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/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 21:53:40,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 21:53:40,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 21:53:40,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 21:53:40,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 21:53:40,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 21:53:40,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 21:53:40,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 21:53:40,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 21:53:40,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 21:53:40,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 21:53:40,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 21:53:40,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 21:53:40,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 21:53:40,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 21:53:40,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 21:53:40,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 21:53:40,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 21:53:40,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 21:53:40,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 21:53:40,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 21:53:40,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 21:53:40,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 21:53:40,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 21:53:40,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 21:53:40,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 21:53:40,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 21:53:40,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 21:53:40,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 21:53:40,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 21:53:40,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 21:53:40,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 21:53:40,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 21:53:40,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 21:53:40,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 21:53:40,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 21:53:40,769 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 [2019-10-14 21:53:40,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 21:53:40,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 21:53:40,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 21:53:40,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 21:53:40,790 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 21:53:40,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 21:53:40,790 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 21:53:40,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 21:53:40,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 21:53:40,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 21:53:40,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 21:53:40,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 21:53:40,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 21:53:40,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 21:53:40,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 21:53:40,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 21:53:40,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 21:53:40,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 21:53:40,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 21:53:40,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 21:53:40,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 21:53:40,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 21:53:40,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 21:53:40,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 21:53:40,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 21:53:40,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 21:53:40,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 21:53:40,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 21:53:40,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 21:53:41,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 21:53:41,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 21:53:41,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 21:53:41,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 21:53:41,079 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 21:53:41,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-10-14 21:53:41,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06ceb1fb/08ca165a1c4e4a0d81703d8d4dc6d48c/FLAGeb186cd27 [2019-10-14 21:53:41,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 21:53:41,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2019-10-14 21:53:41,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06ceb1fb/08ca165a1c4e4a0d81703d8d4dc6d48c/FLAGeb186cd27 [2019-10-14 21:53:41,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06ceb1fb/08ca165a1c4e4a0d81703d8d4dc6d48c [2019-10-14 21:53:41,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 21:53:41,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 21:53:41,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 21:53:41,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 21:53:41,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 21:53:41,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:41" (1/1) ... [2019-10-14 21:53:42,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5782f2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:41, skipping insertion in model container [2019-10-14 21:53:42,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:53:41" (1/1) ... [2019-10-14 21:53:42,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 21:53:42,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 21:53:42,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:53:42,525 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 21:53:42,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 21:53:42,797 INFO L192 MainTranslator]: Completed translation [2019-10-14 21:53:42,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42 WrapperNode [2019-10-14 21:53:42,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 21:53:42,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 21:53:42,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 21:53:42,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 21:53:42,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (1/1) ... [2019-10-14 21:53:42,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 21:53:42,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 21:53:42,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 21:53:42,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 21:53:42,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (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 [2019-10-14 21:53:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 21:53:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 21:53:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 21:53:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 