/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:57:27,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:57:27,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:57:27,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:57:27,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:57:27,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:57:27,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:57:27,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 18:57:27,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:57:27,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:57:27,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:57:27,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:57:27,784 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:57:27,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:57:27,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:57:27,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:57:27,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:57:27,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:57:27,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:57:27,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:57:27,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:57:27,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:57:27,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:57:27,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:57:27,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:57:27,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:57:27,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:57:27,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:57:27,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:57:27,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:57:27,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:57:27,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:57:28,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:57:28,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:57:28,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:57:28,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:57:28,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:57:28,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-11-06 18:57:28,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cca32f73/7daa22a70a9a48cdb2e01dece2aeb361/FLAGfa284b243 [2019-11-06 18:57:28,702 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:57:28,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label59.c [2019-11-06 18:57:28,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cca32f73/7daa22a70a9a48cdb2e01dece2aeb361/FLAGfa284b243 [2019-11-06 18:57:29,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cca32f73/7daa22a70a9a48cdb2e01dece2aeb361 [2019-11-06 18:57:29,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:57:29,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:57:29,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:57:29,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:57:29,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:57:29,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373e4cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29, skipping insertion in model container [2019-11-06 18:57:29,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,041 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:57:29,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:57:29,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:57:29,666 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:57:29,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:57:29,805 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:57:29,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29 WrapperNode [2019-11-06 18:57:29,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:57:29,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:57:29,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:57:29,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:57:29,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... [2019-11-06 18:57:29,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:57:29,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:57:29,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:57:29,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:57:29,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-06 18:57:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:57:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:57:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:57:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:57:29,985 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:57:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:57:31,196 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:57:31,199 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:57:31,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:57:31 BoogieIcfgContainer [2019-11-06 18:57:31,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:57:31,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:57:31,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:57:31,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:57:31,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:57:29" (1/3) ... [2019-11-06 18:57:31,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9f347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:57:31, skipping insertion in model container [2019-11-06 18:57:31,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:29" (2/3) ... [2019-11-06 18:57:31,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9f347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:57:31, skipping insertion in model container [2019-11-06 18:57:31,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:57:31" (3/3) ... [2019-11-06 18:57:31,225 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2019-11-06 18:57:31,238 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:57:31,249 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:57:31,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:57:31,308 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:57:31,308 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:57:31,308 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:57:31,308 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:57:31,309 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:57:31,309 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:57:31,309 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:57:31,309 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:57:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 18:57:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-06 18:57:31,361 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:31,363 INFO L410 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] [2019-11-06 18:57:31,366 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:31,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1907034097, now seen corresponding path program 1 times [2019-11-06 18:57:31,383 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:31,383 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095756664] [2019-11-06 18:57:31,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:32,002 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095756664] [2019-11-06 18:57:32,003 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:57:32,003 