/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:23:00,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:23:00,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:23:00,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-21 10:23:00,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:23:00,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:23:00,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:23:00,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:23:00,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:23:00,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:23:00,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:23:00,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:23:00,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:23:00,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:23:00,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:23:00,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:23:00,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:23:00,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:23:00,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:23:00,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:23:00,857 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 10:23:00,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:23:00,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:23:00,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:23:00,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:23:00,885 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:23:00,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:23:00,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:23:00,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:23:00,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:23:00,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:23:00,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:23:00,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:23:00,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:23:00,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:23:00,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:23:00,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:23:00,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:23:00,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:23:00,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:23:00,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:23:00,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:23:00,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:23:00,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:23:00,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:23:00,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:23:00,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:23:00,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:23:00,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:23:00,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:23:00,890 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 -> false [2020-09-21 10:23:01,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:23:01,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:23:01,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:23:01,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:23:01,409 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:23:01,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-09-21 10:23:01,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/457e5cd91/6786e4a1246349aba11c4dfaef0f8861/FLAGcb9628b89 [2020-09-21 10:23:02,178 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:23:02,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2020-09-21 10:23:02,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/457e5cd91/6786e4a1246349aba11c4dfaef0f8861/FLAGcb9628b89 [2020-09-21 10:23:02,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/457e5cd91/6786e4a1246349aba11c4dfaef0f8861 [2020-09-21 10:23:02,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:23:02,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:23:02,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:23:02,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:23:02,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:23:02,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:23:02" (1/1) ... [2020-09-21 10:23:02,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6d7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:02, skipping insertion in model container [2020-09-21 10:23:02,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:23:02" (1/1) ... [2020-09-21 10:23:02,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:23:02,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:23:03,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:23:03,145 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:23:03,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:23:03,331 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:23:03,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03 WrapperNode [2020-09-21 10:23:03,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:23:03,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:23:03,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:23:03,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:23:03,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (1/1) ... [2020-09-21 10:23:03,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:23:03,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:23:03,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:23:03,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:23:03,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (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 10:23:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:23:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:23:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 10:23:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:23:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 10:23:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:23:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:23:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 10:23:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:23:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:23:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:23:04,812 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:23:04,813 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 10:23:04,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:23:04 BoogieIcfgContainer [2020-09-21 10:23:04,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:23:04,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:23:04,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:23:04,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:23:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:23:02" (1/3) ... [2020-09-21 10:23:04,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d5880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:23:04, skipping insertion in model container [2020-09-21 10:23:04,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:23:03" (2/3) ... [2020-09-21 10:23:04,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d5880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:23:04, skipping insertion in model container [2020-09-21 10:23:04,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:23:04" (3/3) ... [2020-09-21 10:23:04,839 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2020-09-21 10:23:04,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:23:04,867 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:23:04,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:23:04,931 