/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:26:13,474 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:26:13,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 01:26:13,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 01:26:13,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 01:26:13,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 01:26:13,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 01:26:13,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 01:26:13,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 01:26:13,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 01:26:13,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 01:26:13,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 01:26:13,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 01:26:13,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 01:26:13,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 01:26:13,562 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 01:26:13,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:26:13,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:26:13,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:26:13,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:26:13,585 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:26:13,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:26:13,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:26:13,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:26:13,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:26:13,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:26:13,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:26:13,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:26:13,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:26:13,588 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:26:13,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:26:13,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:26:13,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:26:13,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:26:13,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:26:13,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:26:13,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:26:13,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:26:13,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:26:13,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:26:13,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:26:13,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:26:13,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:13,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:26:13,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:26:13,591 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 01:26:13,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:26:13,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:26:13,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:26:13,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:26:13,885 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:26:13,886 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-07-21 01:26:13,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333/FLAGc58b689b2 [2020-07-21 01:26:14,556 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:26:14,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-07-21 01:26:14,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333/FLAGc58b689b2 [2020-07-21 01:26:14,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/928759ded/d6b68e0f06a2498b9a3ee3dca22be333 [2020-07-21 01:26:14,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:26:14,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:26:14,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:26:14,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:26:14,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:26:14,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:14" (1/1) ... [2020-07-21 01:26:14,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dffb5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:14, skipping insertion in model container [2020-07-21 01:26:14,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:14" (1/1) ... [2020-07-21 01:26:14,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:26:14,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:26:15,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:26:15,328 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:26:15,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:26:15,476 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:26:15,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15 WrapperNode [2020-07-21 01:26:15,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:26:15,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:26:15,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:26:15,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:26:15,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (1/1) ... [2020-07-21 01:26:15,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:26:15,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:26:15,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:26:15,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:26:15,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (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 01:26:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:26:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:26:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:26:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:26:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:26:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:26:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:26:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:26:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:26:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:26:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:26:16,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:26:16,820 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:26:16,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:16 BoogieIcfgContainer [2020-07-21 01:26:16,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:26:16,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:26:16,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:26:16,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:26:16,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:26:14" (1/3) ... [2020-07-21 01:26:16,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782cdd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:16, skipping insertion in model container [2020-07-21 01:26:16,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:15" (2/3) ... [2020-07-21 01:26:16,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782cdd52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:16, skipping insertion in model container [2020-07-21 01:26:16,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:16" (3/3) ... [2020-07-21 01:26:16,844 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-07-21 01:26:16,855 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:26:16,867 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:26:16,881 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:26:16,914 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:26:16,915 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:26:16,916 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:26:16,916 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:26:16,916 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:26:16,916 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:26:16,917 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:26:16,917 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:26:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 01:26:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 01:26:16,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:16,974 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, 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 01:26:16,975 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:16,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1422395146, now seen corresponding path program 1 times [2020-07-21 01:26:16,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:16,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147852101] [2020-07-21 01:26:16,993 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 01:26:17,178 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:26:17,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:17,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 01:26:17,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:17,776 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:26:17,783 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:26:17,783 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:26:17,901 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 01:26:17,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:26:17,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147852101] [2020-07-21 01:26:17,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:26:17,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 01:26:17,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743897008] [2020-07-21 