21:53:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 21:53:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 21:53:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 21:53:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 21:53:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 21:53:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 21:53:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 21:53:44,198 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 21:53:44,198 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 21:53:44,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:44 BoogieIcfgContainer [2019-10-14 21:53:44,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 21:53:44,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 21:53:44,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 21:53:44,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 21:53:44,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:53:41" (1/3) ... [2019-10-14 21:53:44,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0911bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:44, skipping insertion in model container [2019-10-14 21:53:44,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:53:42" (2/3) ... [2019-10-14 21:53:44,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0911bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:53:44, skipping insertion in model container [2019-10-14 21:53:44,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:53:44" (3/3) ... [2019-10-14 21:53:44,209 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2019-10-14 21:53:44,222 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 21:53:44,231 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 21:53:44,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 21:53:44,274 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 21:53:44,274 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 21:53:44,274 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 21:53:44,274 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 21:53:44,275 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 21:53:44,275 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 21:53:44,275 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 21:53:44,275 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 21:53:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-10-14 21:53:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-14 21:53:44,310 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:44,311 INFO L380 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] [2019-10-14 21:53:44,313 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:44,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:44,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2019-10-14 21:53:44,327 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:44,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74203311] [2019-10-14 21:53:44,328 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:44,328 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:44,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:44,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74203311] [2019-10-14 21:53:44,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:53:44,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 21:53:44,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188533662] [2019-10-14 21:53:44,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 21:53:44,838 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:44,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 21:53:44,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 21:53:44,856 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-10-14 21:53:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:47,009 INFO L93 Difference]: Finished difference Result 797 states and 1393 transitions. [2019-10-14 21:53:47,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 21:53:47,010 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2019-10-14 21:53:47,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:47,029 INFO L225 Difference]: With dead ends: 797 [2019-10-14 21:53:47,029 INFO L226 Difference]: Without dead ends: 483 [2019-10-14 21:53:47,036 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-14 21:53:47,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 323. [2019-10-14 21:53:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-14 21:53:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 470 transitions. [2019-10-14 21:53:47,111 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 470 transitions. Word has length 95 [2019-10-14 21:53:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:47,112 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 470 transitions. [2019-10-14 21:53:47,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 21:53:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 470 transitions. [2019-10-14 21:53:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-14 21:53:47,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:47,118 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:47,119 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:47,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:47,119 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2019-10-14 21:53:47,119 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:47,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739674994] [2019-10-14 21:53:47,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:47,120 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:47,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:47,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739674994] [2019-10-14 21:53:47,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663275653] [2019-10-14 21:53:47,304 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 [2019-10-14 21:53:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:47,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:47,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:47,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:53:47,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:53:47,459 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214021888] [2019-10-14 21:53:47,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:53:47,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:47,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:53:47,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:47,462 INFO L87 Difference]: Start difference. First operand 323 states and 470 transitions. Second operand 3 states. [2019-10-14 21:53:48,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:48,006 INFO L93 Difference]: Finished difference Result 933 states and 1378 transitions. [2019-10-14 21:53:48,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:53:48,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-10-14 21:53:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:48,013 INFO L225 Difference]: With dead ends: 933 [2019-10-14 21:53:48,013 INFO L226 Difference]: Without dead ends: 616 [2019-10-14 21:53:48,015 