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:23:04,932 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:23:04,933 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:23:04,933 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:23:04,933 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:23:04,933 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:23:04,934 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:23:04,934 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:23:04,965 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-09-21 10:23:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-21 10:23:04,989 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:04,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:04,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:04,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:04,999 INFO L82 PathProgramCache]: Analyzing trace with hash 597031182, now seen corresponding path program 1 times [2020-09-21 10:23:05,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:05,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173941829] [2020-09-21 10:23:05,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:05,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:05,710 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 10:23:05,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173941829] [2020-09-21 10:23:05,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:23:05,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:23:05,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871985315] [2020-09-21 10:23:05,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:23:05,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:05,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:23:05,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:23:05,744 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-09-21 10:23:07,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:07,251 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-09-21 10:23:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:23:07,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2020-09-21 10:23:07,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:07,290 INFO L225 Difference]: With dead ends: 557 [2020-09-21 10:23:07,290 INFO L226 Difference]: Without dead ends: 286 [2020-09-21 10:23:07,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:23:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-21 10:23:07,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-09-21 10:23:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-21 10:23:07,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-09-21 10:23:07,442 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 120 [2020-09-21 10:23:07,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:07,445 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-09-21 10:23:07,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:23:07,445 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-09-21 10:23:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-09-21 10:23:07,459 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:07,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:07,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:23:07,460 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:07,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:07,460 INFO L82 PathProgramCache]: Analyzing trace with hash 330455461, now seen corresponding path program 1 times [2020-09-21 10:23:07,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:07,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [344345727] [2020-09-21 10:23:07,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:07,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:07,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:23:07,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [344345727] [2020-09-21 10:23:07,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:23:07,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:23:07,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280729259] [2020-09-21 10:23:07,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:23:07,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:07,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:23:07,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:23:07,747 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-09-21 10:23:09,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:09,400 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-09-21 10:23:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 10:23:09,401 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-09-21 10:23:09,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:09,406 INFO L225 Difference]: With dead ends: 713 [2020-09-21 10:23:09,406 INFO L226 Difference]: Without dead ends: 439 [2020-09-21 10:23:09,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-09-21 10:23:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-09-21 10:23:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-09-21 10:23:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-09-21 10:23:09,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-09-21 10:23:09,447 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 130 [2020-09-21 10:23:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:09,448 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-09-21 10:23:09,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:23:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-09-21 10:23:09,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-09-21 10:23:09,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:09,453 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:09,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:23:09,453 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:09,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:09,454 INFO L82 PathProgramCache]: Analyzing trace with hash -46995225, now seen corresponding path program 1 times [2020-09-21 10:23:09,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:09,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1632687032] [2020-09-21 10:23:09,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:09,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:09,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:23:09,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1632687032] [2020-09-21 10:23:09,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:23:09,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:23:09,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047831817] [2020-09-21 10:23:09,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:23:09,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:09,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:23:09,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:23:09,939 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 6 states. [2020-09-21 10:23:11,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:11,381 INFO L93 Difference]: Finished difference Result 945 states and 1358 transitions. [2020-09-21 10:23:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:23:11,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2020-09-21 10:23:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:11,390 INFO L225 Difference]: With dead ends: 945 [2020-09-21 10:23:11,390 INFO L226 Difference]: Without dead ends: 427 [2020-09-21 10:23:11,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:23:11,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-21 10:23:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2020-09-21 