01:26:17,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 01:26:17,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:17,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 01:26:17,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:26:17,929 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 01:26:19,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:19,156 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 01:26:19,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:26:19,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2020-07-21 01:26:19,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:19,190 INFO L225 Difference]: With dead ends: 527 [2020-07-21 01:26:19,190 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 01:26:19,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 135 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 01:26:19,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 01:26:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 01:26:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 01:26:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 01:26:19,317 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 144 [2020-07-21 01:26:19,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:19,318 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 01:26:19,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 01:26:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 01:26:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-21 01:26:19,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:19,331 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, 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 01:26:19,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:19,532 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:19,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:19,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1282323431, now seen corresponding path program 1 times [2020-07-21 01:26:19,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:19,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147657870] [2020-07-21 01:26:19,534 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 01:26:19,679 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:26:19,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:19,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:26:19,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:20,195 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 01:26:20,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:20,622 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:26:20,624 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:26:20,625 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:26:20,626 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:26:20,627 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:26:20,648 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 01:26:20,648 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:26:20,684 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:26:20,751 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:26:20,887 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 01:26:20,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1147657870] [2020-07-21 01:26:20,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:20,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:26:20,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174384324] [2020-07-21 01:26:20,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:26:20,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:20,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:26:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:26:20,892 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 01:26:21,918 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 01:26:23,056 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 01:26:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:24,587 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 01:26:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 01:26:24,589 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 153 [2020-07-21 01:26:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:24,598 INFO L225 Difference]: With dead ends: 738 [2020-07-21 01:26:24,598 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 01:26:24,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 283 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 01:26:24,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 01:26:24,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 01:26:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 01:26:24,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 01:26:24,663 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 153 [2020-07-21 01:26:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:24,663 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 01:26:24,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:26:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 01:26:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 01:26:24,666 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:24,667 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, 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 01:26:24,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:24,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:24,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:24,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1049942138, now seen corresponding path program 1 times [2020-07-21 01:26:24,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:24,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654569020] [2020-07-21 01:26:24,885 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 01:26:24,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:26:24,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:24,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 01:26:24,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:25,001 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 01:26:25,002 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:26:25,027 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:26:25,054 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 01:26:25,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:25,139 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:26:25,140 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:26:25,165 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 01:26:25,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:26:25,215 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:26:25,237 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 01:26:25,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654569020] [2020-07-21 01:26:25,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:25,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:26:25,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121208109] [2020-07-21 01:26:25,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:26:25,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:25,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:26:25,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:26:25,240 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 01:26:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:26,980 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 01:26:26,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 01:26:26,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-07-21 01:26:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:26,989 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 01:26:26,990 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 01:26:26,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-07-21 01:26:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 01:26:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 01:26:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 01:26:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1271 transitions. [2020-07-21 01:26:27,051 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1271 transitions. Word has length 165 [2020-07-21 01:26:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:27,052 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1271 transitions. [2020-07-21 01:26:27,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:26:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1271 transitions. [2020-07-21 01:26:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-21 01:26:27,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:27,058 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, 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 01:26:27,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:27,273 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:27,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:27,274 INFO L82 PathProgramCache]: Analyzing trace with hash -130291055, now seen corresponding path program 1 times [2020-07-21 01:26:27,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:27,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749919663] [2020-07-21 01:26:27,275 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 01:26:27,418 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:26:27,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:27,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 