2020-10-13 08:08:21,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:21,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:21,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:21,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:21,215 INFO L87 Difference]: Start difference. First operand 3497 states and 4780 transitions. Second operand 5 states. [2020-10-13 08:08:23,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:23,488 INFO L93 Difference]: Finished difference Result 7953 states and 11059 transitions. [2020-10-13 08:08:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:23,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2020-10-13 08:08:23,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:23,510 INFO L225 Difference]: With dead ends: 7953 [2020-10-13 08:08:23,510 INFO L226 Difference]: Without dead ends: 4462 [2020-10-13 08:08:23,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:23,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2020-10-13 08:08:23,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 4455. [2020-10-13 08:08:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4455 states. [2020-10-13 08:08:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 4455 states and 6095 transitions. [2020-10-13 08:08:23,649 INFO L78 Accepts]: Start accepts. Automaton has 4455 states and 6095 transitions. Word has length 275 [2020-10-13 08:08:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:23,650 INFO L479 AbstractCegarLoop]: Abstraction has 4455 states and 6095 transitions. [2020-10-13 08:08:23,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 4455 states and 6095 transitions. [2020-10-13 08:08:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-13 08:08:23,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:23,662 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:23,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 08:08:23,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:23,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:23,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1182515493, now seen corresponding path program 1 times [2020-10-13 08:08:23,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:23,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069561227] [2020-10-13 08:08:23,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:23,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:23,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:24,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:25,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:25,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-13 08:08:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4535 [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 233 [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-13 08:08:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:28,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:28,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:28,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 08:08:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:28,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:28,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:28,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 08:08:28,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 08:08:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-13 08:08:28,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069561227] [2020-10-13 08:08:28,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:28,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 08:08:28,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600883810] [2020-10-13 08:08:28,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 08:08:28,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:28,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 08:08:28,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:28,738 INFO L87 Difference]: Start difference. First operand 4455 states and 6095 transitions. Second operand 6 states. [2020-10-13 08:08:32,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:32,805 INFO L93 Difference]: Finished difference Result 9003 states and 12424 transitions. [2020-10-13 08:08:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 08:08:32,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 294 [2020-10-13 08:08:32,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:32,828 INFO L225 Difference]: With dead ends: 9003 [2020-10-13 08:08:32,828 INFO L226 Difference]: Without dead ends: 4446 [2020-10-13 08:08:32,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-13 08:08:32,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2020-10-13 08:08:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 4438. [2020-10-13 08:08:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4438 states. [2020-10-13 08:08:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 6020 transitions. [2020-10-13 08:08:32,949 INFO L78 Accepts]: Start accepts. Automaton has 4438 states and 6020 transitions. Word has length 294 [2020-10-13 08:08:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:32,950 INFO L479 AbstractCegarLoop]: Abstraction has 4438 states and 6020 transitions. [2020-10-13 08:08:32,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 08:08:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4438 states and 6020 transitions. [2020-10-13 08:08:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-13 08:08:32,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:32,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:08:32,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 08:08:32,966 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:32,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:32,966 INFO L82 PathProgramCache]: Analyzing trace with hash 187768432, now seen corresponding path program 1 times [2020-10-13 08:08:32,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:32,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [908864937] [2020-10-13 08:08:32,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:33,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:33,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:34,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2382 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-13 08:08:35,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 08:08:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:35,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:35,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:35,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:35,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 08:08:35,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:35,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-13 08:08:35,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:35,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-13 08:08:35,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:35,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [908864937] [2020-10-13 08:08:35,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:35,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:35,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773509937] [2020-10-13 08:08:35,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:35,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:35,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:35,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:35,776 INFO L87 Difference]: Start difference. First operand 4438 states and 6020 transitions. Second operand 5 states. [2020-10-13 08:08:37,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:37,627 INFO L93 Difference]: Finished difference Result 8891 states and 12108 transitions. [2020-10-13 08:08:37,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:37,633 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-10-13 08:08:37,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:37,653 INFO L225 Difference]: With dead ends: 8891 [2020-10-13 08:08:37,653 INFO L226 Difference]: Without dead ends: 4442 [2020-10-13 08:08:37,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4442 states. [2020-10-13 08:08:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4442 to 4438. [2020-10-13 08:08:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4438 states. [2020-10-13 08:08:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 