10:23:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 10:23:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 552 transitions. [2020-09-21 10:23:11,426 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 552 transitions. Word has length 131 [2020-09-21 10:23:11,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:11,427 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 552 transitions. [2020-09-21 10:23:11,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:23:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 552 transitions. [2020-09-21 10:23:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 10:23:11,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:11,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:11,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:23:11,431 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:11,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:11,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1746951265, now seen corresponding path program 1 times [2020-09-21 10:23:11,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:11,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152154080] [2020-09-21 10:23:11,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:11,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:23:11,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152154080] [2020-09-21 10:23:11,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:23:11,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:23:11,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879483653] [2020-09-21 10:23:11,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:23:11,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:11,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:23:11,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:23:11,897 INFO L87 Difference]: Start difference. First operand 419 states and 552 transitions. Second operand 7 states. [2020-09-21 10:23:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:13,040 INFO L93 Difference]: Finished difference Result 924 states and 1249 transitions. [2020-09-21 10:23:13,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:23:13,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-09-21 10:23:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:13,047 INFO L225 Difference]: With dead ends: 924 [2020-09-21 10:23:13,047 INFO L226 Difference]: Without dead ends: 427 [2020-09-21 10:23:13,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:23:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-09-21 10:23:13,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 419. [2020-09-21 10:23:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-21 10:23:13,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 549 transitions. [2020-09-21 10:23:13,090 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 549 transitions. Word has length 132 [2020-09-21 10:23:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:13,090 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 549 transitions. [2020-09-21 10:23:13,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:23:13,091 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 549 transitions. [2020-09-21 10:23:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-21 10:23:13,093 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:13,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:13,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:23:13,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:13,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:13,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1219225115, now seen corresponding path program 1 times [2020-09-21 10:23:13,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:13,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791859223] [2020-09-21 10:23:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:13,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:23:13,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791859223] [2020-09-21 10:23:13,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:23:13,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 10:23:13,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693619961] [2020-09-21 10:23:13,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 10:23:13,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:13,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 10:23:13,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:23:13,349 INFO L87 Difference]: Start difference. First operand 419 states and 549 transitions. Second operand 6 states. [2020-09-21 10:23:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:15,141 INFO L93 Difference]: Finished difference Result 1666 states and 2284 transitions. [2020-09-21 10:23:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:23:15,142 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2020-09-21 10:23:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:15,149 INFO L225 Difference]: With dead ends: 1666 [2020-09-21 10:23:15,150 INFO L226 Difference]: Without dead ends: 1253 [2020-09-21 10:23:15,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:23:15,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-09-21 10:23:15,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1245. [2020-09-21 10:23:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-09-21 10:23:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1607 transitions. [2020-09-21 10:23:15,199 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1607 transitions. Word has length 137 [2020-09-21 10:23:15,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:15,200 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1607 transitions. [2020-09-21 10:23:15,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 10:23:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1607 transitions. [2020-09-21 10:23:15,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-09-21 10:23:15,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:15,205 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:15,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:23:15,205 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:15,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:15,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1710204053, now seen corresponding path program 1 times [2020-09-21 10:23:15,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:15,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609066798] [2020-09-21 10:23:15,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:15,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:23:15,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609066798] [2020-09-21 10:23:15,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:23:15,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 10:23:15,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356858961] [2020-09-21 10:23:15,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 10:23:15,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:15,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 10:23:15,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 10:23:15,373 INFO L87 Difference]: Start difference. First operand 1245 states and 1607 transitions. Second operand 8 states. [2020-09-21 10:23:17,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:17,427 INFO L93 Difference]: Finished difference Result 3638 states and 5048 transitions. [2020-09-21 10:23:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 10:23:17,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-09-21 10:23:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:17,450 INFO L225 Difference]: With dead ends: 3638 [2020-09-21 10:23:17,451 INFO L226 