/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 02:02:30,716 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 02:02:30,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 02:02:30,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 02:02:30,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 02:02:30,794 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 [2020-08-19 02:02:30,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 02:02:30,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 02:02:30,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 02:02:30,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 02:02:30,839 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 02:02:30,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 02:02:30,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 02:02:30,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 02:02:30,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 02:02:30,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 02:02:30,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 02:02:30,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 02:02:30,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 02:02:30,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 02:02:30,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 02:02:30,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 02:02:30,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 02:02:30,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 02:02:30,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 02:02:30,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 02:02:30,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 02:02:30,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 02:02:30,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 02:02:30,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 02:02:30,844 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=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; [2020-08-19 02:02:31,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 02:02:31,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 02:02:31,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 02:02:31,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 02:02:31,161 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 02:02:31,161 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-08-19 02:02:31,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da0c1b610/075dce6504b04ef596267fd9522b4eb9/FLAG421db713f [2020-08-19 02:02:31,760 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 02:02:31,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label21.c [2020-08-19 02:02:31,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da0c1b610/075dce6504b04ef596267fd9522b4eb9/FLAG421db713f [2020-08-19 02:02:32,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da0c1b610/075dce6504b04ef596267fd9522b4eb9 [2020-08-19 02:02:32,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 02:02:32,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 02:02:32,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 02:02:32,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 02:02:32,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 02:02:32,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:32,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32, skipping insertion in model container [2020-08-19 02:02:32,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:32,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 02:02:32,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 02:02:32,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:02:32,699 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 02:02:32,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 02:02:32,984 INFO L208 MainTranslator]: Completed translation [2020-08-19 02:02:32,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32 WrapperNode [2020-08-19 02:02:32,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 02:02:32,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 02:02:32,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 02:02:32,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 02:02:33,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (1/1) ... [2020-08-19 02:02:33,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 02:02:33,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 02:02:33,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 02:02:33,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 02:02:33,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (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 [2020-08-19 02:02:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 02:02:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 02:02:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 02:02:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 02:02:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 02:02:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 02:02:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 02:02:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 02:02:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 02:02:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 02:02:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 02:02:34,771 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 02:02:34,772 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 02:02:34,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:02:34 BoogieIcfgContainer [2020-08-19 02:02:34,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 02:02:34,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 02:02:34,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 02:02:34,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 02:02:34,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 02:02:32" (1/3) ... [2020-08-19 02:02:34,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f4b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:02:34, skipping insertion in model container [2020-08-19 02:02:34,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 02:02:32" (2/3) ... [2020-08-19 02:02:34,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f4b8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 02:02:34, skipping insertion in model container [2020-08-19 02:02:34,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 02:02:34" (3/3) ... [2020-08-19 02:02:34,786 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label21.c [2020-08-19 02:02:34,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 02:02:34,804 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 02:02:34,817 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 02:02:34,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 02:02:34,840 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 02:02:34,840 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 02:02:34,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 02:02:34,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 02:02:34,841 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 02:02:34,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 02:02:34,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 02:02:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-19 02:02:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 02:02:34,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:34,869 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] [2020-08-19 02:02:34,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:34,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:34,876 INFO L82 PathProgramCache]: Analyzing trace with hash -736368013, now seen corresponding path program 1 times [2020-08-19 02:02:34,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:34,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61044195] [2020-08-19 02:02:34,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:35,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61044195] [2020-08-19 02:02:35,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:35,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 02:02:35,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633935735] [2020-08-19 02:02:35,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 02:02:35,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:35,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 02:02:35,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 02:02:35,212 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-19 02:02:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:37,804 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-08-19 02:02:37,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 02:02:37,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-08-19 02:02:37,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:37,843 INFO L225 Difference]: With dead ends: 886 [2020-08-19 02:02:37,843 INFO L226 Difference]: Without dead ends: 564 [2020-08-19 02:02:37,856 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 [2020-08-19 02:02:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-19 02:02:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-08-19 02:02:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-08-19 02:02:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-08-19 02:02:37,947 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 40 [2020-08-19 02:02:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:37,948 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-08-19 02:02:37,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 02:02:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-08-19 02:02:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-08-19 02:02:37,954 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:37,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:37,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 02:02:37,955 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:37,956 INFO L82 PathProgramCache]: Analyzing trace with hash 769181710, now seen corresponding path program 1 times [2020-08-19 02:02:37,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:37,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385467859] [2020-08-19 02:02:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:38,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385467859] [2020-08-19 02:02:38,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:38,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 02:02:38,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020789905] [2020-08-19 02:02:38,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 02:02:38,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:38,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 02:02:38,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 02:02:38,258 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-08-19 02:02:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:40,126 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-08-19 02:02:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 02:02:40,127 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2020-08-19 02:02:40,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:40,135 INFO L225 Difference]: With dead ends: 1320 [2020-08-19 02:02:40,135 INFO L226 Difference]: Without dead ends: 768 [2020-08-19 02:02:40,138 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 [2020-08-19 02:02:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-08-19 02:02:40,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-08-19 02:02:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-08-19 02:02:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-08-19 02:02:40,198 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 114 [2020-08-19 02:02:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:40,198 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-08-19 02:02:40,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 02:02:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-08-19 02:02:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-19 02:02:40,212 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:40,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:40,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 02:02:40,213 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:40,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:40,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1466730177, now seen corresponding path program 1 times [2020-08-19 02:02:40,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:40,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711990098] [2020-08-19 02:02:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:40,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 02:02:40,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711990098] [2020-08-19 02:02:40,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 02:02:40,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 02:02:40,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39339960] [2020-08-19 02:02:40,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 02:02:40,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:40,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 02:02:40,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 02:02:40,546 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-08-19 02:02:42,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:42,287 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-08-19 02:02:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 02:02:42,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-19 02:02:42,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:42,304 INFO L225 Difference]: With dead ends: 1330 [2020-08-19 02:02:42,304 INFO L226 Difference]: Without dead ends: 770 [2020-08-19 02:02:42,306 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 [2020-08-19 02:02:42,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-08-19 02:02:42,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-08-19 02:02:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-08-19 02:02:42,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-08-19 02:02:42,359 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 123 [2020-08-19 02:02:42,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:42,360 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-08-19 02:02:42,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 02:02:42,360 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-08-19 02:02:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-08-19 02:02:42,364 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:42,364 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 02:02:42,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 02:02:42,365 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:42,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:42,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1580065926, now seen corresponding path program 1 times [2020-08-19 02:02:42,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:42,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183342287] [2020-08-19 02:02:42,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:42,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:42,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 02:02:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-19 02:02:42,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183342287] [2020-08-19 02:02:42,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:42,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 02:02:42,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873909150] [2020-08-19 02:02:42,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 02:02:42,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:42,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 02:02:42,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-19 02:02:42,617 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 8 states. [2020-08-19 02:02:46,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:46,544 INFO L93 Difference]: Finished difference Result 2802 states and 3936 transitions. [2020-08-19 02:02:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 02:02:46,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-08-19 02:02:46,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:46,559 INFO L225 Difference]: With dead ends: 2802 [2020-08-19 02:02:46,559 INFO L226 Difference]: Without dead ends: 2054 [2020-08-19 02:02:46,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-08-19 02:02:46,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2020-08-19 02:02:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1500. [2020-08-19 02:02:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-08-19 02:02:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1992 transitions. [2020-08-19 02:02:46,614 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1992 transitions. Word has length 207 [2020-08-19 02:02:46,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:46,615 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 1992 transitions. [2020-08-19 02:02:46,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 02:02:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1992 transitions. [2020-08-19 02:02:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-08-19 02:02:46,622 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:46,623 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 02:02:46,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 02:02:46,623 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:46,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:46,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2070853628, now seen corresponding path program 1 times [2020-08-19 02:02:46,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:46,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427214320] [2020-08-19 02:02:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:46,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:46,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:46,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 02:02:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:47,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-08-19 02:02:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 133 proven. 