6005 transitions. [2020-10-13 08:08:37,766 INFO L78 Accepts]: Start accepts. Automaton has 4438 states and 6005 transitions. Word has length 298 [2020-10-13 08:08:37,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:37,766 INFO L479 AbstractCegarLoop]: Abstraction has 4438 states and 6005 transitions. [2020-10-13 08:08:37,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4438 states and 6005 transitions. [2020-10-13 08:08:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-10-13 08:08:37,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:37,777 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-13 08:08:37,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 08:08:37,778 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:37,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:37,778 INFO L82 PathProgramCache]: Analyzing trace with hash 47059559, now seen corresponding path program 1 times [2020-10-13 08:08:37,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:37,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458385055] [2020-10-13 08:08:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:37,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-13 08:08:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 08:08:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2887 [2020-10-13 08:08:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-10-13 08:08:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 08:08:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:40,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:40,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:40,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:40,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:40,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 08:08:40,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:40,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:40,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:40,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:40,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 08:08:40,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 08:08:40,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:40,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:40,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 08:08:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:40,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:41,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 08:08:41,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-13 08:08:41,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-13 08:08:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-13 08:08:41,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458385055] [2020-10-13 08:08:41,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:41,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:41,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119069008] [2020-10-13 08:08:41,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:41,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:41,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:41,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:41,276 INFO L87 Difference]: Start difference. First operand 4438 states and 6005 transitions. Second operand 5 states. [2020-10-13 08:08:44,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:44,349 INFO L93 Difference]: Finished difference Result 10021 states and 13783 transitions. [2020-10-13 08:08:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:44,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-10-13 08:08:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:44,389 INFO L225 Difference]: With dead ends: 10021 [2020-10-13 08:08:44,389 INFO L226 Difference]: Without dead ends: 5589 [2020-10-13 08:08:44,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2020-10-13 08:08:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5394. [2020-10-13 08:08:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5394 states. [2020-10-13 08:08:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 7351 transitions. [2020-10-13 08:08:44,532 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 7351 transitions. Word has length 307 [2020-10-13 08:08:44,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:44,533 INFO L479 AbstractCegarLoop]: Abstraction has 5394 states and 7351 transitions. [2020-10-13 08:08:44,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 7351 transitions. [2020-10-13 08:08:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-13 08:08:44,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 08:08:44,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 08:08:44,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 08:08:44,551 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 08:08:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 08:08:44,552 INFO L82 PathProgramCache]: Analyzing trace with hash 40097807, now seen corresponding path program 1 times [2020-10-13 08:08:44,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 08:08:44,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893459] [2020-10-13 08:08:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 08:08:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:44,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:44,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:49,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:49,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-10-13 08:08:49,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 08:08:49,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4411 [2020-10-13 08:08:49,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:49,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 08:08:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-10-13 08:08:49,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 08:08:49,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 08:08:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 08:08:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 08:08:49,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 08:08:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 08:08:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:49,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:49,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 08:08:49,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 08:08:49,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 08:08:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:49,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 08:08:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:49,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 08:08:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 08:08:49,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 08:08:49,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 08:08:49,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 08:08:49,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 08:08:49,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 08:08:49,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 08:08:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 08:08:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 08:08:49,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 08:08:49,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 08:08:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 129 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-13 08:08:49,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893459] [2020-10-13 08:08:49,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 08:08:49,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-13 08:08:49,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266187770] [2020-10-13 08:08:49,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 08:08:49,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 08:08:49,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 08:08:49,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 08:08:49,375 INFO L87 Difference]: Start difference. First operand 5394 states and 7351 transitions. Second operand 5 states. [2020-10-13 08:08:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 08:08:51,105 INFO L93 Difference]: Finished difference Result 10608 states and 14426 