Difference]: Without dead ends: 2399 [2020-09-21 10:23:17,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:23:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2399 states. [2020-09-21 10:23:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2399 to 2224. [2020-09-21 10:23:17,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2224 states. [2020-09-21 10:23:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 2840 transitions. [2020-09-21 10:23:17,564 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 2840 transitions. Word has length 138 [2020-09-21 10:23:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:17,565 INFO L479 AbstractCegarLoop]: Abstraction has 2224 states and 2840 transitions. [2020-09-21 10:23:17,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 10:23:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2840 transitions. [2020-09-21 10:23:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-21 10:23:17,573 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:17,573 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:17,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 10:23:17,573 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:17,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1422723674, now seen corresponding path program 1 times [2020-09-21 10:23:17,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:17,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790456986] [2020-09-21 10:23:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:23:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 10:23:17,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790456986] [2020-09-21 10:23:17,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:23:17,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 10:23:17,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567095705] [2020-09-21 10:23:17,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 10:23:17,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:17,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 10:23:17,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:23:17,803 INFO L87 Difference]: Start difference. First operand 2224 states and 2840 transitions. Second operand 7 states. [2020-09-21 10:23:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:19,263 INFO L93 Difference]: Finished difference Result 4752 states and 6199 transitions. [2020-09-21 10:23:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 10:23:19,263 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 153 [2020-09-21 10:23:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:19,276 INFO L225 Difference]: With dead ends: 4752 [2020-09-21 10:23:19,276 INFO L226 Difference]: Without dead ends: 2534 [2020-09-21 10:23:19,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 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 10:23:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-09-21 10:23:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2115. [2020-09-21 10:23:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2020-09-21 10:23:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2635 transitions. [2020-09-21 10:23:19,369 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2635 transitions. Word has length 153 [2020-09-21 10:23:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:19,370 INFO L479 AbstractCegarLoop]: Abstraction has 2115 states and 2635 transitions. [2020-09-21 10:23:19,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 10:23:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2635 transitions. [2020-09-21 10:23:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-21 10:23:19,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:23:19,380 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:23:19,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 10:23:19,380 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:23:19,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:23:19,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1579699882, now seen corresponding path program 1 times [2020-09-21 10:23:19,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:23:19,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691484602] [2020-09-21 10:23:19,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:23:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:23:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:19,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 10:23:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 10:23:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:23:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-21 10:23:19,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691484602] [2020-09-21 10:23:19,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 10:23:19,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 10:23:19,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333677835] [2020-09-21 10:23:19,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:23:19,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:23:19,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:23:19,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:23:19,651 INFO L87 Difference]: Start difference. First operand 2115 states and 2635 transitions. Second operand 5 states. [2020-09-21 10:23:20,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:23:20,724 INFO L93 Difference]: Finished difference Result 4361 states and 5462 transitions. [2020-09-21 10:23:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 10:23:20,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2020-09-21 10:23:20,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:23:20,729 INFO L225 Difference]: With dead ends: 4361 [2020-09-21 10:23:20,729 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:23:20,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 10:23:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:23:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:23:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:23:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:23:20,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 184 [2020-09-21 10:23:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:23:20,739 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:23:20,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:23:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:23:20,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:23:20,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 10:23:20,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:23:21,889 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 115 [2020-09-21 10:23:22,276 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 115 [2020-09-21 10:23:23,424 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2020-09-21 10:23:23,770 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2020-09-21 10:23:24,094 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 52 [2020-09-21 10:23:24,099 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:23:24,099 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-09-21 10:23:24,100 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:23:24,100 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-09-21 10:23:24,100 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-09-21 10:23:24,100 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,101 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,101 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,102 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,102 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,102 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,102 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-09-21 