/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:30:01,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:30:01,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:30:01,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:30:01,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:30:01,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:30:01,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:30:01,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:30:01,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:30:01,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:30:01,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:30:01,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:30:01,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:30:01,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:30:01,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:30:01,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:30:01,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:30:01,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:30:01,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:30:01,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:30:01,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:30:01,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:30:01,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:30:01,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:30:01,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:30:01,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:30:01,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:30:01,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:30:01,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:30:01,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 12:30:01,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:30:01,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:30:01,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:30:01,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:30:01,264 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:30:01,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:30:01,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:30:01,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:30:01,266 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:30:01,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:30:01,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:30:01,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:30:01,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:30:01,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:30:01,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:30:01,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:30:01,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:30:01,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:30:01,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:30:01,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:30:01,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:30:01,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:30:01,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:30:01,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:30:01,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:30:01,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:01,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:30:01,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:30:01,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:30:01,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:30:01,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:30:01,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:30:01,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:30:01,273 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:30:01,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:30:01,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:30:01,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:30:01,731 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:30:01,731 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:30:01,733 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-09-21 12:30:01,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/637cc9193/b6b28a1d0eb44c11b227e345ddb7caff/FLAG1dc2d5892 [2020-09-21 12:30:02,447 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:30:02,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-09-21 12:30:02,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/637cc9193/b6b28a1d0eb44c11b227e345ddb7caff/FLAG1dc2d5892 [2020-09-21 12:30:02,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/637cc9193/b6b28a1d0eb44c11b227e345ddb7caff [2020-09-21 12:30:02,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:30:02,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:30:02,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:02,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:30:02,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:30:02,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:02" (1/1) ... [2020-09-21 12:30:02,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e37eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:02, skipping insertion in model container [2020-09-21 12:30:02,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:30:02" (1/1) ... [2020-09-21 12:30:02,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:30:02,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:30:03,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:03,215 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:30:03,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:30:03,521 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:30:03,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03 WrapperNode [2020-09-21 12:30:03,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:30:03,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:30:03,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:30:03,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:30:03,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... [2020-09-21 12:30:03,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:30:03,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:30:03,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:30:03,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:30:03,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:30:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:30:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:30:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 12:30:03,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:30:03,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:30:04,877 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:30:04,877 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 12:30:04,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:04 BoogieIcfgContainer [2020-09-21 12:30:04,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:30:04,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:30:04,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:30:04,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:30:04,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:30:02" (1/3) ... [2020-09-21 12:30:04,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:04, skipping insertion in model container [2020-09-21 12:30:04,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:30:03" (2/3) ... [2020-09-21 12:30:04,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b2da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:30:04, skipping insertion in model container [2020-09-21 12:30:04,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:30:04" (3/3) ... [2020-09-21 12:30:04,902 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-09-21 12:30:04,913 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:30:04,929 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:30:04,947 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:30:04,978 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:30:04,979 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:30:04,979 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:30:04,979 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:30:04,979 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:30:04,979 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:30:04,979 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:30:04,980 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:30:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-21 12:30:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-21 12:30:05,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:05,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:05,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:05,024 INFO L82 PathProgramCache]: Analyzing trace with hash -524262186, now seen corresponding path program 1 times [2020-09-21 12:30:05,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:05,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176901761] [2020-09-21 12:30:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:05,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:06,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:06,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-09-21 12:30:06,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:06,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:30:06,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:06,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-21 12:30:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:30:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:06,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:06,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:06,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:06,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:30:06,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:06,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:06,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:06,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:06,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176901761] [2020-09-21 12:30:06,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:06,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:30:06,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879438489] [2020-09-21 12:30:06,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:30:06,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:06,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:30:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:30:06,722 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-09-21 12:30:08,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:08,432 