/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:30:18,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:30:18,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:30:18,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 01:30:18,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:30:18,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:30:18,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:30:18,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:30:18,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:30:18,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:30:18,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:30:18,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:30:18,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:30:18,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:30:18,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:30:18,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:30:18,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 01:30:18,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:30:18,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:30:18,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:30:18,583 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 [2020-08-22 01:30:18,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:30:18,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:30:18,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:30:18,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:30:18,607 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:30:18,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:30:18,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:30:18,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:30:18,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:30:18,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:30:18,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:30:18,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:30:18,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:30:18,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:30:18,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:30:18,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:30:18,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:30:18,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:30:18,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:30:18,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:30:18,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:30:18,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:30:18,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:30:18,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:30:18,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:30:18,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:30:18,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:30:18,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:30:18,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:30:18,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:30:18,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:30:18,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:30:18,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:30:18,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:30:18,965 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:30:18,966 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 01:30:19,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/066142aca/87e0544a47bd4a6b91cce25c9ca38bbb/FLAG32c1d5271 [2020-08-22 01:30:19,666 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:30:19,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 01:30:19,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/066142aca/87e0544a47bd4a6b91cce25c9ca38bbb/FLAG32c1d5271 [2020-08-22 01:30:19,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/066142aca/87e0544a47bd4a6b91cce25c9ca38bbb [2020-08-22 01:30:19,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:30:19,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:30:19,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:30:19,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:30:19,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:30:19,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:30:19" (1/1) ... [2020-08-22 01:30:19,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347c51ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:19, skipping insertion in model container [2020-08-22 01:30:19,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:30:19" (1/1) ... [2020-08-22 01:30:19,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:30:19,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:30:20,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:30:20,667 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:30:20,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:30:20,839 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:30:20,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20 WrapperNode [2020-08-22 01:30:20,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:30:20,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:30:20,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:30:20,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:30:20,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:20,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (1/1) ... [2020-08-22 01:30:21,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:30:21,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:30:21,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:30:21,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:30:21,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (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 [2020-08-22 01:30:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:30:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 01:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 01:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 01:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:30:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:30:22,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:30:22,642 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 01:30:22,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:30:22 BoogieIcfgContainer [2020-08-22 01:30:22,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:30:22,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:30:22,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:30:22,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:30:22,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:30:19" (1/3) ... [2020-08-22 01:30:22,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cab8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:30:22, skipping insertion in model container [2020-08-22 01:30:22,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:30:20" (2/3) ... [2020-08-22 01:30:22,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cab8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:30:22, skipping insertion in model container [2020-08-22 01:30:22,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:30:22" (3/3) ... [2020-08-22 01:30:22,659 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-08-22 01:30:22,673 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:30:22,683 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:30:22,698 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:30:22,726 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:30:22,726 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:30:22,726 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:30:22,726 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:30:22,726 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:30:22,727 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:30:22,727 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:30:22,727 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:30:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-22 