10:23:24,102 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-09-21 10:23:24,103 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,104 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-09-21 10:23:24,105 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-09-21 10:23:24,106 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,107 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-09-21 10:23:24,108 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,109 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-09-21 10:23:24,110 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,111 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-09-21 10:23:24,112 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,113 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-09-21 10:23:24,114 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-09-21 10:23:24,115 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-09-21 10:23:24,116 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-09-21 10:23:24,117 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-09-21 10:23:24,118 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-09-21 10:23:24,119 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (= |old(~a17~0)| 1)) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a8~0 |old(~a8~0)|)) (.cse9 (= |old(~a21~0)| 1)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse12 (= |old(~a8~0)| 13))) (let ((.cse0 (not .cse12)) (.cse2 (and .cse13 .cse18 (= ~a21~0 1) .cse15 (= ~a8~0 13) (= ~a16~0 4))) (.cse3 (not .cse9)) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (not (<= |old(~a16~0)| 5))) (.cse7 (and .cse18 .cse13 .cse14 .cse15 .cse16 .cse17)) (.cse10 (not .cse8)) (.cse11 (and .cse13 .cse14 .cse15 .cse16 .cse17 (= ~a17~0 1))) (.cse1 (not (= |old(~a20~0)| 1))) (.cse4 (not (= ~a12~0 8)))) (and (or .cse0 (not (= |old(~a7~0)| 1)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4) (or .cse7 (not (<= |old(~a17~0)| 0)) .cse9 .cse4) (or .cse0 (not (<= |old(~a7~0)| 0)) .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse10 (not (<= 5 |old(~a16~0)|)) .cse11 .cse1 .cse4) (or .cse6 .cse7 .cse9 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse7 .cse4) (or .cse10 .cse11 .cse12 .cse1 .cse4)))) [2020-09-21 10:23:24,119 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-09-21 10:23:24,119 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,119 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,119 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 10:23:24,120 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-09-21 10:23:24,121 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-09-21 10:23:24,122 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,123 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-09-21 10:23:24,124 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:23:24,125 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (= ~a20~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-09-21 10:23:24,125 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:23:24,125 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:23:24,125 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= ~a12~0 8))) [2020-09-21 10:23:24,125 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-09-21 10:23:24,125 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse4 (<= ~a16~0 5)) (.cse2 (not (= ~a21~0 1))) (.cse0 (= ~a20~0 1)) (.cse1 (= ~a17~0 1))) (or (not (<= 5 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= 5 ~a16~0) .cse1) (and (<= ~a17~0 0) .cse2) (and (= ~a7~0 1) .cse0 .cse3) (and (<= ~a7~0 0) .cse0 .cse3) (<= 15 ~a8~0) (not (= |old(~a17~0)| 1)) (and .cse4 (not .cse1)) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and (not (= ~a8~0 13)) .cse0 .cse1) (not (= ~a12~0 8)))) [2020-09-21 10:23:24,125 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-09-21 10:23:24,125 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 10:23:24,126 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (= ~a16~0 4)) (.cse4 (<= ~a16~0 5)) (.cse2 (not (= ~a21~0 1))) (.cse0 (= ~a20~0 1)) (.cse1 (= ~a17~0 1))) (or (not (<= 5 |old(~a16~0)|)) (not (= |old(~a20~0)| 1)) (and .cse0 (<= 5 ~a16~0) .cse1) (and (<= ~a17~0 0) .cse2) (and (= ~a7~0 1) .cse0 .cse3) (and (<= ~a7~0 0) .cse0 .cse3) (<= 15 ~a8~0) (not (= |old(~a17~0)| 1)) (and .cse4 (not .cse1)) (not (<= |old(~a16~0)| 5)) (and .cse4 .cse2) (not (<= 15 |old(~a8~0)|)) (and (not (= ~a8~0 13)) .cse0 .cse1) (not (= ~a12~0 8)))) [2020-09-21 10:23:24,126 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-09-21 10:23:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:23:24 BoogieIcfgContainer [2020-09-21 10:23:24,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:23:24,154 INFO L168 Benchmark]: Toolchain (without parser) took 21734.71 ms. Allocated memory was 140.0 MB in the beginning and 477.6 MB in the end (delta: 337.6 MB). Free memory was 101.2 MB in the beginning and 266.1 MB in the end (delta: -165.0 MB). Peak memory consumption was 352.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:23:24,155 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 10:23:24,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.01 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 170.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:23:24,157 INFO L168 Benchmark]: Boogie Preprocessor took 140.78 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 165.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-21 10:23:24,158 INFO L168 Benchmark]: RCFGBuilder took 1351.18 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 177.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. [2020-09-21 10:23:24,159 INFO L168 Benchmark]: TraceAbstraction took 19324.63 ms. Allocated memory was 238.0 MB in the beginning and 477.6 MB in the end (delta: 239.6 MB). Free memory was 177.7 MB in the beginning and 266.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 330.9 MB. Max. memory is 7.1 GB. [2020-09-21 10:23:24,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 907.01 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 170.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.78 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 165.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.18 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 177.7 MB in the end (delta: -12.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19324.63 ms. Allocated memory was 238.0 MB in the beginning and 477.6 MB in the end (delta: 239.6 MB). Free memory was 177.7 MB in the beginning and 266.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 330.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(5 <= \old(a16)) || !(\old(a20) == 1)) || ((a20 == 1 && 5 <= a16) && a17 == 1)) || (a17 <= 0 && !(a21 == 1))) || ((a7 == 1 && a20 == 1) && a16 == 4)) || ((a7 <= 0 && a20 == 1) && a16 == 4)) || 15 <= a8) || !(\old(a17) == 1)) || (a16 <= 5 && !(a17 == 1))) || !(\old(a16) <= 5)) || (a16 <= 5 && !(a21 == 1))) || !(15 <= \old(a8))) || ((!(a8 == 13) && a20 == 1) && a17 == 1)) || !(a12 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 213 SDtfs, 3174 SDslu, 251 SDs, 0 SdLazy, 5652 SolverSat, 947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2224occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 642 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 77 PreInvPairs, 115 NumberOfFragments, 589 HoareAnnotationTreeSize, 77 FomulaSimplifications, 79155 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6434 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1117 ConstructedInterpolants, 0 QuantifiedInterpolants, 936483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 161/168 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...