/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:57:28,138 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 14:57:28,202 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 [2020-08-21 14:57:28,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:57:28,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:57:28,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:57:28,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:57:28,256 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:57:28,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:57:28,256 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:57:28,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:57:28,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:57:28,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:57:28,259 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:57:28,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:57:28,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:57:28,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:57:28,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:57:28,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:57:28,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:57:28,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:57:28,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:57:28,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:57:28,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:57:28,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:57:28,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:57:28,262 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:57:28,262 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:57:28,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:57:28,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:57:28,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:57:28,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:57:28,595 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:57:28,596 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-08-21 14:57:28,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8edc487e/9a41725fb06443b48642113fd8530293/FLAGa4599c409 [2020-08-21 14:57:29,302 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:57:29,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-08-21 14:57:29,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8edc487e/9a41725fb06443b48642113fd8530293/FLAGa4599c409 [2020-08-21 14:57:29,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8edc487e/9a41725fb06443b48642113fd8530293 [2020-08-21 14:57:29,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:57:29,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:57:29,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:57:29,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:57:29,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:57:29,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:57:29" (1/1) ... [2020-08-21 14:57:29,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605628e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:29, skipping insertion in model container [2020-08-21 14:57:29,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:57:29" (1/1) ... [2020-08-21 14:57:29,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:57:29,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:57:30,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:57:30,143 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:57:30,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:57:30,286 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:57:30,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30 WrapperNode [2020-08-21 14:57:30,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:57:30,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:57:30,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:57:30,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:57:30,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (1/1) ... [2020-08-21 14:57:30,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:57:30,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:57:30,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:57:30,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:57:30,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (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 [2020-08-21 14:57:30,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:57:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:57:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 14:57:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:57:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 14:57:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:57:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:57:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 14:57:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:57:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:57:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:57:31,760 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:57:31,761 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 14:57:31,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:57:31 BoogieIcfgContainer [2020-08-21 14:57:31,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:57:31,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:57:31,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:57:31,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:57:31,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:57:29" (1/3) ... [2020-08-21 14:57:31,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c44f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:57:31, skipping insertion in model container [2020-08-21 14:57:31,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:57:30" (2/3) ... [2020-08-21 14:57:31,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c44f1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:57:31, skipping insertion in model container [2020-08-21 14:57:31,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:57:31" (3/3) ... [2020-08-21 14:57:31,776 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-08-21 14:57:31,788 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:57:31,796 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:57:31,811 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:57:31,838 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:57:31,839 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:57:31,839 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:57:31,839 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:57:31,839 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:57:31,839 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:57:31,840 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:57:31,840 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:57:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-21 14:57:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-08-21 14:57:31,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:31,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:31,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:31,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:31,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-08-21 14:57:31,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:31,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325659003] [2020-08-21 14:57:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:57:32,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325659003] [2020-08-21 14:57:32,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:57:32,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:57:32,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590525993] [2020-08-21 14:57:32,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:57:32,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:32,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:57:32,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:57:32,482 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-21 