01:30:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 01:30:22,761 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:22,763 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] [2020-08-22 01:30:22,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:22,770 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-08-22 01:30:22,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:22,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [853723893] [2020-08-22 01:30:22,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:23,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [853723893] [2020-08-22 01:30:23,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:23,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 01:30:23,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710836636] [2020-08-22 01:30:23,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:30:23,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:23,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:30:23,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:30:23,227 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-22 01:30:26,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:26,205 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-08-22 01:30:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 01:30:26,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-08-22 01:30:26,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:26,231 INFO L225 Difference]: With dead ends: 886 [2020-08-22 01:30:26,231 INFO L226 Difference]: Without dead ends: 564 [2020-08-22 01:30:26,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-22 01:30:26,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-08-22 01:30:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-08-22 01:30:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-08-22 01:30:26,336 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 56 [2020-08-22 01:30:26,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:26,337 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-08-22 01:30:26,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:30:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-08-22 01:30:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-22 01:30:26,344 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:26,344 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:26,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:30:26,345 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:26,346 INFO L82 PathProgramCache]: Analyzing trace with hash 438966350, now seen corresponding path program 1 times [2020-08-22 01:30:26,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:26,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559497189] [2020-08-22 01:30:26,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:26,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:26,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:26,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559497189] [2020-08-22 01:30:26,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:26,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 01:30:26,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738411994] [2020-08-22 01:30:26,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:26,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:26,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:26,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:26,683 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-08-22 01:30:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:28,645 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-08-22 01:30:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:30:28,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-08-22 01:30:28,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:28,658 INFO L225 Difference]: With dead ends: 1320 [2020-08-22 01:30:28,658 INFO L226 Difference]: Without dead ends: 768 [2020-08-22 01:30:28,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 01:30:28,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-08-22 01:30:28,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-08-22 01:30:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-08-22 01:30:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-08-22 01:30:28,728 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 130 [2020-08-22 01:30:28,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:28,731 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-08-22 01:30:28,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-08-22 01:30:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 01:30:28,742 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:28,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:28,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:30:28,743 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:28,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:28,745 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-08-22 01:30:28,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:28,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474097048] [2020-08-22 01:30:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:28,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:30:29,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474097048] [2020-08-22 01:30:29,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:30:29,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 01:30:29,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931735073] [2020-08-22 01:30:29,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:29,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:29,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:29,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:29,106 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-08-22 01:30:30,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:30,985 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-08-22 01:30:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 01:30:30,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-22 01:30:30,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:30,994 INFO L225 Difference]: With dead ends: 1330 [2020-08-22 01:30:30,995 INFO L226 Difference]: Without dead ends: 770 [2020-08-22 01:30:30,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-22 01:30:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-08-22 01:30:31,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-08-22 01:30:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-08-22 01:30:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-08-22 01:30:31,042 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 139 [2020-08-22 01:30:31,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:31,045 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-08-22 01:30:31,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:31,046 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-08-22 01:30:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-22 01:30:31,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:31,052 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:31,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:30:31,053 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:31,055 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-08-22 01:30:31,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:31,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831621576] [2020-08-22 01:30:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:31,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:31,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 01:30:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 128 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 01:30:31,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831621576] [2020-08-22 01:30:31,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:31,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 01:30:31,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211967085] [2020-08-22 