221 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 02:02:47,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427214320] [2020-08-19 02:02:47,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:47,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 02:02:47,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334881608] [2020-08-19 02:02:47,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 02:02:47,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:47,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 02:02:47,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-19 02:02:47,470 INFO L87 Difference]: Start difference. First operand 1500 states and 1992 transitions. Second operand 9 states. [2020-08-19 02:02:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:49,969 INFO L93 Difference]: Finished difference Result 3461 states and 4619 transitions. [2020-08-19 02:02:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 02:02:49,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 330 [2020-08-19 02:02:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:49,980 INFO L225 Difference]: With dead ends: 3461 [2020-08-19 02:02:49,980 INFO L226 Difference]: Without dead ends: 1924 [2020-08-19 02:02:49,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-08-19 02:02:49,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2020-08-19 02:02:50,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1880. [2020-08-19 02:02:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1880 states. [2020-08-19 02:02:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2237 transitions. [2020-08-19 02:02:50,045 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2237 transitions. Word has length 330 [2020-08-19 02:02:50,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:50,046 INFO L479 AbstractCegarLoop]: Abstraction has 1880 states and 2237 transitions. [2020-08-19 02:02:50,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 02:02:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2237 transitions. [2020-08-19 02:02:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-08-19 02:02:50,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:50,054 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 02:02:50,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 02:02:50,055 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:50,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:50,056 INFO L82 PathProgramCache]: Analyzing trace with hash 749495311, now seen corresponding path program 1 times [2020-08-19 02:02:50,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:50,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534464698] [2020-08-19 02:02:50,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:50,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:50,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-19 02:02:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-08-19 02:02:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-08-19 02:02:50,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534464698] [2020-08-19 02:02:50,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:50,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 02:02:50,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644818503] [2020-08-19 02:02:50,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 02:02:50,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:50,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 02:02:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 02:02:50,507 INFO L87 Difference]: Start difference. First operand 1880 states and 2237 transitions. Second operand 7 states. [2020-08-19 02:02:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:52,786 INFO L93 Difference]: Finished difference Result 4888 states and 5955 transitions. [2020-08-19 02:02:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 02:02:52,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 355 [2020-08-19 02:02:52,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:52,799 INFO L225 Difference]: With dead ends: 4888 [2020-08-19 02:02:52,800 INFO L226 Difference]: Without dead ends: 3014 [2020-08-19 02:02:52,804 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 [2020-08-19 02:02:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2020-08-19 02:02:52,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 2628. [2020-08-19 02:02:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2020-08-19 02:02:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3120 transitions. [2020-08-19 02:02:52,880 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3120 transitions. Word has length 355 [2020-08-19 02:02:52,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:52,881 INFO L479 AbstractCegarLoop]: Abstraction has 2628 states and 3120 transitions. [2020-08-19 02:02:52,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 02:02:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3120 transitions. [2020-08-19 02:02:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-08-19 02:02:52,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 02:02:52,890 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-19 02:02:52,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 02:02:52,891 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 02:02:52,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 02:02:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1761514059, now seen corresponding path program 1 times [2020-08-19 02:02:52,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 02:02:52,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669224403] [2020-08-19 02:02:52,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 02:02:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 02:02:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:53,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 02:02:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:53,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-19 02:02:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-08-19 02:02:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 02:02:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 102 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2020-08-19 02:02:53,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669224403] [2020-08-19 02:02:53,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 02:02:53,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-19 02:02:53,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861102088] [2020-08-19 02:02:53,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 02:02:53,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 02:02:53,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 02:02:53,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 02:02:53,283 INFO L87 Difference]: Start difference. First operand 2628 states and 3120 transitions. Second operand 5 states. [2020-08-19 02:02:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 02:02:54,907 INFO L93 Difference]: Finished difference Result 6000 states and 7246 transitions. [2020-08-19 02:02:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 02:02:54,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 373 [2020-08-19 02:02:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 02:02:54,912 INFO L225 Difference]: With dead ends: 6000 [2020-08-19 02:02:54,912 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 02:02:54,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-19 02:02:54,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 02:02:54,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 02:02:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 02:02:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 02:02:54,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-08-19 02:02:54,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 02:02:54,924 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 02:02:54,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 02:02:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 02:02:54,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 02:02:54,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 02:02:54,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 02:02:55,220 