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:57:32,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211128835] [2019-11-06 18:57:32,014 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:57:32,015 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:32,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:57:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:57:32,036 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-11-06 18:57:33,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:33,577 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2019-11-06 18:57:33,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 18:57:33,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-11-06 18:57:33,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:33,598 INFO L225 Difference]: With dead ends: 557 [2019-11-06 18:57:33,598 INFO L226 Difference]: Without dead ends: 286 [2019-11-06 18:57:33,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:57:33,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-06 18:57:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2019-11-06 18:57:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-11-06 18:57:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2019-11-06 18:57:33,691 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 95 [2019-11-06 18:57:33,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:33,694 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2019-11-06 18:57:33,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:57:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2019-11-06 18:57:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-06 18:57:33,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:33,702 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:33,702 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:33,703 INFO L82 PathProgramCache]: Analyzing trace with hash -2120846440, now seen corresponding path program 1 times [2019-11-06 18:57:33,703 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:33,703 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853070266] [2019-11-06 18:57:33,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:33,973 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853070266] [2019-11-06 18:57:33,973 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:57:33,974 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:57:33,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761353126] [2019-11-06 18:57:33,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:57:33,979 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:33,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:57:33,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:57:33,980 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2019-11-06 18:57:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:35,530 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2019-11-06 18:57:35,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 18:57:35,531 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2019-11-06 18:57:35,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:35,536 INFO L225 Difference]: With dead ends: 713 [2019-11-06 18:57:35,536 INFO L226 Difference]: Without dead ends: 439 [2019-11-06 18:57:35,538 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:57:35,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-11-06 18:57:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2019-11-06 18:57:35,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-06 18:57:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2019-11-06 18:57:35,588 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 105 [2019-11-06 18:57:35,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:35,589 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2019-11-06 18:57:35,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:57:35,589 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2019-11-06 18:57:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-06 18:57:35,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:35,593 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:35,593 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:35,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:35,593 INFO L82 PathProgramCache]: Analyzing trace with hash -588378602, now seen corresponding path program 1 times [2019-11-06 18:57:35,594 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:35,594 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490607959] [2019-11-06 18:57:35,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:35,893 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490607959] [2019-11-06 18:57:35,894 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882060686] [2019-11-06 18:57:35,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:36,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:57:36,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:57:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:36,074 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:57:36,075 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2019-11-06 18:57:36,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512692810] [2019-11-06 18:57:36,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:57:36,079 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:36,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:57:36,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:57:36,080 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2019-11-06 18:57:36,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:36,658 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2019-11-06 18:57:36,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:57:36,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-11-06 18:57:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:36,666 INFO L225 Difference]: With dead ends: 1247 [2019-11-06 18:57:36,666 INFO L226 Difference]: Without dead ends: 832 [2019-11-06 18:57:36,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:57:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-11-06 18:57:36,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2019-11-06 18:57:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2019-11-06 18:57:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2019-11-06 18:57:36,714 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 106 [2019-11-06 18:57:36,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:36,716 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2019-11-06 18:57:36,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:57:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2019-11-06 18:57:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-06 18:57:36,729 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:36,729 INFO L410 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] [2019-11-06 18:57:36,930 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:36,931 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:36,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:36,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890910, now seen corresponding path program 1 times [2019-11-06 18:57:36,932 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:36,932 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290158038] [2019-11-06 18:57:36,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:37,157 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290158038] [2019-11-06 18:57:37,158 