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:48,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-10-14 21:53:48,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2019-10-14 21:53:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-10-14 21:53:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 867 transitions. [2019-10-14 21:53:48,049 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 867 transitions. Word has length 103 [2019-10-14 21:53:48,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:48,050 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 867 transitions. [2019-10-14 21:53:48,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:53:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 867 transitions. [2019-10-14 21:53:48,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-14 21:53:48,054 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:48,055 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-14 21:53:48,262 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:48,262 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:48,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:48,263 INFO L82 PathProgramCache]: Analyzing trace with hash 549151607, now seen corresponding path program 1 times [2019-10-14 21:53:48,264 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:48,264 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768601777] [2019-10-14 21:53:48,264 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:48,265 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:48,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 21:53:48,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768601777] [2019-10-14 21:53:48,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330396954] [2019-10-14 21:53:48,510 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 [2019-10-14 21:53:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:48,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:48,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:48,685 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:48,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2019-10-14 21:53:48,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819887716] [2019-10-14 21:53:48,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:53:48,686 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:48,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:53:48,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:48,687 INFO L87 Difference]: Start difference. First operand 615 states and 867 transitions. Second operand 11 states. [2019-10-14 21:53:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:50,366 INFO L93 Difference]: Finished difference Result 1678 states and 2471 transitions. [2019-10-14 21:53:50,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:53:50,371 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2019-10-14 21:53:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:50,382 INFO L225 Difference]: With dead ends: 1678 [2019-10-14 21:53:50,383 INFO L226 Difference]: Without dead ends: 1069 [2019-10-14 21:53:50,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:53:50,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2019-10-14 21:53:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 605. [2019-10-14 21:53:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-10-14 21:53:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 833 transitions. [2019-10-14 21:53:50,456 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 833 transitions. Word has length 113 [2019-10-14 21:53:50,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:50,457 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 833 transitions. [2019-10-14 21:53:50,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:53:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 833 transitions. [2019-10-14 21:53:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-14 21:53:50,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:50,468 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:50,675 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:50,676 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:50,676 INFO L82 PathProgramCache]: Analyzing trace with hash -587723324, now seen corresponding path program 1 times [2019-10-14 21:53:50,676 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:50,677 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363332371] [2019-10-14 21:53:50,677 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:50,677 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:50,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:50,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363332371] [2019-10-14 21:53:50,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 21:53:50,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 21:53:50,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134723869] [2019-10-14 21:53:50,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:53:50,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:50,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:53:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:53:50,836 INFO L87 Difference]: Start difference. First operand 605 states and 833 transitions. Second operand 9 states. [2019-10-14 21:53:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:52,494 INFO L93 Difference]: Finished difference Result 1981 states and 2852 transitions. [2019-10-14 21:53:52,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 21:53:52,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2019-10-14 21:53:52,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:52,506 INFO L225 Difference]: With dead ends: 1981 [2019-10-14 21:53:52,507 INFO L226 Difference]: Without dead ends: 1382 [2019-10-14 21:53:52,509 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-14 21:53:52,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2019-10-14 21:53:52,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1207. [2019-10-14 21:53:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2019-10-14 21:53:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1636 transitions. [2019-10-14 21:53:52,575 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1636 transitions. Word has length 115 [2019-10-14 21:53:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:52,576 INFO L462 AbstractCegarLoop]: Abstraction has 1207 states and 1636 transitions. [2019-10-14 21:53:52,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:53:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1636 transitions. [2019-10-14 21:53:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-14 21:53:52,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:52,582 INFO L380 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] [2019-10-14 21:53:52,582 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:52,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:52,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1133854759, now seen corresponding path program 1 times [2019-10-14 21:53:52,583 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:52,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891407664] [2019-10-14 