14:57:34,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:34,733 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-08-21 14:57:34,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:57:34,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-08-21 14:57:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:34,755 INFO L225 Difference]: With dead ends: 698 [2020-08-21 14:57:34,755 INFO L226 Difference]: Without dead ends: 423 [2020-08-21 14:57:34,764 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 [2020-08-21 14:57:34,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-21 14:57:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-21 14:57:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-21 14:57:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 603 transitions. [2020-08-21 14:57:34,860 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 603 transitions. Word has length 115 [2020-08-21 14:57:34,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:34,861 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 603 transitions. [2020-08-21 14:57:34,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:57:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 603 transitions. [2020-08-21 14:57:34,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-08-21 14:57:34,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:34,868 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:34,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:57:34,869 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash 508544498, now seen corresponding path program 1 times [2020-08-21 14:57:34,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:34,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789225512] [2020-08-21 14:57:34,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:35,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:57:35,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789225512] [2020-08-21 14:57:35,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:35,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 14:57:35,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211219700] [2020-08-21 14:57:35,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 14:57:35,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:35,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 14:57:35,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:57:35,244 INFO L87 Difference]: Start difference. First operand 417 states and 603 transitions. Second operand 6 states. [2020-08-21 14:57:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:36,874 INFO L93 Difference]: Finished difference Result 1519 states and 2242 transitions. [2020-08-21 14:57:36,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:57:36,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-08-21 14:57:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:36,890 INFO L225 Difference]: With dead ends: 1519 [2020-08-21 14:57:36,890 INFO L226 Difference]: Without dead ends: 1108 [2020-08-21 14:57:36,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-08-21 14:57:36,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-08-21 14:57:36,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 695. [2020-08-21 14:57:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-08-21 14:57:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 992 transitions. [2020-08-21 14:57:36,958 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 992 transitions. Word has length 132 [2020-08-21 14:57:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:36,959 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 992 transitions. [2020-08-21 14:57:36,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 14:57:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 992 transitions. [2020-08-21 14:57:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-08-21 14:57:36,966 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:36,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:36,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:57:36,967 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:36,968 INFO L82 PathProgramCache]: Analyzing trace with hash -469327528, now seen corresponding path program 1 times [2020-08-21 14:57:36,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:36,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341531649] [2020-08-21 14:57:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:37,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 14:57:37,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341531649] [2020-08-21 14:57:37,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:37,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 14:57:37,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457637000] [2020-08-21 14:57:37,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:57:37,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:37,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:57:37,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:57:37,229 INFO L87 Difference]: Start difference. First operand 695 states and 992 transitions. Second operand 5 states. [2020-08-21 14:57:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:38,367 INFO L93 Difference]: Finished difference Result 2077 states and 3027 transitions. [2020-08-21 14:57:38,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 14:57:38,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-08-21 14:57:38,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:38,379 INFO L225 Difference]: With dead ends: 2077 [2020-08-21 14:57:38,379 INFO L226 Difference]: Without dead ends: 1388 [2020-08-21 14:57:38,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 14:57:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-08-21 14:57:38,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1106. [2020-08-21 14:57:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1106 states. [2020-08-21 14:57:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1479 transitions. [2020-08-21 14:57:38,446 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1479 transitions. Word has length 149 [2020-08-21 14:57:38,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:38,446 INFO L479 AbstractCegarLoop]: Abstraction has 1106 states and 1479 transitions. [2020-08-21 14:57:38,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:57:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1479 transitions. [2020-08-21 14:57:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-08-21 14:57:38,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:38,453 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:38,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:57:38,454 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:38,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:38,454 INFO L82 PathProgramCache]: Analyzing trace with hash -425921661, now seen corresponding path program 1 times [2020-08-21 14:57:38,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:38,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266558398] [2020-08-21 14:57:38,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 14:57:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:57:38,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266558398] [2020-08-21 14:57:38,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:38,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:57:38,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083478629] [2020-08-21 14:57:38,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:57:38,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:38,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:57:38,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:57:38,731 INFO L87 Difference]: Start difference. First operand 1106 states and 1479 transitions. Second operand 7 states. [2020-08-21 14:57:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:40,042 INFO L93 Difference]: Finished difference Result 2520 states and 3457 transitions. [2020-08-21 14:57:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 14:57:40,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-08-21 