33 conjunts are in the unsatisfiable core [2020-07-21 01:26:27,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:27,548 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 01:26:27,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:26:27,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749919663] [2020-07-21 01:26:27,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:26:27,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 01:26:27,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746342799] [2020-07-21 01:26:27,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 01:26:27,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:27,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 01:26:27,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:26:27,551 INFO L87 Difference]: Start difference. First operand 1015 states and 1271 transitions. Second operand 4 states. [2020-07-21 01:26:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:28,273 INFO L93 Difference]: Finished difference Result 2113 states and 2722 transitions. [2020-07-21 01:26:28,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 01:26:28,273 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2020-07-21 01:26:28,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:28,283 INFO L225 Difference]: With dead ends: 2113 [2020-07-21 01:26:28,283 INFO L226 Difference]: Without dead ends: 1015 [2020-07-21 01:26:28,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 01:26:28,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-07-21 01:26:28,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2020-07-21 01:26:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 01:26:28,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1265 transitions. [2020-07-21 01:26:28,328 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1265 transitions. Word has length 186 [2020-07-21 01:26:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:28,329 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1265 transitions. [2020-07-21 01:26:28,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 01:26:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1265 transitions. [2020-07-21 01:26:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-21 01:26:28,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:28,334 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, 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 01:26:28,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:28,549 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:28,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:28,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2054368206, now seen corresponding path program 1 times [2020-07-21 01:26:28,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:28,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808532783] [2020-07-21 01:26:28,550 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 01:26:28,642 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:26:28,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:28,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:26:28,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:28,729 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 01:26:28,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:28,807 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 01:26:28,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808532783] [2020-07-21 01:26:28,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:28,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-07-21 01:26:28,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741340501] [2020-07-21 01:26:28,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 01:26:28,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:28,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 01:26:28,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:26:28,810 INFO L87 Difference]: Start difference. First operand 1015 states and 1265 transitions. Second operand 8 states. [2020-07-21 01:26:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:29,956 INFO L93 Difference]: Finished difference Result 2448 states and 3158 transitions. [2020-07-21 01:26:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:26:29,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2020-07-21 01:26:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:29,963 INFO L225 Difference]: With dead ends: 2448 [2020-07-21 01:26:29,963 INFO L226 Difference]: Without dead ends: 984 [2020-07-21 01:26:29,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 373 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 01:26:29,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2020-07-21 01:26:29,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 984. [2020-07-21 01:26:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 984 states. [2020-07-21 01:26:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1170 transitions. [2020-07-21 01:26:29,996 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1170 transitions. Word has length 189 [2020-07-21 01:26:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:29,996 INFO L479 AbstractCegarLoop]: Abstraction has 984 states and 1170 transitions. [2020-07-21 01:26:29,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 01:26:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1170 transitions. [2020-07-21 01:26:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 01:26:30,001 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:30,001 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:26:30,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:30,216 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:30,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:30,217 INFO L82 PathProgramCache]: Analyzing trace with hash 84176453, now seen corresponding path program 1 times [2020-07-21 01:26:30,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:30,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215719384] [2020-07-21 01:26:30,218 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 01:26:30,377 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:26:30,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:30,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:26:30,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:26:30,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 54 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:26:30,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215719384] [2020-07-21 01:26:30,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:30,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:26:30,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453785224] [2020-07-21 01:26:30,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:26:30,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:30,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:26:30,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:26:30,501 INFO L87 Difference]: Start difference. First operand 984 states and 1170 transitions. Second operand 7 states. [2020-07-21 01:26:31,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:31,206 INFO L93 Difference]: Finished difference Result 2543 states and 3209 transitions. [2020-07-21 01:26:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:26:31,210 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2020-07-21 01:26:31,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:31,221 INFO L225 Difference]: With dead ends: 2543 [2020-07-21 01:26:31,222 INFO L226 Difference]: Without dead ends: 1619 [2020-07-21 01:26:31,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 379 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 01:26:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2020-07-21 01:26:31,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1585. [2020-07-21 01:26:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1585 states. [2020-07-21 01:26:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1888 transitions. [2020-07-21 01:26:31,284 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 1888 transitions. Word has length 192 [2020-07-21 01:26:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:31,284 INFO L479 AbstractCegarLoop]: Abstraction has 1585 states and 1888 transitions. [2020-07-21 01:26:31,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:26:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1888 transitions. [2020-07-21 01:26:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-21 01:26:31,294 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:31,295 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, 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 01:26:31,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:31,509 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:31,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:31,509 INFO L82 PathProgramCache]: Analyzing trace with hash 381722178, now seen corresponding path program 1 times [2020-07-21 01:26:31,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:31,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300737764] [2020-07-21 01:26:31,510 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 01:26:31,646 