21:53:52,583 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:52,584 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:52,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:52,907 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891407664] [2019-10-14 21:53:52,907 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746868549] [2019-10-14 21:53:52,907 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 [2019-10-14 21:53:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:52,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:52,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:53,015 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-14 21:53:53,015 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-10-14 21:53:53,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954705686] [2019-10-14 21:53:53,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 21:53:53,017 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:53,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 21:53:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:53,017 INFO L87 Difference]: Start difference. First operand 1207 states and 1636 transitions. Second operand 3 states. [2019-10-14 21:53:53,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:53,512 INFO L93 Difference]: Finished difference Result 2844 states and 3885 transitions. [2019-10-14 21:53:53,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 21:53:53,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-10-14 21:53:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:53,528 INFO L225 Difference]: With dead ends: 2844 [2019-10-14 21:53:53,529 INFO L226 Difference]: Without dead ends: 1201 [2019-10-14 21:53:53,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-14 21:53:53,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2019-10-14 21:53:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2019-10-14 21:53:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2019-10-14 21:53:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1561 transitions. [2019-10-14 21:53:53,603 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1561 transitions. Word has length 121 [2019-10-14 21:53:53,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:53,603 INFO L462 AbstractCegarLoop]: Abstraction has 1201 states and 1561 transitions. [2019-10-14 21:53:53,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 21:53:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1561 transitions. [2019-10-14 21:53:53,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-14 21:53:53,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:53,607 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-14 21:53:53,811 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:53,812 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:53,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:53,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1118081225, now seen corresponding path program 1 times [2019-10-14 21:53:53,813 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:53,813 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067468965] [2019-10-14 21:53:53,813 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:53,814 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:53,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:53,957 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:53:53,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067468965] [2019-10-14 21:53:53,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082460999] [2019-10-14 21:53:53,958 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 [2019-10-14 21:53:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:54,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 21:53:54,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:54,131 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:54,131 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-10-14 21:53:54,131 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266240713] [2019-10-14 21:53:54,132 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 21:53:54,132 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:54,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 21:53:54,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-14 21:53:54,133 INFO L87 Difference]: Start difference. First operand 1201 states and 1561 transitions. Second operand 11 states. [2019-10-14 21:53:57,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:57,726 INFO L93 Difference]: Finished difference Result 3770 states and 5160 transitions. [2019-10-14 21:53:57,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 21:53:57,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2019-10-14 21:53:57,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:57,739 INFO L225 Difference]: With dead ends: 3770 [2019-10-14 21:53:57,739 INFO L226 Difference]: Without dead ends: 1831 [2019-10-14 21:53:57,745 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2019-10-14 21:53:57,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2019-10-14 21:53:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1507. [2019-10-14 21:53:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2019-10-14 21:53:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1759 transitions. [2019-10-14 21:53:57,803 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1759 transitions. Word has length 123 [2019-10-14 21:53:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:57,803 INFO L462 AbstractCegarLoop]: Abstraction has 1507 states and 1759 transitions. [2019-10-14 21:53:57,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 21:53:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1759 transitions. [2019-10-14 21:53:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-14 21:53:57,809 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:57,810 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 21:53:58,017 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:58,018 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:58,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:58,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1143201553, now seen corresponding path program 1 times [2019-10-14 21:53:58,018 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:58,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674139600] [2019-10-14 21:53:58,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:58,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:58,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 21:53:58,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674139600] [2019-10-14 21:53:58,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143053283] [2019-10-14 21:53:58,222 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 [2019-10-14 21:53:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:58,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-14 21:53:58,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:53:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 21:53:58,375 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:53:58,375 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 