14:57:40,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:40,056 INFO L225 Difference]: With dead ends: 2520 [2020-08-21 14:57:40,057 INFO L226 Difference]: Without dead ends: 1420 [2020-08-21 14:57:40,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-21 14:57:40,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2020-08-21 14:57:40,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1116. [2020-08-21 14:57:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-08-21 14:57:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1466 transitions. [2020-08-21 14:57:40,127 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1466 transitions. Word has length 171 [2020-08-21 14:57:40,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:40,127 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1466 transitions. [2020-08-21 14:57:40,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:57:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1466 transitions. [2020-08-21 14:57:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-08-21 14:57:40,133 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:40,133 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:40,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:57:40,134 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:40,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:40,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1098584007, now seen corresponding path program 1 times [2020-08-21 14:57:40,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:40,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1030440090] [2020-08-21 14:57:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 14:57:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 14:57:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-21 14:57:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 26 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 14:57:40,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1030440090] [2020-08-21 14:57:40,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:40,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:57:40,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052160846] [2020-08-21 14:57:40,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:57:40,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:40,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:57:40,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:57:40,455 INFO L87 Difference]: Start difference. First operand 1116 states and 1466 transitions. Second operand 7 states. [2020-08-21 14:57:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:41,958 INFO L93 Difference]: Finished difference Result 2971 states and 3993 transitions. [2020-08-21 14:57:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:57:41,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 215 [2020-08-21 14:57:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:41,969 INFO L225 Difference]: With dead ends: 2971 [2020-08-21 14:57:41,970 INFO L226 Difference]: Without dead ends: 1861 [2020-08-21 14:57:41,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:57:41,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2020-08-21 14:57:42,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1561. [2020-08-21 14:57:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1561 states. [2020-08-21 14:57:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 1997 transitions. [2020-08-21 14:57:42,029 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 1997 transitions. Word has length 215 [2020-08-21 14:57:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:42,030 INFO L479 AbstractCegarLoop]: Abstraction has 1561 states and 1997 transitions. [2020-08-21 14:57:42,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:57:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1997 transitions. [2020-08-21 14:57:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-08-21 14:57:42,037 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:42,038 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:42,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:57:42,038 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:42,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:42,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1678805504, now seen corresponding path program 1 times [2020-08-21 14:57:42,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:42,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187552557] [2020-08-21 14:57:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:57:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:57:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 14:57:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-21 14:57:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 125 proven. 60 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-08-21 14:57:42,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187552557] [2020-08-21 14:57:42,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:42,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:57:42,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160771879] [2020-08-21 14:57:42,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:57:42,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:42,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:57:42,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:57:42,392 INFO L87 Difference]: Start difference. First operand 1561 states and 1997 transitions. Second operand 7 states. [2020-08-21 14:57:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:44,188 INFO L93 Difference]: Finished difference Result 4288 states and 5737 transitions. [2020-08-21 14:57:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:57:44,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-08-21 14:57:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:44,206 INFO L225 Difference]: With dead ends: 4288 [2020-08-21 14:57:44,207 INFO L226 Difference]: Without dead ends: 2733 [2020-08-21 14:57:44,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:57:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2733 states. [2020-08-21 14:57:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2733 to 2562. [2020-08-21 14:57:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-08-21 14:57:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3291 transitions. [2020-08-21 14:57:44,298 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3291 transitions. Word has length 238 [2020-08-21 14:57:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:44,298 INFO L479 AbstractCegarLoop]: Abstraction has 2562 states and 3291 transitions. [2020-08-21 14:57:44,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:57:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3291 transitions. [2020-08-21 14:57:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-08-21 14:57:44,309 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:44,309 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:44,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:57:44,310 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:44,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:44,310 INFO L82 PathProgramCache]: Analyzing trace with hash 322431195, now seen corresponding path program 1 times [2020-08-21 14:57:44,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:44,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607878029] [2020-08-21 14:57:44,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 14:57:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 14:57:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-21 14:57:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 130 proven. 