/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:53:50,653 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 22:53:50,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:53:50,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:53:50,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:53:50,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:53:50,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:53:50,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:53:50,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:53:50,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:53:50,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:53:50,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:53:50,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:53:50,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:53:50,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 22:53:50,701 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 [2020-07-21 22:53:50,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:53:50,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:53:50,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:53:50,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:53:50,716 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:53:50,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:53:50,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:53:50,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:53:50,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:53:50,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:53:50,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:53:50,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:53:50,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:53:50,718 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:53:50,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:53:50,719 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:53:50,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:53:50,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:53:50,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:53:50,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:53:50,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:53:50,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:53:50,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:53:50,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:53:50,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:53:50,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:53:50,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:53:50,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:53:50,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:53:50,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:53:50,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:53:51,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:53:51,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:53:51,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:53:51,006 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:53:51,007 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-07-21 22:53:51,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e6b5cb9/62cea12fe23d403383cde4c2582fd8ce/FLAG192a44564 [2020-07-21 22:53:51,649 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:53:51,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-07-21 22:53:51,669 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e6b5cb9/62cea12fe23d403383cde4c2582fd8ce/FLAG192a44564 [2020-07-21 22:53:51,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e6b5cb9/62cea12fe23d403383cde4c2582fd8ce [2020-07-21 22:53:51,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:53:51,924 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:53:51,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:53:51,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:53:51,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:53:51,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:53:51" (1/1) ... [2020-07-21 22:53:51,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd1c41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:51, skipping insertion in model container [2020-07-21 22:53:51,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:53:51" (1/1) ... [2020-07-21 22:53:51,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:53:52,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:53:52,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:53:52,505 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:53:52,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:53:52,620 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:53:52,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52 WrapperNode [2020-07-21 22:53:52,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:53:52,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:53:52,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:53:52,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:53:52,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (1/1) ... [2020-07-21 22:53:52,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:53:52,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:53:52,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:53:52,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:53:52,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (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 [2020-07-21 22:53:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:53:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:53:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:53:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:53:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:53:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:53:53,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:53:53,898 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:53:53,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:53 BoogieIcfgContainer [2020-07-21 22:53:53,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:53:53,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:53:53,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:53:53,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:53:53,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:53:51" (1/3) ... [2020-07-21 22:53:53,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fcc48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:53, skipping insertion in model container [2020-07-21 22:53:53,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:53:52" (2/3) ... [2020-07-21 22:53:53,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fcc48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:53:53, skipping insertion in model container [2020-07-21 22:53:53,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:53:53" (3/3) ... [2020-07-21 22:53:53,912 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-07-21 22:53:53,923 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:53:53,930 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:53:53,944 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:53:53,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:53:53,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:53:53,969 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:53:53,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:53:53,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:53:53,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:53:53,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:53:53,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:53:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:53:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-21 22:53:54,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:53:54,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:53:54,008 