8 [2019-10-14 21:53:58,375 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898226318] [2019-10-14 21:53:58,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 21:53:58,376 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:53:58,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 21:53:58,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-14 21:53:58,377 INFO L87 Difference]: Start difference. First operand 1507 states and 1759 transitions. Second operand 8 states. [2019-10-14 21:53:59,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:53:59,414 INFO L93 Difference]: Finished difference Result 3780 states and 4568 transitions. [2019-10-14 21:53:59,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 21:53:59,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2019-10-14 21:53:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:53:59,425 INFO L225 Difference]: With dead ends: 3780 [2019-10-14 21:53:59,426 INFO L226 Difference]: Without dead ends: 2279 [2019-10-14 21:53:59,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-10-14 21:53:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2019-10-14 21:53:59,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2241. [2019-10-14 21:53:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2019-10-14 21:53:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2567 transitions. [2019-10-14 21:53:59,499 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2567 transitions. Word has length 162 [2019-10-14 21:53:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:53:59,502 INFO L462 AbstractCegarLoop]: Abstraction has 2241 states and 2567 transitions. [2019-10-14 21:53:59,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 21:53:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2567 transitions. [2019-10-14 21:53:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-14 21:53:59,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 21:53:59,513 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-14 21:53:59,719 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:53:59,720 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 21:53:59,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 21:53:59,720 INFO L82 PathProgramCache]: Analyzing trace with hash 220350546, now seen corresponding path program 1 times [2019-10-14 21:53:59,721 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 21:53:59,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332183368] [2019-10-14 21:53:59,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:59,721 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 21:53:59,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 21:53:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:53:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 139 proven. 3 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-14 21:53:59,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332183368] [2019-10-14 21:53:59,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460301799] [2019-10-14 21:53:59,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:54:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 21:54:00,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-14 21:54:00,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 21:54:00,088 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-14 21:54:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 225 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-10-14 21:54:00,160 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 21:54:00,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-10-14 21:54:00,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258876573] [2019-10-14 21:54:00,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 21:54:00,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 21:54:00,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 21:54:00,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-14 21:54:00,167 INFO L87 Difference]: Start difference. First operand 2241 states and 2567 transitions. Second operand 9 states. [2019-10-14 21:54:02,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 21:54:02,172 INFO L93 Difference]: Finished difference Result 3612 states and 4197 transitions. [2019-10-14 21:54:02,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-14 21:54:02,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 242 [2019-10-14 21:54:02,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 21:54:02,173 INFO L225 Difference]: With dead ends: 3612 [2019-10-14 21:54:02,173 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 21:54:02,183 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2019-10-14 21:54:02,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 21:54:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 21:54:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 21:54:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 21:54:02,184 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 242 [2019-10-14 21:54:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 21:54:02,184 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 21:54:02,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 21:54:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 21:54:02,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 21:54:02,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 21:54:02,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 21:54:03,077 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-10-14 21:54:03,250 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 153 [2019-10-14 21:54:04,223 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2019-10-14 21:54:04,889 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-10-14 21:54:05,503 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 56 [2019-10-14 21:54:05,506 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:54:05,507 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-10-14 21:54:05,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:54:05,507 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,507 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-14 21:54:05,508 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-14 21:54:05,509 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,510 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-14 21:54:05,511 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,512 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-14 21:54:05,513 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-14 21:54:05,514 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-14 21:54:05,515 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-14 21:54:05,516 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-14 21:54:05,517 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-14 21:54:05,518 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,519 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,520 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-14 21:54:05,521 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,522 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-14 21:54:05,523 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,524 