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-09-21 12:30:08,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:08,434 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-09-21 12:30:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:08,453 INFO L225 Difference]: With dead ends: 627 [2020-09-21 12:30:08,454 INFO L226 Difference]: Without dead ends: 327 [2020-09-21 12:30:08,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:08,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-09-21 12:30:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-09-21 12:30:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-09-21 12:30:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-09-21 12:30:08,605 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 104 [2020-09-21 12:30:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:08,607 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-09-21 12:30:08,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:30:08,607 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-09-21 12:30:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-09-21 12:30:08,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:08,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:08,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:30:08,621 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:08,623 INFO L82 PathProgramCache]: Analyzing trace with hash -297868677, now seen corresponding path program 1 times [2020-09-21 12:30:08,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:08,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227048214] [2020-09-21 12:30:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:08,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:08,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:09,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:09,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 12:30:09,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:09,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:30:09,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:09,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-21 12:30:09,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 12:30:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:30:09,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:09,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:09,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:09,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:09,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:09,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:09,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:09,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:09,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:09,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:30:09,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:09,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:30:09,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:09,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:09,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:30:09,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:09,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227048214] [2020-09-21 12:30:09,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:09,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:09,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126331072] [2020-09-21 12:30:09,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:09,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:09,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:09,926 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 5 states. [2020-09-21 12:30:11,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:11,414 INFO L93 Difference]: Finished difference Result 946 states and 1456 transitions. [2020-09-21 12:30:11,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:11,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-09-21 12:30:11,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:11,423 INFO L225 Difference]: With dead ends: 946 [2020-09-21 12:30:11,423 INFO L226 Difference]: Without dead ends: 633 [2020-09-21 12:30:11,425 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 [2020-09-21 12:30:11,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-09-21 12:30:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 617. [2020-09-21 12:30:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-09-21 12:30:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 889 transitions. [2020-09-21 12:30:11,478 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 889 transitions. Word has length 119 [2020-09-21 12:30:11,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:11,479 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 889 transitions. [2020-09-21 12:30:11,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 889 transitions. [2020-09-21 12:30:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-21 12:30:11,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:11,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:11,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:30:11,486 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:11,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:11,488 INFO L82 PathProgramCache]: Analyzing trace with hash -33343506, now seen corresponding path program 1 times [2020-09-21 12:30:11,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:11,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555779540] [2020-09-21 12:30:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:11,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:11,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:12,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:12,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:12,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-21 12:30:12,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:12,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:30:12,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:30:12,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 12:30:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:12,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:12,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:12,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:12,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:12,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:12,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:12,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:30:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:12,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555779540] [2020-09-21 12:30:12,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:12,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:12,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72214502] [2020-09-21 12:30:12,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:12,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:12,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:12,714 INFO L87 Difference]: Start difference. First operand 617 states and 889 transitions. Second operand 5 states. [2020-09-21 12:30:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:14,146 INFO L93 Difference]: Finished difference Result 1824 states and 2703 transitions. [2020-09-21 12:30:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:14,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 126 [2020-09-21 12:30:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:14,159 INFO L225 Difference]: With dead ends: 1824 [2020-09-21 12:30:14,160 INFO L226 Difference]: Without dead ends: 1213 [2020-09-21 12:30:14,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2020-09-21 12:30:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 917. [2020-09-21 12:30:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-09-21 12:30:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1241 transitions. [2020-09-21 12:30:14,215 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1241 transitions. Word has length 126 [2020-09-21 12:30:14,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:14,216 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1241 transitions. [2020-09-21 12:30:14,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:14,216 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1241 transitions. [2020-09-21 12:30:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-21 12:30:14,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:14,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:14,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:30:14,220 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:14,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1221401530, now seen corresponding path program 1 times [2020-09-21 12:30:14,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:14,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75670559] [2020-09-21 12:30:14,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:14,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:14,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:15,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:15,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:15,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-21 12:30:15,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:15,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:30:15,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:15,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-21 12:30:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-21 12:30:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:15,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:15,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:15,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:15,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:30:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:15,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:15,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:15,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-21 12:30:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-21 12:30:15,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 12:30:15,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:15,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75670559] [2020-09-21 12:30:15,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:15,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 12:30:15,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877913283] [2020-09-21 12:30:15,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:30:15,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:15,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:30:15,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:30:15,724 