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:53:54,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:53:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1022555377, now seen corresponding path program 1 times [2020-07-21 22:53:54,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:53:54,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376656552] [2020-07-21 22:53:54,024 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:53:54,180 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:53:54,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:53:54,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:53:54,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:53:54,735 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:53:54,739 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:53:54,740 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:53:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:53:54,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:53:54,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376656552] [2020-07-21 22:53:54,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:53:54,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:53:54,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652369785] [2020-07-21 22:53:54,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:53:54,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:53:54,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:53:54,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:53:54,877 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:53:56,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:53:56,070 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:53:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:53:56,072 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 121 [2020-07-21 22:53:56,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:53:56,093 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:53:56,093 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:53:56,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:53:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:53:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:53:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:53:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:53:56,192 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 121 [2020-07-21 22:53:56,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:53:56,193 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:53:56,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:53:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:53:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-21 22:53:56,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:53:56,198 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:53:56,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:53:56,412 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:53:56,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:53:56,413 INFO L82 PathProgramCache]: Analyzing trace with hash 2100655392, now seen corresponding path program 1 times [2020-07-21 22:53:56,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:53:56,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958106432] [2020-07-21 22:53:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:53:56,508 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:53:56,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:53:56,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:53:56,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:53:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:53:57,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:53:57,412 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:53:57,417 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:53:57,419 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:53:57,424 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:53:57,428 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:53:57,449 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:53:57,450 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:53:57,484 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:53:57,553 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:53:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:53:57,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958106432] [2020-07-21 22:53:57,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:53:57,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:53:57,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547715578] [2020-07-21 22:53:57,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:53:57,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:53:57,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:53:57,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:53:57,683 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:53:58,614 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:53:59,622 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:54:01,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:01,011 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 22:54:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:54:01,015 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 130 [2020-07-21 22:54:01,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:01,023 INFO L225 Difference]: With dead ends: 738 [2020-07-21 22:54:01,023 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 22:54:01,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 237 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:54:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 22:54:01,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 22:54:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:54:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 22:54:01,101 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 130 [2020-07-21 22:54:01,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:01,101 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 22:54:01,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:54:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 22:54:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 22:54:01,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:01,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:01,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:01,328 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:01,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:01,329 INFO L82 PathProgramCache]: Analyzing trace with hash 775043565, now seen corresponding path program 1 times [2020-07-21 22:54:01,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:01,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546403261] [2020-07-21 22:54:01,330 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:01,407 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:54:01,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:01,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:54:01,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:01,433 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:54:01,433 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:01,454 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:01,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:01,551 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:54:01,553 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:01,576 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:54:01,624 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:01,628 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:01,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546403261] [2020-07-21 