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293951660] [2019-11-06 18:57:37,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:37,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:57:37,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:57:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:37,314 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:57:37,314 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:57:37,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341239047] [2019-11-06 18:57:37,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:57:37,316 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:37,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:57:37,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:57:37,316 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2019-11-06 18:57:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:37,863 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions. [2019-11-06 18:57:37,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:57:37,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-11-06 18:57:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:37,873 INFO L225 Difference]: With dead ends: 2343 [2019-11-06 18:57:37,873 INFO L226 Difference]: Without dead ends: 1517 [2019-11-06 18:57:37,876 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:57:37,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2019-11-06 18:57:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2019-11-06 18:57:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states. [2019-11-06 18:57:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions. [2019-11-06 18:57:37,935 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 112 [2019-11-06 18:57:37,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:37,936 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions. [2019-11-06 18:57:37,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:57:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions. [2019-11-06 18:57:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-06 18:57:37,941 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:37,942 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:38,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:38,149 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1483997624, now seen corresponding path program 1 times [2019-11-06 18:57:38,149 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:38,150 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439487367] [2019-11-06 18:57:38,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:38,358 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439487367] [2019-11-06 18:57:38,358 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442846314] [2019-11-06 18:57:38,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:38,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-06 18:57:38,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:57:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:38,554 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:57:38,554 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2019-11-06 18:57:38,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327474758] [2019-11-06 18:57:38,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:57:38,555 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:38,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:57:38,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:57:38,556 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 5 states. [2019-11-06 18:57:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:39,334 INFO L93 Difference]: Finished difference Result 4194 states and 5867 transitions. [2019-11-06 18:57:39,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 18:57:39,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2019-11-06 18:57:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:39,368 INFO L225 Difference]: With dead ends: 4194 [2019-11-06 18:57:39,368 INFO L226 Difference]: Without dead ends: 2683 [2019-11-06 18:57:39,374 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:57:39,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2019-11-06 18:57:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2647. [2019-11-06 18:57:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2647 states. [2019-11-06 18:57:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3559 transitions. [2019-11-06 18:57:39,573 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3559 transitions. Word has length 121 [2019-11-06 18:57:39,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:39,574 INFO L462 AbstractCegarLoop]: Abstraction has 2647 states and 3559 transitions. [2019-11-06 18:57:39,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:57:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3559 transitions. [2019-11-06 18:57:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-06 18:57:39,590 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:39,591 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:39,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:39,805 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:39,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1499758397, now seen corresponding path program 1 times [2019-11-06 18:57:39,805 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:39,806 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370032310] [2019-11-06 18:57:39,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:57:40,038 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370032310] [2019-11-06 18:57:40,038 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493947108] [2019-11-06 18:57:40,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:40,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 18:57:40,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:57:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:57:40,200 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:57:40,200 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-11-06 18:57:40,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695731188] [2019-11-06 18:57:40,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 18:57:40,201 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:40,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 18:57:40,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-06 18:57:40,202 INFO L87 Difference]: Start difference. First operand 2647 states and 3559 transitions. Second operand 10 states. [2019-11-06 18:57:42,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:42,475 INFO L93 Difference]: Finished difference Result 5200 states and 7711 transitions. [2019-11-06 18:57:42,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-06 18:57:42,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2019-11-06 18:57:42,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:42,494 INFO L225 Difference]: With dead ends: 5200 [2019-11-06 18:57:42,494 INFO L226 Difference]: Without dead ends: 2694 [2019-11-06 18:57:42,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2019-11-06 18:57:42,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2019-11-06 18:57:42,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2294. [2019-11-06 18:57:42,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2294 states. [2019-11-06 18:57:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 2294 states and 2866 transitions. [2019-11-06 18:57:42,604 INFO L78 Accepts]: Start accepts. Automaton