INFO L87 Difference]: Start difference. First operand 917 states and 1241 transitions. Second operand 5 states. [2020-09-21 12:30:16,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:16,885 INFO L93 Difference]: Finished difference Result 1935 states and 2691 transitions. [2020-09-21 12:30:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:30:16,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-09-21 12:30:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:16,895 INFO L225 Difference]: With dead ends: 1935 [2020-09-21 12:30:16,896 INFO L226 Difference]: Without dead ends: 925 [2020-09-21 12:30:16,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:30:16,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-09-21 12:30:16,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 917. [2020-09-21 12:30:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-09-21 12:30:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1238 transitions. [2020-09-21 12:30:16,955 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1238 transitions. Word has length 146 [2020-09-21 12:30:16,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:16,955 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1238 transitions. [2020-09-21 12:30:16,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:30:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1238 transitions. [2020-09-21 12:30:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-21 12:30:16,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:16,963 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:16,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:30:16,964 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:16,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:16,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1584321640, now seen corresponding path program 1 times [2020-09-21 12:30:16,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:16,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156846239] [2020-09-21 12:30:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:17,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:17,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:17,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-21 12:30:17,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:17,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-09-21 12:30:17,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:30:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:30:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 12:30:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:17,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:17,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:17,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:17,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:17,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:17,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:30:17,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:17,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:17,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:30:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:17,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:17,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:17,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:30:17,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-21 12:30:17,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:17,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:30:17,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:30:17,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156846239] [2020-09-21 12:30:17,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:30:17,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 12:30:17,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951175172] [2020-09-21 12:30:17,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:17,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:17,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:17,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:17,950 INFO L87 Difference]: Start difference. First operand 917 states and 1238 transitions. Second operand 7 states. [2020-09-21 12:30:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:19,719 INFO L93 Difference]: Finished difference Result 2152 states and 2918 transitions. [2020-09-21 12:30:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 12:30:19,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 162 [2020-09-21 12:30:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:19,726 INFO L225 Difference]: With dead ends: 2152 [2020-09-21 12:30:19,726 INFO L226 Difference]: Without dead ends: 931 [2020-09-21 12:30:19,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:19,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-21 12:30:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 912. [2020-09-21 12:30:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-09-21 12:30:19,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1148 transitions. [2020-09-21 12:30:19,771 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1148 transitions. Word has length 162 [2020-09-21 12:30:19,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:19,772 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1148 transitions. [2020-09-21 12:30:19,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1148 transitions. [2020-09-21 12:30:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-21 12:30:19,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:19,777 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:30:19,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:30:19,777 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:19,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:19,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1323208528, now seen corresponding path program 1 times [2020-09-21 12:30:19,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:19,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341058768] [2020-09-21 12:30:19,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:19,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:20,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-21 12:30:20,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:30:20,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:30:20,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-21 12:30:20,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:30:20,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:20,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:20,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:20,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:20,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:20,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:20,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:20,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 12:30:20,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 12:30:20,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 12:30:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:30:20,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 12:30:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:21,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:30:21,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:21,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-21 12:30:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:30:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:21,341 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:21,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341058768] [2020-09-21 12:30:21,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:21,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:21,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911795097] [2020-09-21 12:30:21,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:21,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:21,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:21,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:21,345 INFO L87 Difference]: Start difference. First operand 912 states and 1148 transitions. Second operand 7 states. [2020-09-21 12:30:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:23,661 INFO L93 Difference]: Finished difference Result 2964 states and 4053 transitions. [2020-09-21 12:30:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:30:23,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-09-21 12:30:23,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:23,674 INFO L225 Difference]: With dead ends: 2964 [2020-09-21 12:30:23,674 INFO L226 Difference]: Without dead ends: 1756 [2020-09-21 12:30:23,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:30:23,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2020-09-21 12:30:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1683. [2020-09-21 12:30:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2020-09-21 12:30:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2075 transitions. [2020-09-21 12:30:23,756 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2075 transitions. Word has length 184 [2020-09-21 12:30:23,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:23,757 INFO L479 AbstractCegarLoop]: Abstraction has 1683 states and 2075 transitions. [2020-09-21 12:30:23,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2075 transitions. [2020-09-21 12:30:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-21 12:30:23,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:30:23,765 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-21 12:30:23,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:30:23,766 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:30:23,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:30:23,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1292111144, now seen corresponding path program 1 times [2020-09-21 12:30:23,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:30:23,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269192339] [2020-09-21 12:30:23,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:30:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:23,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:24,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 