26 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2020-08-21 14:57:44,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607878029] [2020-08-21 14:57:44,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:44,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:57:44,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441413783] [2020-08-21 14:57:44,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:57:44,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:44,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:57:44,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:57:44,635 INFO L87 Difference]: Start difference. First operand 2562 states and 3291 transitions. Second operand 7 states. [2020-08-21 14:57:46,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:46,063 INFO L93 Difference]: Finished difference Result 6093 states and 7898 transitions. [2020-08-21 14:57:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:57:46,063 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-08-21 14:57:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:46,084 INFO L225 Difference]: With dead ends: 6093 [2020-08-21 14:57:46,084 INFO L226 Difference]: Without dead ends: 3537 [2020-08-21 14:57:46,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:57:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2020-08-21 14:57:46,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3531. [2020-08-21 14:57:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3531 states. [2020-08-21 14:57:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3531 states and 4406 transitions. [2020-08-21 14:57:46,202 INFO L78 Accepts]: Start accepts. Automaton has 3531 states and 4406 transitions. Word has length 237 [2020-08-21 14:57:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:46,202 INFO L479 AbstractCegarLoop]: Abstraction has 3531 states and 4406 transitions. [2020-08-21 14:57:46,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:57:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3531 states and 4406 transitions. [2020-08-21 14:57:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-21 14:57:46,216 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:46,216 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:46,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:57:46,217 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:46,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:46,217 INFO L82 PathProgramCache]: Analyzing trace with hash 255004558, now seen corresponding path program 1 times [2020-08-21 14:57:46,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:46,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381500828] [2020-08-21 14:57:46,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-08-21 14:57:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 14:57:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-21 14:57:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-21 14:57:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 172 proven. 82 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-21 14:57:46,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381500828] [2020-08-21 14:57:46,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:46,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 14:57:46,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900623134] [2020-08-21 14:57:46,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:57:46,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:46,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:57:46,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:57:46,609 INFO L87 Difference]: Start difference. First operand 3531 states and 4406 transitions. Second operand 7 states. [2020-08-21 14:57:48,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:48,131 INFO L93 Difference]: Finished difference Result 7481 states and 9433 transitions. [2020-08-21 14:57:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 14:57:48,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 274 [2020-08-21 14:57:48,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:48,150 INFO L225 Difference]: With dead ends: 7481 [2020-08-21 14:57:48,153 INFO L226 Difference]: Without dead ends: 3956 [2020-08-21 14:57:48,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:57:48,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2020-08-21 14:57:48,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3950. [2020-08-21 14:57:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3950 states. [2020-08-21 14:57:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3950 states and 4873 transitions. [2020-08-21 14:57:48,274 INFO L78 Accepts]: Start accepts. Automaton has 3950 states and 4873 transitions. Word has length 274 [2020-08-21 14:57:48,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:48,275 INFO L479 AbstractCegarLoop]: Abstraction has 3950 states and 4873 transitions. [2020-08-21 14:57:48,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:57:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3950 states and 4873 transitions. [2020-08-21 14:57:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-08-21 14:57:48,292 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:57:48,292 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:57:48,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 14:57:48,292 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:57:48,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:57:48,293 INFO L82 PathProgramCache]: Analyzing trace with hash 367016682, now seen corresponding path program 1 times [2020-08-21 14:57:48,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:57:48,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018525867] [2020-08-21 14:57:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:57:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:57:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 14:57:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 14:57:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 14:57:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-21 14:57:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-21 14:57:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:57:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 197 proven. 85 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2020-08-21 14:57:48,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018525867] [2020-08-21 14:57:48,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:57:48,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 14:57:48,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260952698] [2020-08-21 14:57:48,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:57:48,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:57:48,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:57:48,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:57:48,635 INFO L87 Difference]: Start difference. First operand 3950 states and 4873 transitions. Second operand 9 states. [2020-08-21 14:57:53,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:57:53,026 INFO L93 Difference]: Finished difference Result 10546 states and 13498 transitions. [2020-08-21 14:57:53,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 14:57:53,027 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 288 [2020-08-21 14:57:53,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:57:53,027 INFO L225 Difference]: With dead ends: 10546 [2020-08-21 14:57:53,027 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:57:53,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2020-08-21 14:57:53,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:57:53,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:57:53,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:57:53,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:57:53,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 288 [2020-08-21 14:57:53,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:57:53,053 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:57:53,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:57:53,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:57:53,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:57:53,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 14:57:53,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:57:54,440 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 122 [2020-08-21 14:57:54,648 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 122 [2020-08-21 14:57:55,557 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 61 [2020-08-21 14:57:55,876 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2020-08-21 14:57:56,146 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2020-08-21 14:57:56,151 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:57:56,152 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-21 14:57:56,152 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:57:56,152 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-21 14:57:56,153 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-21 14:57:56,153 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,153 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,153 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,153 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 14:57:56,154 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,155 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-21 14:57:56,156 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-21 14:57:56,157 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,158 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-21 14:57:56,159 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,160 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-21 14:57:56,161 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,162 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-21 14:57:56,163 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,164 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-21 14:57:56,165 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-21 14:57:56,166 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,167 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-21 14:57:56,168 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-21 14:57:56,189 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-21 14:57:56,190 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-21 14:57:56,191 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-21 14:57:56,192 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a8~0 |old(~a8~0)|))) (let ((.cse8 (= ~a21~0 1)) (.cse5 (= 5 ~a16~0)) (.cse6 (not (= 5 |old(~a16~0)|))) (.cse13 (= ~a17~0 1)) (.cse12 (not (= |old(~a17~0)| 1))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse10 (not (= |old(~a20~0)| 1))) (.cse14 (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse4)) (.cse7 (not (= |old(~a21~0)| 1)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or (and .cse1 .cse0 .cse8 .cse3 .cse4 (= ~a16~0 4)) .cse9 .cse10 .cse7 (not (= 4 |old(~a16~0)|))) (or .cse9 (not (= 6 |old(~a16~0)|)) .cse10 (and .cse1 .cse0 .cse8 .cse3 .cse11 .cse4) .cse7) (or .cse12 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse13) .cse6) (or .cse14 (= 14 |old(~a8~0)|)) (or (and .cse1 .cse2 .cse3 .cse11 .cse4 .cse13) .cse12 .cse9 .cse10 .cse7) (or .cse14 .cse7 (not (<= |old(~a20~0)| 0)))))) [2020-08-21 14:57:56,192 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-21 14:57:56,192 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,193 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-21 14:57:56,194 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-21 14:57:56,195 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-21 14:57:56,196 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,197 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-21 14:57:56,198 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:57:56,199 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (<= ~a7~0 0) (= ~a20~0 1) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-21 14:57:56,200 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:57:56,200 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:57:56,200 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1))) [2020-08-21 14:57:56,200 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-21 14:57:56,200 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 5 ~a16~0)) (.cse0 (= ~a21~0 1)) (.cse2 (<= ~a7~0 0)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse0 (<= ~a20~0 0)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 14 ~a8~0)) (and .cse1 (= ~a17~0 1)) (and .cse0 (= ~a16~0 6) .cse2 .cse3) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse2 .cse3 (= ~a16~0 4)) (not (= |old(~a21~0)| 1)))) [2020-08-21 14:57:56,200 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-21 14:57:56,201 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 14:57:56,201 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 5 ~a16~0)) (.cse0 (= ~a21~0 1)) (.cse2 (<= ~a7~0 0)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1) (not (= |old(~a17~0)| 1)) (and .cse0 (<= ~a20~0 0)) (not (<= |old(~a7~0)| 0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 14 ~a8~0)) (and .cse1 (= ~a17~0 1)) (and .cse0 (= ~a16~0 6) .cse2 .cse3) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse2 .cse3 (= ~a16~0 4)) (not (= |old(~a21~0)| 1)))) [2020-08-21 14:57:56,201 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-21 14:57:56,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:57:56 BoogieIcfgContainer [2020-08-21 14:57:56,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:57:56,226 INFO L168 Benchmark]: Toolchain (without parser) took 26678.87 ms. Allocated memory was 141.6 MB in the beginning and 625.0 MB in the end (delta: 483.4 MB). Free memory was 103.2 MB in the beginning and 567.1 MB in the end (delta: -463.9 MB). Peak memory consumption was 462.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,227 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.39 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 172.4 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,228 INFO L168 Benchmark]: Boogie Preprocessor took 113.93 ms. Allocated memory is still 206.6 MB. Free memory was 172.4 MB in the beginning and 166.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,229 INFO L168 Benchmark]: RCFGBuilder took 1365.18 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 166.9 MB in the beginning and 175.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,230 INFO L168 Benchmark]: TraceAbstraction took 24455.20 ms. Allocated memory was 237.5 MB in the beginning and 625.0 MB in the end (delta: 387.4 MB). Free memory was 175.7 MB in the beginning and 567.1 MB in the end (delta: -391.4 MB). Peak memory consumption was 438.7 MB. Max. memory is 7.1 GB. [2020-08-21 14:57:56,233 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 739.39 ms. Allocated memory was 141.6 MB in the beginning and 206.6 MB in the end (delta: 65.0 MB). Free memory was 103.0 MB in the beginning and 172.4 MB in the end (delta: -69.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.93 ms. Allocated memory is still 206.6 MB. Free memory was 172.4 MB in the beginning and 166.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1365.18 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 166.9 MB in the beginning and 175.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24455.20 ms. Allocated memory was 237.5 MB in the beginning and 625.0 MB in the end (delta: 387.4 MB). Free memory was 175.7 MB in the beginning and 567.1 MB in the end (delta: -391.4 MB). Peak memory consumption was 438.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((a21 == 1 && 5 == a16) || !(\old(a17) == 1)) || (a21 == 1 && a20 <= 0)) || !(\old(a7) <= 0)) || !(15 <= \old(a8))) || !(\old(a20) == 1)) || !(14 == a8)) || (5 == a16 && a17 == 1)) || (((a21 == 1 && a16 == 6) && a7 <= 0) && a20 == 1)) || !(5 == \old(a16))) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a16 == 4)) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 4517 SDslu, 416 SDs, 0 SdLazy, 9063 SolverSat, 1771 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3950occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 1488 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 189 PreInvPairs, 343 NumberOfFragments, 490 HoareAnnotationTreeSize, 189 FomulaSimplifications, 241377 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8571 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1819 NumberOfCodeBlocks, 1819 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 866385 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1295/1578 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...