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-14 21:54:05,525 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,526 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (not (<= 9 |old(~a28~0)|))) (.cse7 (not (<= |old(~a17~0)| 8))) (.cse6 (= 1 |old(~a11~0)|)) (.cse11 (= ~a17~0 8)) (.cse0 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= 1 |old(~a25~0)|)) (.cse18 (= ~a11~0 |old(~a11~0)|)) (.cse19 (= ~a17~0 |old(~a17~0)|))) (let ((.cse2 (and .cse18 .cse19 (<= ~a17~0 8))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse14 (not (<= |old(~a28~0)| 10))) (.cse4 (not .cse13)) (.cse17 (and .cse18 .cse11 .cse0 .cse1 .cse3)) (.cse8 (and .cse6 (= |old(~a11~0)| |old(~a19~0)|))) (.cse16 (not (<= |old(~a25~0)| 0))) (.cse9 (not (= 8 |old(~a17~0)|))) (.cse20 (or .cse15 .cse7)) (.cse10 (not .cse6)) (.cse12 (= ~a11~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a17~0)| 7))) (or .cse4 .cse5 (or .cse6 .cse7) (and .cse2 .cse0 .cse1 .cse3)) (or .cse8 .cse9 .cse10 (and .cse11 .cse0 .cse1 .cse12 .cse3) .cse13) (or .cse14 .cse5 .cse15 .cse16 .cse9 .cse17) (or .cse14 (and .cse18 .cse19 .cse0 .cse1 .cse3) .cse4 .cse20) (or .cse17 (or (not (<= |old(~a28~0)| 9)) .cse8 .cse16 .cse9)) (or .cse20 .cse10 (and .cse19 .cse0 .cse1 .cse12 .cse3))))) [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-14 21:54:05,527 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-14 21:54:05,528 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,529 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-14 21:54:05,530 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,531 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-14 21:54:05,532 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-14 21:54:05,533 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 21:54:05,534 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0) (<= ~a28~0 9)) [2019-10-14 21:54:05,534 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 21:54:05,534 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 21:54:05,535 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 9)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-10-14 21:54:05,535 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-10-14 21:54:05,535 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-10-14 21:54:05,535 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-10-14 21:54:05,535 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a17~0 8)) (.cse5 (= ~a11~0 1)) (.cse2 (<= ~a17~0 8))) (let ((.cse4 (and (<= 9 ~a28~0) .cse2)) (.cse0 (= ~a25~0 1)) (.cse3 (<= ~a28~0 10)) (.cse1 (= ~a11~0 |old(~a11~0)|)) (.cse6 (and .cse7 (or (not (= ~a19~0 ~a11~0)) (not .cse5)))) (.cse8 (<= ~a25~0 0))) (or (and .cse0 (and (and .cse1 .cse2) (= ~a19~0 1))) (and .cse1 .cse3 .cse4 .cse0) (= |old(~a11~0)| |old(~a19~0)|) (and .cse4 .cse5) (<= ~a17~0 7) (not (<= |old(~a25~0)| 0)) (and (not .cse0) .cse6 .cse5) (and (and .cse1 (and .cse7 .cse8) (= ~a19~0 |old(~a19~0)|)) .cse3) (not (<= |old(~a28~0)| 9)) (not (= 1 |old(~a19~0)|)) (and .cse1 (<= ~a28~0 9) (and .cse6 .cse8)) (not (= 8 |old(~a17~0)|))))) [2019-10-14 21:54:05,535 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-14 21:54:05,536 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-14 21:54:05,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:54:05 BoogieIcfgContainer [2019-10-14 21:54:05,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 21:54:05,556 INFO L168 Benchmark]: Toolchain (without parser) took 23564.30 ms. Allocated memory was 138.9 MB in the beginning and 470.8 MB in the end (delta: 331.9 MB). Free memory was 101.7 MB in the beginning and 230.5 MB in the end (delta: -128.8 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,557 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.03 ms. Allocated memory was 138.9 MB in the beginning and 208.7 MB in the end (delta: 69.7 MB). Free memory was 101.5 MB in the beginning and 175.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,559 INFO L168 Benchmark]: Boogie Preprocessor took 109.00 ms. Allocated memory is still 208.7 MB. Free memory was 175.7 MB in the beginning and 170.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,560 INFO L168 Benchmark]: RCFGBuilder took 1292.38 ms. Allocated memory was 208.7 MB in the beginning and 238.6 MB in the end (delta: 29.9 MB). Free memory was 170.8 MB in the beginning and 185.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,560 INFO L168 Benchmark]: TraceAbstraction took 21353.08 ms. Allocated memory was 238.6 MB in the beginning and 470.8 MB in the end (delta: 232.3 MB). Free memory was 183.7 MB in the beginning and 230.5 MB in the end (delta: -46.8 MB). Peak memory consumption was 329.2 MB. Max. memory is 7.1 GB. [2019-10-14 21:54:05,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 138.9 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.03 ms. Allocated memory was 138.9 MB in the beginning and 208.7 MB in the end (delta: 69.7 MB). Free memory was 101.5 MB in the beginning and 175.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.00 ms. Allocated memory is still 208.7 MB. Free memory was 175.7 MB in the beginning and 170.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.38 ms. Allocated memory was 208.7 MB in the beginning and 238.6 MB in the end (delta: 29.9 MB). Free memory was 170.8 MB in the beginning and 185.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21353.08 ms. Allocated memory was 238.6 MB in the beginning and 470.8 MB in the end (delta: 232.3 MB). Free memory was 183.7 MB in the beginning and 230.5 MB in the end (delta: -46.8 MB). Peak memory consumption was 329.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((a25 == 1 && (a11 == \old(a11) && a17 <= 8) && a19 == 1) || (((a11 == \old(a11) && a28 <= 10) && 9 <= a28 && a17 <= 8) && a25 == 1)) || \old(a11) == \old(a19)) || ((9 <= a28 && a17 <= 8) && a11 == 1)) || a17 <= 7) || !(\old(a25) <= 0)) || ((!(a25 == 1) && a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a11 == 1)) || (((a11 == \old(a11) && a17 == 8 && a25 <= 0) && a19 == \old(a19)) && a28 <= 10)) || !(\old(a28) <= 9)) || !(1 == \old(a19))) || ((a11 == \old(a11) && a28 <= 9) && (a17 == 8 && (!(a19 == a11) || !(a11 == 1))) && a25 <= 0)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 21.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, HoareTripleCheckerStatistics: 746 SDtfs, 4912 SDslu, 487 SDs, 0 SdLazy, 8597 SolverSat, 1611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 917 SyntacticMatches, 5 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2241occurred 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: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1162 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 82 PreInvPairs, 132 NumberOfFragments, 600 HoareAnnotationTreeSize, 82 FomulaSimplifications, 85628 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 26255 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1938 NumberOfCodeBlocks, 1938 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 870768 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2329 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 812/831 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...