has 2294 states and 2866 transitions. Word has length 129 [2019-11-06 18:57:42,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:42,605 INFO L462 AbstractCegarLoop]: Abstraction has 2294 states and 2866 transitions. [2019-11-06 18:57:42,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 18:57:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2866 transitions. [2019-11-06 18:57:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 18:57:42,612 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:42,612 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:42,816 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:42,816 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:42,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:42,817 INFO L82 PathProgramCache]: Analyzing trace with hash 19681692, now seen corresponding path program 1 times [2019-11-06 18:57:42,817 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:42,818 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974143595] [2019-11-06 18:57:42,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:43,041 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974143595] [2019-11-06 18:57:43,041 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:57:43,041 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:57:43,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636497815] [2019-11-06 18:57:43,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:57:43,042 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:43,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:57:43,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:57:43,043 INFO L87 Difference]: Start difference. First operand 2294 states and 2866 transitions. Second operand 9 states. [2019-11-06 18:57:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:44,835 INFO L93 Difference]: Finished difference Result 6020 states and 7727 transitions. [2019-11-06 18:57:44,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-06 18:57:44,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2019-11-06 18:57:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:44,854 INFO L225 Difference]: With dead ends: 6020 [2019-11-06 18:57:44,854 INFO L226 Difference]: Without dead ends: 3867 [2019-11-06 18:57:44,861 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-06 18:57:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3867 states. [2019-11-06 18:57:44,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3867 to 3692. [2019-11-06 18:57:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3692 states. [2019-11-06 18:57:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 4346 transitions. [2019-11-06 18:57:44,966 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 4346 transitions. Word has length 139 [2019-11-06 18:57:44,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:44,967 INFO L462 AbstractCegarLoop]: Abstraction has 3692 states and 4346 transitions. [2019-11-06 18:57:44,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:57:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 4346 transitions. [2019-11-06 18:57:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-06 18:57:44,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:44,976 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:44,977 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1721648861, now seen corresponding path program 1 times [2019-11-06 18:57:44,977 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:44,977 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970908361] [2019-11-06 18:57:44,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:57:45,223 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970908361] [2019-11-06 18:57:45,223 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939011685] [2019-11-06 18:57:45,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:45,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:57:45,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:57:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 18:57:45,439 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:57:45,439 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-11-06 18:57:45,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952277344] [2019-11-06 18:57:45,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:57:45,441 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:45,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:57:45,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:57:45,442 INFO L87 Difference]: Start difference. First operand 3692 states and 4346 transitions. Second operand 3 states. [2019-11-06 18:57:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:57:46,106 INFO L93 Difference]: Finished difference Result 7916 states and 9394 transitions. [2019-11-06 18:57:46,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:57:46,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-06 18:57:46,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:57:46,107 INFO L225 Difference]: With dead ends: 7916 [2019-11-06 18:57:46,107 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:57:46,122 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:57:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:57:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:57:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:57:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:57:46,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-11-06 18:57:46,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:57:46,127 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:57:46,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:57:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:57:46,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:57:46,331 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:57:46,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:57:46,703 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-11-06 18:57:46,846 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 129 [2019-11-06 18:57:48,118 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 154 DAG size of output: 61 [2019-11-06 18:57:48,595 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-11-06 18:57:49,012 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2019-11-06 18:57:49,015 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:57:49,015 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,016 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 18:57:49,017 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,018 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 18:57:49,019 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 18:57:49,020 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,021 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 18:57:49,022 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 18:57:49,023 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 18:57:49,024 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,025 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 18:57:49,026 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,027 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,029 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,029 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,029 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 18:57:49,030 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,031 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 