12:30:24,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:30:24,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:24,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:30:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:24,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:24,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:24,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:30:24,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:30:24,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:30:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:24,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:30:24,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 12:30:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:24,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:30:24,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:30:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 12:30:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:30:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:30:24,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:30:25,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:30:25,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-21 12:30:25,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:30:25,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:30:25,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:30:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:30:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 12:30:25,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-21 12:30:25,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:30:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 12:30:25,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269192339] [2020-09-21 12:30:25,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:30:25,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:30:25,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211098546] [2020-09-21 12:30:25,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:30:25,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:30:25,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:30:25,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:30:25,233 INFO L87 Difference]: Start difference. First operand 1683 states and 2075 transitions. Second operand 7 states. [2020-09-21 12:30:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:30:26,388 INFO L93 Difference]: Finished difference Result 2599 states and 3164 transitions. [2020-09-21 12:30:26,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:30:26,392 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-21 12:30:26,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:30:26,393 INFO L225 Difference]: With dead ends: 2599 [2020-09-21 12:30:26,393 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:30:26,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:30:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:30:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:30:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:30:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:30:26,402 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 188 [2020-09-21 12:30:26,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:30:26,402 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:30:26,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:30:26,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:30:26,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:30:26,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:30:26,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:30:27,503 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2020-09-21 12:30:27,855 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2020-09-21 12:30:28,186 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 50 [2020-09-21 12:30:28,348 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2020-09-21 12:30:28,472 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2020-09-21 12:30:28,477 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:28,478 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-21 12:30:28,478 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:28,478 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,478 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-21 12:30:28,479 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:28,480 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-21 12:30:28,481 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-21 12:30:28,482 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-21 12:30:28,483 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 466) no Hoare annotation was computed. [2020-09-21 12:30:28,484 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-21 12:30:28,485 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,486 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-21 12:30:28,487 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,488 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-21 12:30:28,489 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-21 12:30:28,490 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:28,491 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-21 12:30:28,492 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-21 12:30:28,493 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-21 12:30:28,494 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-21 12:30:28,495 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-21 12:30:28,496 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-21 12:30:28,497 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,498 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse2 (= ~a17~0 |old(~a17~0)|) .cse3 .cse4 .cse5)) (.cse1 (not (= |old(~a11~0)| 1)))) (and (or .cse0 (not (<= |old(~a17~0)| 7)) .cse1) (or (and .cse2 .cse3 .cse4 (= ~a17~0 8) .cse5) (not (= 8 |old(~a17~0)|))) (or (not (= 7 |old(~a17~0)|)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (= |old(~a25~0)| 1) (and (= 7 ~a17~0) .cse3 .cse4 (= ~a28~0 8) .cse5) (not (= ~a21~0 1)) (not (= 8 |old(~a28~0)|))) (or .cse0 (not (= 0 |old(~a19~0)|)) .cse1)))) [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-21 12:30:28,499 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-21 12:30:28,500 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-21 12:30:28,501 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-21 12:30:28,502 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,503 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-21 12:30:28,504 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:28,505 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-21 12:30:28,506 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-21 12:30:28,506 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-21 12:30:28,506 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:30:28,506 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~a17~0 8) [2020-09-21 12:30:28,506 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:30:28,506 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:30:28,506 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|))) [2020-09-21 12:30:28,507 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (and (= 7 ~a17~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a11~0 0) (= ~a28~0 8) (not (= ~a25~0 1))) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (= ~a19~0 0) .cse0) (and .cse0 (<= ~a17~0 7)))) [2020-09-21 12:30:28,507 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:28,507 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-21 12:30:28,507 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a11~0 1))) (or (and (= 7 ~a17~0) (= ~a19~0 1) (= ~a21~0 1) (= ~a11~0 0) (= ~a28~0 8) (not (= ~a25~0 1))) (= ~a17~0 8) (not (= 8 |old(~a17~0)|)) (and (= ~a19~0 0) .cse0) (and .cse0 (<= ~a17~0 7)))) [2020-09-21 12:30:28,507 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-21 12:30:28,507 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-21 12:30:28,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:30:28 BoogieIcfgContainer [2020-09-21 12:30:28,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:30:28,533 INFO L168 Benchmark]: Toolchain (without parser) took 25835.31 ms. Allocated memory was 140.5 MB in the beginning and 554.7 MB in the end (delta: 414.2 MB). Free memory was 102.5 MB in the beginning and 485.5 MB in the end (delta: -383.0 MB). Peak memory consumption was 388.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,534 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 819.30 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 101.9 MB in the beginning and 173.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,536 INFO L168 Benchmark]: Boogie Preprocessor took 105.72 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,537 INFO L168 Benchmark]: RCFGBuilder took 1261.71 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 168.2 MB in the beginning and 179.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,538 INFO L168 Benchmark]: TraceAbstraction took 23638.66 ms. Allocated memory was 237.5 MB in the beginning and 554.7 MB in the end (delta: 317.2 MB). Free memory was 179.7 MB in the beginning and 485.5 MB in the end (delta: -305.8 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:30:28,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 819.30 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 101.9 MB in the beginning and 173.0 MB in the end (delta: -71.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.72 ms. Allocated memory is still 206.0 MB. Free memory was 173.0 MB in the beginning and 168.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.71 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 168.2 MB in the beginning and 179.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23638.66 ms. Allocated memory was 237.5 MB in the beginning and 554.7 MB in the end (delta: 317.2 MB). Free memory was 179.7 MB in the beginning and 485.5 MB in the end (delta: -305.8 MB). Peak memory consumption was 368.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 466]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((7 == a17 && a19 == 1) && a21 == 1) && a11 == 0) && a28 == 8) && !(a25 == 1)) || a17 == 8) || !(8 == \old(a17))) || (a19 == 0 && a11 == 1)) || (a11 == 1 && a17 <= 7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.4s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 11.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 2460 SDslu, 310 SDs, 0 SdLazy, 6559 SolverSat, 948 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1683occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 420 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 59 PreInvPairs, 97 NumberOfFragments, 273 HoareAnnotationTreeSize, 59 FomulaSimplifications, 90735 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1539 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1022 ConstructedInterpolants, 0 QuantifiedInterpolants, 632150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 312/319 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...