22:54:01,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:01,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:01,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716287910] [2020-07-21 22:54:01,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:01,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:01,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:01,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:01,658 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 22:54:03,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:03,185 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 22:54:03,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 22:54:03,187 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2020-07-21 22:54:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:03,196 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 22:54:03,196 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 22:54:03,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-07-21 22:54:03,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 22:54:03,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 22:54:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:54:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1271 transitions. [2020-07-21 22:54:03,242 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1271 transitions. Word has length 142 [2020-07-21 22:54:03,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:03,242 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1271 transitions. [2020-07-21 22:54:03,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1271 transitions. [2020-07-21 22:54:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-21 22:54:03,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:03,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:03,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:03,462 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:03,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:03,463 INFO L82 PathProgramCache]: Analyzing trace with hash 339867062, now seen corresponding path program 1 times [2020-07-21 22:54:03,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:03,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624759190] [2020-07-21 22:54:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:03,571 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:54:03,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:03,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:03,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:54:03,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:03,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624759190] [2020-07-21 22:54:03,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:03,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:54:03,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156595937] [2020-07-21 22:54:03,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:54:03,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:03,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:54:03,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:03,613 INFO L87 Difference]: Start difference. First operand 1015 states and 1271 transitions. Second operand 3 states. [2020-07-21 22:54:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:04,255 INFO L93 Difference]: Finished difference Result 2320 states and 3002 transitions. [2020-07-21 22:54:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:54:04,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-07-21 22:54:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:04,269 INFO L225 Difference]: With dead ends: 2320 [2020-07-21 22:54:04,269 INFO L226 Difference]: Without dead ends: 1311 [2020-07-21 22:54:04,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-07-21 22:54:04,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1307. [2020-07-21 22:54:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1307 states. [2020-07-21 22:54:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1677 transitions. [2020-07-21 22:54:04,328 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1677 transitions. Word has length 163 [2020-07-21 22:54:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:04,329 INFO L479 AbstractCegarLoop]: Abstraction has 1307 states and 1677 transitions. [2020-07-21 22:54:04,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:54:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1677 transitions. [2020-07-21 22:54:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-21 22:54:04,336 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:04,336 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:04,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:04,550 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:04,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:04,551 INFO L82 PathProgramCache]: Analyzing trace with hash -252570343, now seen corresponding path program 1 times [2020-07-21 22:54:04,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:04,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189862489] [2020-07-21 22:54:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:04,655 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:04,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:04,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:04,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:04,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:04,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189862489] [2020-07-21 22:54:04,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:04,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 22:54:04,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445606267] [2020-07-21 22:54:04,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 22:54:04,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:04,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 22:54:04,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:54:04,764 INFO L87 Difference]: Start difference. First operand 1307 states and 1677 transitions. Second operand 8 states. [2020-07-21 22:54:05,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:05,753 INFO L93 Difference]: Finished difference Result 3180 states and 4224 transitions. [2020-07-21 22:54:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:54:05,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-07-21 22:54:05,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:05,762 INFO L225 Difference]: With dead ends: 3180 [2020-07-21 22:54:05,763 INFO L226 Difference]: Without dead ends: 1426 [2020-07-21 22:54:05,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:54:05,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2020-07-21 22:54:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2020-07-21 22:54:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2020-07-21 22:54:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1745 transitions. [2020-07-21 22:54:05,826 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1745 transitions. Word has length 166 [2020-07-21 22:54:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:05,828 INFO L479 AbstractCegarLoop]: Abstraction has 1426 states and 1745 transitions. [2020-07-21 22:54:05,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 22:54:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1745 transitions. [2020-07-21 22:54:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 22:54:05,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:05,845 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:06,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:06,059 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:06,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:06,059 INFO L82 PathProgramCache]: Analyzing trace with hash 609554608, now seen corresponding path program 1 times [2020-07-21 