18:57:49,035 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,036 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 18:57:49,037 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 18:57:49,038 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a8~0 |old(~a8~0)|))) (let ((.cse10 (not (<= 5 |old(~a16~0)|))) (.cse8 (not (<= |old(~a8~0)| 14))) (.cse5 (not (<= |old(~a17~0)| 0))) (.cse0 (not (<= |old(~a8~0)| 13))) (.cse1 (not (= 1 |old(~a20~0)|))) (.cse7 (not (<= |old(~a7~0)| 0))) (.cse9 (= 1 |old(~a7~0)|)) (.cse4 (and .cse11 .cse13 .cse14 .cse12 .cse15 (= ~a20~0 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse6 (not (<= |old(~a20~0)| 0))) (.cse3 (not (= 1 |old(~a17~0)|)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse2 .cse5 .cse4 .cse6) (or .cse4 .cse1 .cse7 .cse5) (or .cse1 .cse2 .cse8 .cse7 .cse3 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse0 .cse1 .cse4 .cse5) (or .cse7 .cse4 .cse6 .cse3) (or .cse9 .cse10 .cse1 .cse4 .cse5) (or .cse10 .cse1 .cse2 .cse7 .cse4 .cse3) (or .cse4 .cse7 .cse5 .cse6) (or .cse10 .cse1 .cse2 .cse8 .cse5 .cse4) (or .cse0 .cse1 .cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15 (= ~a20~0 1)) .cse3) (or .cse9 .cse4 (or .cse2 .cse6 .cse3))))) [2019-11-06 18:57:49,039 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 18:57:49,040 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,040 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,040 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,040 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 18:57:49,041 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,042 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 18:57:49,043 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,044 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 18:57:49,045 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a17~0 1) (<= 5 ~a16~0) (= ~a20~0 1) (<= ~a7~0 0)) [2019-11-06 18:57:49,046 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= |old(~a7~0)| 0)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 1 |old(~a17~0)|))) [2019-11-06 18:57:49,046 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:57:49,046 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (not (= ~a7~0 1))) (.cse4 (<= 5 ~a16~0)) (.cse2 (= ~a20~0 1)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a17~0 1)) (.cse7 (<= ~a20~0 0)) (.cse8 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse7 .cse8) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse6 .cse2 .cse8) (and .cse1 .cse2 .cse8) (and .cse3 .cse5 .cse6 .cse7) (and (and .cse5 .cse1 .cse4 .cse2) .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse8) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse1 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse7 .cse8))) [2019-11-06 18:57:49,047 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 18:57:49,047 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 18:57:49,047 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse3 (not (= ~a7~0 1))) (.cse4 (<= 5 ~a16~0)) (.cse2 (= ~a20~0 1)) (.cse9 (<= ~a8~0 14)) (.cse5 (<= ~a16~0 5)) (.cse1 (<= ~a17~0 0)) (.cse6 (= ~a17~0 1)) (.cse7 (<= ~a20~0 0)) (.cse8 (<= ~a7~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse6 .cse2) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse7 .cse8) (not (<= |old(~a7~0)| 0)) (and .cse0 .cse6 .cse2 .cse8) (and .cse1 .cse2 .cse8) (and .cse3 .cse5 .cse6 .cse7) (and (and .cse5 .cse1 .cse4 .cse2) .cse9) (and .cse5 .cse6 .cse2 .cse9 .cse8) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse1 .cse7) (not (<= |old(~a16~0)| 5)) (and .cse6 .cse7 .cse8))) [2019-11-06 18:57:49,047 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:57:49,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:57:49 BoogieIcfgContainer [2019-11-06 18:57:49,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:57:49,070 INFO L168 Benchmark]: Toolchain (without parser) took 20044.88 ms. Allocated memory was 144.2 MB in the beginning and 495.5 MB in the end (delta: 351.3 MB). Free memory was 101.1 MB in the beginning and 301.8 MB in the end (delta: -200.7 MB). Peak memory consumption was 367.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,074 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.22 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.7 MB in the beginning and 169.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,075 INFO L168 Benchmark]: Boogie Preprocessor took 118.67 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,076 INFO L168 Benchmark]: RCFGBuilder took 1277.25 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 179.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,077 INFO L168 Benchmark]: TraceAbstraction took 17864.08 ms. Allocated memory was 234.4 MB in the beginning and 495.5 MB in the end (delta: 261.1 MB). Free memory was 179.6 MB in the beginning and 301.8 MB in the end (delta: -122.3 MB). Peak memory consumption was 356.0 MB. Max. memory is 7.1 GB. [2019-11-06 18:57:49,086 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.22 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.7 MB in the beginning and 169.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.67 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1277.25 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.5 MB in the beginning and 179.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17864.08 ms. Allocated memory was 234.4 MB in the beginning and 495.5 MB in the end (delta: 261.1 MB). Free memory was 179.6 MB in the beginning and 301.8 MB in the end (delta: -122.3 MB). Peak memory consumption was 356.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: ((((((((((((((((((a8 <= 13 && a17 <= 0) && a20 == 1) || (((!(a7 == 1) && a17 <= 0) && 5 <= a16) && a20 == 1)) || (((a8 <= 13 && a16 <= 5) && a17 == 1) && a20 <= 0)) || (((a8 <= 13 && a16 <= 5) && a17 == 1) && a20 == 1)) || (((((a21 == \old(a21) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == \old(a16)) && a8 == \old(a8)) && a20 == \old(a20))) || !(5 <= \old(a16))) || !(1 == \old(a20))) || ((a17 <= 0 && a20 <= 0) && a7 <= 0)) || !(\old(a7) <= 0)) || (((a8 <= 13 && a17 == 1) && a20 == 1) && a7 <= 0)) || ((a17 <= 0 && a20 == 1) && a7 <= 0)) || (((!(a7 == 1) && a16 <= 5) && a17 == 1) && a20 <= 0)) || ((((a16 <= 5 && a17 <= 0) && 5 <= a16) && a20 == 1) && a8 <= 14)) || ((((a16 <= 5 && a17 == 1) && a20 == 1) && a8 <= 14) && a7 <= 0)) || !(1 == \old(a17))) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || !(\old(a16) <= 5)) || ((a17 == 1 && a20 <= 0) && a7 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 17.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 759 SDtfs, 3765 SDslu, 282 SDs, 0 SdLazy, 5293 SolverSat, 1202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 650 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3692occurred in iteration=7, 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, 8 MinimizatonAttempts, 635 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 118 PreInvPairs, 180 NumberOfFragments, 956 HoareAnnotationTreeSize, 118 FomulaSimplifications, 40774 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3958 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1575 NumberOfCodeBlocks, 1575 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1562 ConstructedInterpolants, 0 QuantifiedInterpolants, 583246 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1892 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 298/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...