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2020-08-19 02:02:55,341 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2020-08-19 02:02:55,950 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 35 [2020-08-19 02:02:56,213 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-08-19 02:02:56,436 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2020-08-19 02:02:56,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:02:56,441 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)|)) [2020-08-19 02:02:56,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:02:56,441 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-19 02:02:56,442 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,443 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,444 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-19 02:02:56,444 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-19 02:02:56,444 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-19 02:02:56,444 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-19 02:02:56,444 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-19 02:02:56,445 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-19 02:02:56,445 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-19 02:02:56,446 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-19 02:02:56,448 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-19 02:02:56,448 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-19 02:02:56,450 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-19 02:02:56,450 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-19 02:02:56,451 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-19 02:02:56,452 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-19 02:02:56,453 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-19 02:02:56,453 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-19 02:02:56,454 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-19 02:02:56,455 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,456 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,456 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,456 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,456 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-19 02:02:56,457 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,458 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,459 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-19 02:02:56,461 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a15~0)| 8))) (.cse0 (and (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a15~0 |old(~a15~0)|)))) (and (or .cse0 (and (or (= 8 |old(~a21~0)|) .cse1) (or .cse1 (= 6 |old(~a15~0)|)))) (or .cse0 .cse1 (not (<= 12 |old(~a12~0)|))) (or .cse0 (not (<= 8 |old(~a15~0)|)) (= 10 |old(~a15~0)|)))) [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,462 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,463 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,464 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-19 02:02:56,465 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-19 02:02:56,466 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-19 02:02:56,469 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,470 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-19 02:02:56,471 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-19 02:02:56,472 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-19 02:02:56,473 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-19 02:02:56,474 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-19 02:02:56,475 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-19 02:02:56,476 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 02:02:56,478 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-19 02:02:56,479 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-19 02:02:56,480 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-19 02:02:56,481 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-19 02:02:56,482 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,483 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-19 02:02:56,484 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-19 02:02:56,485 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 02:02:56,486 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) (not (= ~a21~0 8))) [2020-08-19 02:02:56,487 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 02:02:56,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 02:02:56,487 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (= 8 |old(~a21~0)|) (not (<= 8 |old(~a15~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (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)|))) [2020-08-19 02:02:56,488 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-19 02:02:56,488 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8))) (or (= 8 |old(~a21~0)|) (and .cse0 (not (= ~a21~0 8))) (not (<= 8 |old(~a15~0)|)) (and (<= 12 ~a12~0) .cse0) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse0))) [2020-08-19 02:02:56,489 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-19 02:02:56,489 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-19 02:02:56,489 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 8))) (or (= 8 |old(~a21~0)|) (and .cse0 (not (= ~a21~0 8))) (not (<= 8 |old(~a15~0)|)) (and (<= 12 ~a12~0) .cse0) (and (<= 8 ~a15~0) (not (= ~a15~0 10))) (not (<= |old(~a15~0)| 8)) (not (<= 7 |old(~a21~0)|)) (not (<= (+ |old(~a12~0)| 49) 0)) (and (not (= ~a15~0 6)) .cse0))) [2020-08-19 02:02:56,489 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-19 02:02:56,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 02:02:56 BoogieIcfgContainer [2020-08-19 02:02:56,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 02:02:56,524 INFO L168 Benchmark]: Toolchain (without parser) took 24464.76 ms. Allocated memory was 141.0 MB in the beginning and 524.3 MB in the end (delta: 383.3 MB). Free memory was 102.2 MB in the beginning and 399.8 MB in the end (delta: -297.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:56,530 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-19 02:02:56,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 926.05 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.0 MB in the beginning and 168.8 MB in the end (delta: -66.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:56,532 INFO L168 Benchmark]: Boogie Preprocessor took 139.63 ms. Allocated memory is still 206.6 MB. Free memory was 168.8 MB in the beginning and 163.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:56,533 INFO L168 Benchmark]: RCFGBuilder took 1651.73 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 163.2 MB in the beginning and 154.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:56,536 INFO L168 Benchmark]: TraceAbstraction took 21742.71 ms. Allocated memory was 238.6 MB in the beginning and 524.3 MB in the end (delta: 285.7 MB). Free memory was 154.4 MB in the beginning and 399.8 MB in the end (delta: -245.4 MB). Peak memory consumption was 356.3 MB. Max. memory is 7.1 GB. [2020-08-19 02:02:56,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 926.05 ms. Allocated memory was 141.0 MB in the beginning and 206.6 MB in the end (delta: 65.5 MB). Free memory was 102.0 MB in the beginning and 168.8 MB in the end (delta: -66.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.63 ms. Allocated memory is still 206.6 MB. Free memory was 168.8 MB in the beginning and 163.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1651.73 ms. Allocated memory was 206.6 MB in the beginning and 238.6 MB in the end (delta: 32.0 MB). Free memory was 163.2 MB in the beginning and 154.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21742.71 ms. Allocated memory was 238.6 MB in the beginning and 524.3 MB in the end (delta: 285.7 MB). Free memory was 154.4 MB in the beginning and 399.8 MB in the end (delta: -245.4 MB). Peak memory consumption was 356.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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(a21) || (a15 <= 8 && !(a21 == 8))) || !(8 <= \old(a15))) || (12 <= a12 && a15 <= 8)) || (8 <= a15 && !(a15 == 10))) || !(\old(a15) <= 8)) || !(7 <= \old(a21))) || !(\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: 20.0s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 212 SDtfs, 6817 SDslu, 255 SDs, 0 SdLazy, 9393 SolverSat, 2905 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2628occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 1208 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 112 NumberOfFragments, 270 HoareAnnotationTreeSize, 70 FomulaSimplifications, 29625 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7768 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1542 NumberOfCodeBlocks, 1542 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1383548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1134/1368 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...