01:30:31,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:30:31,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:31,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:30:31,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:30:31,638 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 9 states. [2020-08-22 01:30:34,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:34,310 INFO L93 Difference]: Finished difference Result 1787 states and 2436 transitions. [2020-08-22 01:30:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 01:30:34,311 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 223 [2020-08-22 01:30:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:34,318 INFO L225 Difference]: With dead ends: 1787 [2020-08-22 01:30:34,318 INFO L226 Difference]: Without dead ends: 996 [2020-08-22 01:30:34,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-22 01:30:34,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-08-22 01:30:34,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 940. [2020-08-22 01:30:34,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-08-22 01:30:34,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1119 transitions. [2020-08-22 01:30:34,358 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1119 transitions. Word has length 223 [2020-08-22 01:30:34,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:34,358 INFO L479 AbstractCegarLoop]: Abstraction has 940 states and 1119 transitions. [2020-08-22 01:30:34,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:30:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1119 transitions. [2020-08-22 01:30:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-08-22 01:30:34,362 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:34,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 01:30:34,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:30:34,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:34,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1982541177, now seen corresponding path program 1 times [2020-08-22 01:30:34,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:34,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793293496] [2020-08-22 01:30:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:34,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:30:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-08-22 01:30:34,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793293496] [2020-08-22 01:30:34,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:34,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 01:30:34,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884504103] [2020-08-22 01:30:34,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 01:30:34,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:34,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 01:30:34,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 01:30:34,647 INFO L87 Difference]: Start difference. First operand 940 states and 1119 transitions. Second operand 6 states. [2020-08-22 01:30:35,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:35,909 INFO L93 Difference]: Finished difference Result 1916 states and 2285 transitions. [2020-08-22 01:30:35,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 01:30:35,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 248 [2020-08-22 01:30:35,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:35,916 INFO L225 Difference]: With dead ends: 1916 [2020-08-22 01:30:35,916 INFO L226 Difference]: Without dead ends: 948 [2020-08-22 01:30:35,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-08-22 01:30:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 938. [2020-08-22 01:30:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2020-08-22 01:30:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1110 transitions. [2020-08-22 01:30:35,949 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1110 transitions. Word has length 248 [2020-08-22 01:30:35,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:35,950 INFO L479 AbstractCegarLoop]: Abstraction has 938 states and 1110 transitions. [2020-08-22 01:30:35,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 01:30:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1110 transitions. [2020-08-22 01:30:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-08-22 01:30:35,956 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:35,956 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:35,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:30:35,957 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:35,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:35,957 INFO L82 PathProgramCache]: Analyzing trace with hash -2036405193, now seen corresponding path program 1 times [2020-08-22 01:30:35,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:35,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878303471] [2020-08-22 01:30:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:36,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:36,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:30:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 01:30:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-08-22 01:30:36,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878303471] [2020-08-22 01:30:36,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:36,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 01:30:36,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600783287] [2020-08-22 01:30:36,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:30:36,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:36,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:30:36,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:30:36,459 INFO L87 Difference]: Start difference. First operand 938 states and 1110 transitions. Second operand 5 states. [2020-08-22 01:30:37,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:37,894 INFO L93 Difference]: Finished difference Result 2436 states and 2980 transitions. [2020-08-22 01:30:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 01:30:37,895 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 351 [2020-08-22 01:30:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:37,903 INFO L225 Difference]: With dead ends: 2436 [2020-08-22 01:30:37,903 INFO L226 Difference]: Without dead ends: 1504 [2020-08-22 01:30:37,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 01:30:37,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2020-08-22 01:30:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1316. [2020-08-22 01:30:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1316 states. [2020-08-22 01:30:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1554 transitions. [2020-08-22 01:30:37,943 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1554 transitions. Word has length 351 [2020-08-22 01:30:37,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:37,944 INFO L479 AbstractCegarLoop]: Abstraction has 1316 states and 1554 transitions. [2020-08-22 01:30:37,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:30:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1554 transitions. [2020-08-22 01:30:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-08-22 01:30:37,951 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:37,952 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:37,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 01:30:37,952 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:37,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:37,953 INFO L82 PathProgramCache]: Analyzing trace with hash 153889291, now seen corresponding path program 1 times [2020-08-22 01:30:37,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:37,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586730859] [2020-08-22 01:30:37,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:30:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 01:30:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 306 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-08-22 01:30:38,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586730859] [2020-08-22 