transitions. [2020-10-13 08:08:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 08:08:51,108 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 311 [2020-10-13 08:08:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 08:08:51,110 INFO L225 Difference]: With dead ends: 10608 [2020-10-13 08:08:51,110 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 08:08:51,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 08:08:51,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 08:08:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 08:08:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 08:08:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 08:08:51,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 311 [2020-10-13 08:08:51,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 08:08:51,134 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 08:08:51,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 08:08:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 08:08:51,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 08:08:51,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 08:08:51,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 08:08:52,574 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2020-10-13 08:08:53,095 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 197 [2020-10-13 08:08:54,187 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 59 [2020-10-13 08:08:54,900 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2020-10-13 08:08:55,565 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 45 [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,570 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,571 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-13 08:08:55,572 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,573 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,574 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,575 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,576 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,577 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-10-13 08:08:55,578 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15))) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|))) (.cse2 (not (= ~a3~0 1)))) (and (or (not (<= 143 |old(~a29~0)|)) .cse0 .cse1 .cse2) (or (not (<= (+ |old(~a29~0)| 7786) 0)) (not (<= 165 |old(~a23~0)|)) .cse0 (not (<= |old(~a23~0)| 247)) .cse1 .cse2) (or .cse0 (not (<= (+ |old(~a23~0)| 244) 0)) .cse1 (not (<= 141 |old(~a29~0)|)) .cse2) (or (not (<= 306 |old(~a23~0)|)) .cse0 .cse1 .cse2) (or .cse0 (= 13 |old(~a25~0)|) .cse1 .cse2) (or .cse0 (and (not (< 1 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) .cse1 .cse2))) [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-13 08:08:55,579 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,580 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,581 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,582 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-13 08:08:55,583 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,584 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,585 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,586 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,587 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,588 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-13 08:08:55,589 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,590 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,591 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 306 ~a23~0) (= ~a8~0 15) (= ~a3~0 1)) [2020-10-13 08:08:55,592 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 08:08:55,592 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 08:08:55,592 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (not (<= 306 |old(~a23~0)|)) (not (= ~a8~0 15)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)) (not (= ~a3~0 1))) [2020-10-13 08:08:55,593 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:08:55,593 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (<= 306 ~a23~0) (not (<= 306 |old(~a23~0)|)) (not (= ~a8~0 15)) (< 1 ~a4~0) (and (<= (+ ~a23~0 244) 0) (<= 141 ~a29~0)) (and (<= 165 ~a23~0) (<= ~a23~0 247) (<= (+ ~a29~0 7786) 0)) (<= 143 ~a29~0) (not (= ~a25~0 13)) (not (= ~a3~0 1))) [2020-10-13 08:08:55,593 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-10-13 08:08:55,593 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-10-13 08:08:55,593 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (<= 306 ~a23~0) (not (<= 306 |old(~a23~0)|)) (not (= ~a8~0 15)) (< 1 ~a4~0) (and (<= (+ ~a23~0 244) 0) (<= 141 ~a29~0)) (and (<= 165 ~a23~0) (<= ~a23~0 247) (<= (+ ~a29~0 7786) 0)) (<= 143 ~a29~0) (not (= ~a25~0 13)) (not (= ~a3~0 1))) [2020-10-13 08:08:55,593 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-10-13 08:08:55,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:08:55 BoogieIcfgContainer [2020-10-13 08:08:55,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 08:08:55,617 INFO L168 Benchmark]: Toolchain (without parser) took 90616.20 ms. Allocated memory was 147.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 100.8 MB in the beginning and 614.7 MB in the end (delta: -513.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,618 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.85 ms. Allocated memory was 147.8 MB in the beginning and 211.8 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 164.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,619 INFO L168 Benchmark]: Boogie Preprocessor took 171.61 ms. Allocated memory is still 211.8 MB. Free memory was 164.6 MB in the beginning and 156.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,620 INFO L168 Benchmark]: RCFGBuilder took 1931.93 ms. Allocated memory was 211.8 MB in the beginning and 239.6 MB in the end (delta: 27.8 MB). Free memory was 156.6 MB in the beginning and 94.7 MB in the end (delta: 61.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,621 INFO L168 Benchmark]: TraceAbstraction took 87232.72 ms. Allocated memory was 239.6 MB in the beginning and 1.2 GB in the end (delta: 949.0 MB). Free memory was 94.7 MB in the beginning and 614.7 MB in the end (delta: -520.0 MB). Peak memory consumption was 978.0 MB. Max. memory is 7.1 GB. [2020-10-13 08:08:55,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1271.85 ms. Allocated memory was 147.8 MB in the beginning and 211.8 MB in the end (delta: 64.0 MB). Free memory was 100.4 MB in the beginning and 164.6 MB in the end (delta: -64.2 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.61 ms. Allocated memory is still 211.8 MB. Free memory was 164.6 MB in the beginning and 156.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1931.93 ms. Allocated memory was 211.8 MB in the beginning and 239.6 MB in the end (delta: 27.8 MB). Free memory was 156.6 MB in the beginning and 94.7 MB in the end (delta: 61.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 87232.72 ms. Allocated memory was 239.6 MB in the beginning and 1.2 GB in the end (delta: 949.0 MB). Free memory was 94.7 MB in the beginning and 614.7 MB in the end (delta: -520.0 MB). Peak memory consumption was 978.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 1034]: Loop Invariant Derived loop invariant: (((((((((!(\old(a25) <= 10) || a4 <= 0) || 306 <= a23) || !(306 <= \old(a23))) || !(a8 == 15)) || 1 < a4) || (a23 + 244 <= 0 && 141 <= a29)) || ((165 <= a23 && a23 <= 247) && a29 + 7786 <= 0)) || 143 <= a29) || !(a25 == 13)) || !(a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 32.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 6080 SDslu, 704 SDs, 0 SdLazy, 13959 SolverSat, 1721 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 104 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5394occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 585 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 202 PreInvPairs, 274 NumberOfFragments, 366 HoareAnnotationTreeSize, 202 FomulaSimplifications, 2761654 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 204152 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 46.4s InterpolantComputationTime, 3135 NumberOfCodeBlocks, 3135 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3122 ConstructedInterpolants, 0 QuantifiedInterpolants, 3857671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 2271/2293 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...