22:54:06,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:06,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581029902] [2020-07-21 22:54:06,060 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:06,149 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:06,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:06,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:54:06,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:06,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:06,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581029902] [2020-07-21 22:54:06,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:06,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:06,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159270979] [2020-07-21 22:54:06,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:06,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:06,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:06,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:06,251 INFO L87 Difference]: Start difference. First operand 1426 states and 1745 transitions. Second operand 7 states. [2020-07-21 22:54:07,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:07,030 INFO L93 Difference]: Finished difference Result 3441 states and 4492 transitions. [2020-07-21 22:54:07,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:54:07,030 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 172 [2020-07-21 22:54:07,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:07,048 INFO L225 Difference]: With dead ends: 3441 [2020-07-21 22:54:07,048 INFO L226 Difference]: Without dead ends: 2075 [2020-07-21 22:54:07,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:07,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2020-07-21 22:54:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2029. [2020-07-21 22:54:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2029 states. [2020-07-21 22:54:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 2029 states and 2436 transitions. [2020-07-21 22:54:07,195 INFO L78 Accepts]: Start accepts. Automaton has 2029 states and 2436 transitions. Word has length 172 [2020-07-21 22:54:07,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:07,195 INFO L479 AbstractCegarLoop]: Abstraction has 2029 states and 2436 transitions. [2020-07-21 22:54:07,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:07,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2436 transitions. [2020-07-21 22:54:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 22:54:07,202 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:07,202 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:07,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:07,417 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:07,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash 533681445, now seen corresponding path program 1 times [2020-07-21 22:54:07,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:07,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882472079] [2020-07-21 22:54:07,419 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:07,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:07,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:07,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:07,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:07,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:07,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882472079] [2020-07-21 22:54:07,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:07,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:07,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368195460] [2020-07-21 22:54:07,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:07,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:07,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:07,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:07,619 INFO L87 Difference]: Start difference. First operand 2029 states and 2436 transitions. Second operand 7 states. [2020-07-21 22:54:08,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:08,668 INFO L93 Difference]: Finished difference Result 4443 states and 5397 transitions. [2020-07-21 22:54:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:54:08,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-07-21 22:54:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:08,680 INFO L225 Difference]: With dead ends: 4443 [2020-07-21 22:54:08,680 INFO L226 Difference]: Without dead ends: 2474 [2020-07-21 22:54:08,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:54:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2020-07-21 22:54:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2460. [2020-07-21 22:54:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2460 states. [2020-07-21 22:54:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 2725 transitions. [2020-07-21 22:54:08,746 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 2725 transitions. Word has length 183 [2020-07-21 22:54:08,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:08,746 INFO L479 AbstractCegarLoop]: Abstraction has 2460 states and 2725 transitions. [2020-07-21 22:54:08,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:08,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2725 transitions. [2020-07-21 22:54:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-07-21 22:54:08,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:08,754 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:08,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:08,969 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:08,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:08,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1780418022, now seen corresponding path program 1 times [2020-07-21 22:54:08,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:08,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970136286] [2020-07-21 22:54:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:09,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:09,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:09,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:54:09,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:54:09,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:54:09,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970136286] [2020-07-21 22:54:09,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:09,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:09,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114796730] [2020-07-21 22:54:09,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:09,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:09,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:09,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:09,240 INFO L87 Difference]: Start difference. First operand 2460 states and 2725 transitions. Second operand 7 states. [2020-07-21 22:54:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:10,216 INFO L93 Difference]: Finished difference Result 5480 states and 6079 transitions. [2020-07-21 22:54:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:54:10,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-07-21 22:54:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:10,229 INFO L225 Difference]: With dead ends: 5480 [2020-07-21 22:54:10,230 INFO L226 Difference]: Without dead ends: 2930 [2020-07-21 22:54:10,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:10,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2930 states. [2020-07-21 22:54:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2930 to 2921. [2020-07-21 22:54:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2921 states. [2020-07-21 22:54:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 3161 transitions. [2020-07-21 22:54:10,339 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 