01:30:38,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:38,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 01:30:38,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466485650] [2020-08-22 01:30:38,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 01:30:38,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:38,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 01:30:38,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 01:30:38,365 INFO L87 Difference]: Start difference. First operand 1316 states and 1554 transitions. Second operand 7 states. [2020-08-22 01:30:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:40,760 INFO L93 Difference]: Finished difference Result 3398 states and 4060 transitions. [2020-08-22 01:30:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 01:30:40,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 357 [2020-08-22 01:30:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:40,771 INFO L225 Difference]: With dead ends: 3398 [2020-08-22 01:30:40,772 INFO L226 Difference]: Without dead ends: 2088 [2020-08-22 01:30:40,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 01:30:40,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2088 states. [2020-08-22 01:30:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2088 to 1888. [2020-08-22 01:30:40,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1888 states. [2020-08-22 01:30:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1888 states and 2230 transitions. [2020-08-22 01:30:40,839 INFO L78 Accepts]: Start accepts. Automaton has 1888 states and 2230 transitions. Word has length 357 [2020-08-22 01:30:40,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:40,839 INFO L479 AbstractCegarLoop]: Abstraction has 1888 states and 2230 transitions. [2020-08-22 01:30:40,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 01:30:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2230 transitions. [2020-08-22 01:30:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-08-22 01:30:40,847 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:40,847 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:40,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 01:30:40,848 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:40,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:40,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1878254157, now seen corresponding path program 1 times [2020-08-22 01:30:40,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:40,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008576351] [2020-08-22 01:30:40,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:41,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:41,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:41,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:30:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-22 01:30:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-08-22 01:30:41,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008576351] [2020-08-22 01:30:41,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:41,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 01:30:41,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394588035] [2020-08-22 01:30:41,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:30:41,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:30:41,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:30:41,304 INFO L87 Difference]: Start difference. First operand 1888 states and 2230 transitions. Second operand 5 states. [2020-08-22 01:30:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:42,710 INFO L93 Difference]: Finished difference Result 4886 states and 5887 transitions. [2020-08-22 01:30:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 01:30:42,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 369 [2020-08-22 01:30:42,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:42,725 INFO L225 Difference]: With dead ends: 4886 [2020-08-22 01:30:42,725 INFO L226 Difference]: Without dead ends: 3004 [2020-08-22 01:30:42,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 01:30:42,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3004 states. [2020-08-22 01:30:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3004 to 2814. [2020-08-22 01:30:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2020-08-22 01:30:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3275 transitions. [2020-08-22 01:30:42,812 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3275 transitions. Word has length 369 [2020-08-22 01:30:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:42,813 INFO L479 AbstractCegarLoop]: Abstraction has 2814 states and 3275 transitions. [2020-08-22 01:30:42,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:30:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3275 transitions. [2020-08-22 01:30:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2020-08-22 01:30:42,823 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:30:42,824 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:30:42,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 01:30:42,824 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:30:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:30:42,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1519298699, now seen corresponding path program 1 times [2020-08-22 01:30:42,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:30:42,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902694641] [2020-08-22 01:30:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:30:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:42,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:30:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 01:30:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:30:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-22 01:30:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:30:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 147 proven. 12 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-08-22 01:30:43,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902694641] [2020-08-22 01:30:43,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:30:43,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 01:30:43,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827343778] [2020-08-22 01:30:43,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 01:30:43,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:30:43,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 01:30:43,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 01:30:43,237 INFO L87 Difference]: Start difference. First operand 2814 states and 3275 transitions. Second operand 8 states. [2020-08-22 01:30:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:30:46,736 INFO L93 Difference]: Finished difference Result 6178 states and 7338 transitions. [2020-08-22 01:30:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 01:30:46,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 389 [2020-08-22 01:30:46,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:30:46,738 INFO L225 Difference]: With dead ends: 6178 [2020-08-22 01:30:46,738 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:30:46,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-08-22 01:30:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:30:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:30:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:30:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:30:46,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 389 [2020-08-22 01:30:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:30:46,750 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:30:46,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 01:30:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:30:46,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:30:46,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 01:30:46,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:30:47,075 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2020-08-22 01:30:47,188 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 104 [2020-08-22 01:30:47,666 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 48 [2020-08-22 01:30:48,090 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-08-22 01:30:48,503 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2020-08-22 01:30:48,507 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,508 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,509 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-22 01:30:48,510 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 01:30:48,511 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,512 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,513 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-22 01:30:48,514 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-22 01:30:48,515 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,516 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-22 01:30:48,517 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 01:30:48,518 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-22 01:30:48,519 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 |old(~a24~0)|)) (.cse4 (= ~a21~0 |old(~a21~0)|)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (and .cse0 .cse4 .cse1 .cse2)) (.cse3 (not (<= |old(~a15~0)| 8)))) (and (or (and .cse0 (= ~a21~0 9) .cse1 .cse2) .cse3 (not (= 9 |old(~a21~0)|))) (or (not (= 10 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and .cse4 (= ~a24~0 1) .cse1 .cse2) (not (<= |old(~a12~0)| 10)) .cse3) (or .cse5 .cse3 (= 6 |old(~a15~0)|)) (or .cse5 (not (<= 8 |old(~a15~0)|)) (= 10 |old(~a15~0)|)) (or .cse5 .cse3 (not (<= |old(~a21~0)| 8)))))) [2020-08-22 01:30:48,519 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-22 01:30:48,519 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-22 01:30:48,519 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,519 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-22 01:30:48,520 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 01:30:48,521 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 01:30:48,522 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,523 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,524 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-22 01:30:48,525 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-22 01:30:48,526 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-22 01:30:48,527 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-22 01:30:48,528 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-22 01:30:48,529 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 01:30:48,530 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,531 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,532 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-22 01:30:48,533 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-22 01:30:48,534 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-22 01:30:48,535 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 01:30:48,536 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 01:30:48,536 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 01:30:48,536 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-22 01:30:48,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:30:48,536 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 7 ~a21~0) (<= 8 ~a15~0) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= ~a21~0 8)) [2020-08-22 01:30:48,536 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 01:30:48,536 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:30:48,537 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (<= 8 ~a15~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-08-22 01:30:48,537 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-22 01:30:48,537 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a15~0 6)) (.cse1 (<= ~a15~0 8))) (or (not (<= 8 |old(~a15~0)|)) (and (<= ~a12~0 10) (= ~a21~0 10) (= ~a24~0 1) .cse0) (and .cse1 (= ~a21~0 9)) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (and .cse1 (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not .cse0) .cse1))) [2020-08-22 01:30:48,537 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-22 01:30:48,537 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-22 01:30:48,538 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a15~0 6)) (.cse1 (<= ~a15~0 8))) (or (not (<= 8 |old(~a15~0)|)) (and (<= ~a12~0 10) (= ~a21~0 10) (= ~a24~0 1) .cse0) (and .cse1 (= ~a21~0 9)) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (and .cse1 (<= ~a21~0 8)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 8)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not .cse0) .cse1))) [2020-08-22 01:30:48,538 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-22 01:30:48,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:30:48 BoogieIcfgContainer [2020-08-22 01:30:48,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 01:30:48,561 INFO L168 Benchmark]: Toolchain (without parser) took 28646.44 ms. Allocated memory was 141.0 MB in the beginning and 610.3 MB in the end (delta: 469.2 MB). Free memory was 101.0 MB in the beginning and 474.8 MB in the end (delta: -373.9 MB). Peak memory consumption was 443.7 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:48,562 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 01:30:48,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 925.01 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:48,563 INFO L168 Benchmark]: Boogie Preprocessor took 163.11 ms. Allocated memory is still 207.1 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:48,564 INFO L168 Benchmark]: RCFGBuilder took 1645.10 ms. Allocated memory was 207.1 MB in the beginning and 240.6 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 158.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:48,565 INFO L168 Benchmark]: TraceAbstraction took 25908.13 ms. Allocated memory was 240.6 MB in the beginning and 610.3 MB in the end (delta: 369.6 MB). Free memory was 158.0 MB in the beginning and 474.8 MB in the end (delta: -316.8 MB). Peak memory consumption was 401.1 MB. Max. memory is 7.1 GB. [2020-08-22 01:30:48,569 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 925.01 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 100.7 MB in the beginning and 169.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.11 ms. Allocated memory is still 207.1 MB. Free memory was 169.9 MB in the beginning and 164.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1645.10 ms. Allocated memory was 207.1 MB in the beginning and 240.6 MB in the end (delta: 33.6 MB). Free memory was 164.3 MB in the beginning and 158.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25908.13 ms. Allocated memory was 240.6 MB in the beginning and 610.3 MB in the end (delta: 369.6 MB). Free memory was 158.0 MB in the beginning and 474.8 MB in the end (delta: -316.8 MB). Peak memory consumption was 401.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((((((!(8 <= \old(a15)) || (((a12 <= 10 && a21 == 10) && a24 == 1) && a15 == 6)) || (a15 <= 8 && a21 == 9)) || (8 <= a15 && !(a15 == 10))) || !(\old(a15) <= 8)) || (a15 <= 8 && a21 <= 8)) || !(7 <= \old(a21))) || !(\old(a21) <= 8)) || !(\old(a12) + 49 <= 0)) || (!(a15 == 6) && a15 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 249 SDtfs, 7503 SDslu, 304 SDs, 0 SdLazy, 10591 SolverSat, 2610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2814occurred in iteration=8, 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, 9 MinimizatonAttempts, 868 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 80 PreInvPairs, 124 NumberOfFragments, 338 HoareAnnotationTreeSize, 80 FomulaSimplifications, 166125 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58180 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2262 NumberOfCodeBlocks, 2262 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2253 ConstructedInterpolants, 0 QuantifiedInterpolants, 1555567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 2090/2164 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...