3161 transitions. Word has length 240 [2020-07-21 22:54:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:10,339 INFO L479 AbstractCegarLoop]: Abstraction has 2921 states and 3161 transitions. [2020-07-21 22:54:10,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 3161 transitions. [2020-07-21 22:54:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-07-21 22:54:10,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:10,349 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:10,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:10,562 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:10,562 INFO L82 PathProgramCache]: Analyzing trace with hash 213407153, now seen corresponding path program 1 times [2020-07-21 22:54:10,563 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:10,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818304872] [2020-07-21 22:54:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:10,651 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:54:10,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:10,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:54:10,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-07-21 22:54:10,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 156 proven. 16 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-21 22:54:10,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818304872] [2020-07-21 22:54:10,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:10,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:10,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305355938] [2020-07-21 22:54:10,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:10,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:10,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:10,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:10,782 INFO L87 Difference]: Start difference. First operand 2921 states and 3161 transitions. Second operand 7 states. [2020-07-21 22:54:11,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:11,648 INFO L93 Difference]: Finished difference Result 3659 states and 3982 transitions. [2020-07-21 22:54:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:54:11,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 256 [2020-07-21 22:54:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:11,654 INFO L225 Difference]: With dead ends: 3659 [2020-07-21 22:54:11,654 INFO L226 Difference]: Without dead ends: 1388 [2020-07-21 22:54:11,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:11,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2020-07-21 22:54:11,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2020-07-21 22:54:11,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1388 states. [2020-07-21 22:54:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1468 transitions. [2020-07-21 22:54:11,739 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1468 transitions. Word has length 256 [2020-07-21 22:54:11,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:11,740 INFO L479 AbstractCegarLoop]: Abstraction has 1388 states and 1468 transitions. [2020-07-21 22:54:11,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1468 transitions. [2020-07-21 22:54:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-07-21 22:54:11,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:11,748 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:54:11,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:11,962 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:11,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1923816974, now seen corresponding path program 1 times [2020-07-21 22:54:11,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:11,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057698677] [2020-07-21 22:54:11,963 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:12,109 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:54:12,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:12,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:12,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-21 22:54:12,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:12,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057698677] [2020-07-21 22:54:12,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:12,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:54:12,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641963885] [2020-07-21 22:54:12,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:54:12,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:12,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:54:12,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:12,174 INFO L87 Difference]: Start difference. First operand 1388 states and 1468 transitions. Second operand 3 states. [2020-07-21 22:54:12,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:12,387 INFO L93 Difference]: Finished difference Result 1388 states and 1468 transitions. [2020-07-21 22:54:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:54:12,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2020-07-21 22:54:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:12,395 INFO L225 Difference]: With dead ends: 1388 [2020-07-21 22:54:12,396 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:54:12,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:54:12,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:54:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:54:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:54:12,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2020-07-21 22:54:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:12,399 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:54:12,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:54:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:54:12,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:54:12,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:12,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:54:14,338 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 146 DAG size of output: 106 [2020-07-21 22:54:14,848 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 53 [2020-07-21 22:54:15,382 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 64 [2020-07-21 22:54:15,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:54:15,387 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 22:54:15,387 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,388 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:54:15,389 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,390 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:54:15,391 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:54:15,392 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,393 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:54:15,394 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,395 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:54:15,396 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,397 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:54:15,398 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:54:15,399 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,400 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:54:15,401 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:54:15,402 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,403 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:54:15,404 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,405 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:54:15,406 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,407 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse23 (= 1 |old(~a25~0)|)) (.cse10 (not (= 1 ~a21~0)))) (let ((.cse18 (= 1 ~a11~0)) (.cse12 (not (< |old(~a28~0)| 11))) (.cse20 (not (= 1 |old(~a11~0)|))) (.cse22 (<= ~a11~0 |old(~a11~0)|)) (.cse19 (not (< 8 |old(~a28~0)|))) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse10)) (.cse17 (not (<= |old(~a17~0)| 7))) (.cse24 (not (<= 9 |old(~a28~0)|))) (.cse16 (not (<= |old(~a28~0)| 9))) (.cse0 (not (<= 8 |old(~a17~0)|))) (.cse5 (<= 8 ~a17~0)) (.cse21 (= ~a25~0 |old(~a25~0)|)) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (<= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|)) (.cse7 (< ~a17~0 9)) (.cse8 (<= |old(~a28~0)| ~a28~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not .cse23)) (.cse2 (not (< |old(~a17~0)| 9))) (.cse11 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 .cse12) (or .cse13 (and .cse14 .cse4 .cse6 .cse15 .cse8 .cse9) .cse16 .cse1 .cse17) (or .cse13 .cse16 .cse2 (and .cse18 (<= ~a28~0 9) .cse6) .cse19 .cse20) (or .cse16 .cse0 .cse2 (and .cse4 .cse3 .cse5 .cse6 .cse7 .cse8 .cse21) .cse20) (or .cse13 (not (= 10 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (and (= 1 ~a19~0) .cse22 (= 10 ~a28~0) (= 8 ~a17~0)) (and (not (= 6 |calculate_output_#in~input|)) (not (= 1 |calculate_output_#in~input|)) (not (= 4 |calculate_output_#in~input|)) (not (= 5 |calculate_output_#in~input|)) (not (= 3 |calculate_output_#in~input|))) .cse10 .cse11) (or .cse13 (and .cse4 .cse18 .cse6 .cse7 .cse8 .cse9) .cse1 .cse2 .cse12 .cse20) (or .cse22 (and .cse23 (not (< 9 |old(~a28~0)|))) .cse17 .cse19 .cse10 .cse11) (or .cse24 (and .cse14 .cse15 .cse8 .cse21) .cse17) (or .cse13 .cse24 .cse3 .cse16 .cse1 .cse2 .cse10 .cse11) (or .cse16 .cse0 .cse2 .cse10 .cse11 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse21)) (or .cse13 (and .cse3 .cse4 .cse6 .cse7 .cse8 .cse9) .cse1 .cse2 (not (<= 11 |old(~a28~0)|)) .cse10 .cse11)))) [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:54:15,408 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:54:15,409 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:54:15,410 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:54:15,411 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,412 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:54:15,413 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:54:15,414 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:54:15,415 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:54:15,415 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:54:15,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:54:15,415 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 22:54:15,415 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:54:15,415 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:54:15,415 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (< |old(~a17~0)| 9)) (not (= 7 |old(~a28~0)|)) (and (= ~a11~0 |old(~a11~0)|) (<= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 22:54:15,416 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (<= ~a28~0 9)) (.cse8 (= 1 ~a11~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse9 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse5 (<= 9 ~a28~0)) (.cse6 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse7 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse8 .cse9 .cse3 .cse7) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse9 .cse3 .cse5 .cse7) (and .cse6 (<= ~a11~0 0) (= 10 ~a28~0) (= 8 ~a17~0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse6 .cse4 .cse7))) [2020-07-21 22:54:15,416 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:54:15,416 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:54:15,416 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (<= ~a28~0 9)) (.cse8 (= 1 ~a11~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse9 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse5 (<= 9 ~a28~0)) (.cse6 (= 1 ~a19~0)) (.cse4 (<= ~a17~0 7)) (.cse7 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5) (and .cse6 .cse0 .cse3 .cse7) (and .cse8 .cse1 .cse2 .cse3) (and .cse6 .cse8 .cse9 .cse3 .cse7) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse9 .cse3 .cse5 .cse7) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse6 (<= ~a11~0 0) (= 10 ~a28~0) (= 8 ~a17~0) (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (and .cse6 .cse4 .cse7))) [2020-07-21 22:54:15,416 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:54:15,416 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:54:15,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:54:15 BoogieIcfgContainer [2020-07-21 22:54:15,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:54:15,447 INFO L168 Benchmark]: Toolchain (without parser) took 23520.54 ms. Allocated memory was 135.3 MB in the beginning and 562.0 MB in the end (delta: 426.8 MB). Free memory was 98.5 MB in the beginning and 301.1 MB in the end (delta: -202.7 MB). Peak memory consumption was 458.1 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,448 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.66 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 98.1 MB in the beginning and 168.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,450 INFO L168 Benchmark]: Boogie Preprocessor took 102.75 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,450 INFO L168 Benchmark]: RCFGBuilder took 1179.30 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 163.7 MB in the beginning and 180.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,451 INFO L168 Benchmark]: TraceAbstraction took 21534.39 ms. Allocated memory was 228.6 MB in the beginning and 562.0 MB in the end (delta: 333.4 MB). Free memory was 178.6 MB in the beginning and 301.1 MB in the end (delta: -122.5 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:15,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.66 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 98.1 MB in the beginning and 168.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.75 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1179.30 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 163.7 MB in the beginning and 180.1 MB in the end (delta: -16.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21534.39 ms. Allocated memory was 228.6 MB in the beginning and 562.0 MB in the end (delta: 333.4 MB). Free memory was 178.6 MB in the beginning and 301.1 MB in the end (delta: -122.5 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: 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: ((((((((((((!(1 == \old(a19)) || (((a11 == \old(a11) && 8 <= a17) && a28 <= 9) && a17 < 9)) || (a17 <= 7 && 9 <= a28)) || (((1 == a19 && a11 == \old(a11)) && a17 < 9) && 1 == a25)) || (((1 == a11 && 8 <= a17) && a28 <= 9) && a17 < 9)) || ((((1 == a19 && 1 == a11) && a28 < 11) && a17 < 9) && 1 == a25)) || !(7 == \old(a28))) || !(1 == a21)) || !(\old(a11) <= 0)) || ((((a11 == \old(a11) && a28 < 11) && a17 < 9) && 9 <= a28) && 1 == a25)) || (((1 == a19 && a11 <= 0) && 10 == a28) && 8 == a17)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || ((1 == a19 && a17 <= 7) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.6s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 749 SDtfs, 5483 SDslu, 765 SDs, 0 SdLazy, 9011 SolverSat, 1218 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3177 GetRequests, 3065 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2921occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 135 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 98 PreInvPairs, 146 NumberOfFragments, 789 HoareAnnotationTreeSize, 98 FomulaSimplifications, 1471 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3993 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1836 NumberOfCodeBlocks, 1129 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3108 ConstructedInterpolants, 0 QuantifiedInterpolants, 1930364 SizeOfPredicates, 38 NumberOfNonLiveVariables, 3581 ConjunctsInSsa, 136 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1446/1490 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...