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:26:31,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:31,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:26:31,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:31,750 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 01:26:31,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:31,833 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 01:26:31,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300737764] [2020-07-21 01:26:31,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:31,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:26:31,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670979501] [2020-07-21 01:26:31,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:26:31,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:31,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:26:31,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:26:31,836 INFO L87 Difference]: Start difference. First operand 1585 states and 1888 transitions. Second operand 7 states. [2020-07-21 01:26:32,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:32,958 INFO L93 Difference]: Finished difference Result 3555 states and 4284 transitions. [2020-07-21 01:26:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 01:26:32,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 206 [2020-07-21 01:26:32,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:32,969 INFO L225 Difference]: With dead ends: 3555 [2020-07-21 01:26:32,969 INFO L226 Difference]: Without dead ends: 2030 [2020-07-21 01:26:32,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 407 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 01:26:32,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2020-07-21 01:26:33,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2016. [2020-07-21 01:26:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2016 states. [2020-07-21 01:26:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 2224 transitions. [2020-07-21 01:26:33,026 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 2224 transitions. Word has length 206 [2020-07-21 01:26:33,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:33,027 INFO L479 AbstractCegarLoop]: Abstraction has 2016 states and 2224 transitions. [2020-07-21 01:26:33,027 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:26:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 2224 transitions. [2020-07-21 01:26:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-07-21 01:26:33,034 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:33,035 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, 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, 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 01:26:33,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:33,249 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:33,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:33,249 INFO L82 PathProgramCache]: Analyzing trace with hash -686923797, now seen corresponding path program 1 times [2020-07-21 01:26:33,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:33,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339943005] [2020-07-21 01:26:33,250 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 01:26:33,365 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:26:33,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:33,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:26:33,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 01:26:33,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 152 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 01:26:33,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339943005] [2020-07-21 01:26:33,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:33,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:26:33,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020835622] [2020-07-21 01:26:33,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:26:33,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:33,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:26:33,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:26:33,563 INFO L87 Difference]: Start difference. First operand 2016 states and 2224 transitions. Second operand 7 states. [2020-07-21 01:26:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:34,525 INFO L93 Difference]: Finished difference Result 4584 states and 5063 transitions. [2020-07-21 01:26:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:26:34,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 269 [2020-07-21 01:26:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:34,537 INFO L225 Difference]: With dead ends: 4584 [2020-07-21 01:26:34,537 INFO L226 Difference]: Without dead ends: 2628 [2020-07-21 01:26:34,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 534 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 01:26:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2020-07-21 01:26:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2617. [2020-07-21 01:26:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2020-07-21 01:26:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 2825 transitions. [2020-07-21 01:26:34,638 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 2825 transitions. Word has length 269 [2020-07-21 01:26:34,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:34,638 INFO L479 AbstractCegarLoop]: Abstraction has 2617 states and 2825 transitions. [2020-07-21 01:26:34,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:26:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 2825 transitions. [2020-07-21 01:26:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-07-21 01:26:34,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:34,648 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, 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 01:26:34,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:34,863 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:34,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:34,863 INFO L82 PathProgramCache]: Analyzing trace with hash -352519467, now seen corresponding path program 1 times [2020-07-21 01:26:34,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:34,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999738463] [2020-07-21 01:26:34,864 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 01:26:35,006 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:26:35,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:35,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:26:35,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:35,083 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 01:26:35,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:26:35,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999738463] [2020-07-21 01:26:35,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:26:35,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:26:35,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803636545] [2020-07-21 01:26:35,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:26:35,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:35,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:26:35,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:26:35,086 INFO L87 Difference]: Start difference. First operand 2617 states and 2825 transitions. Second operand 3 states. [2020-07-21 01:26:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:35,593 INFO L93 Difference]: Finished difference Result 5610 states and 6131 transitions. [2020-07-21 01:26:35,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:26:35,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-07-21 01:26:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:35,606 INFO L225 Difference]: With dead ends: 5610 [2020-07-21 01:26:35,607 INFO L226 Difference]: Without dead ends: 2755 [2020-07-21 01:26:35,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 284 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 01:26:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-07-21 01:26:35,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2753. [2020-07-21 01:26:35,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2753 states. [2020-07-21 01:26:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 2958 transitions. [2020-07-21 01:26:35,669 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 2958 transitions. Word has length 286 [2020-07-21 01:26:35,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:35,670 INFO L479 AbstractCegarLoop]: Abstraction has 2753 states and 2958 transitions. [2020-07-21 01:26:35,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:26:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 2958 transitions. [2020-07-21 01:26:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-07-21 01:26:35,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:26:35,681 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-07-21 01:26:35,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:35,896 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:26:35,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:26:35,896 INFO L82 PathProgramCache]: Analyzing trace with hash 371940754, now seen corresponding path program 1 times [2020-07-21 01:26:35,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:26:35,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146238482] [2020-07-21 01:26:35,897 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 01:26:36,052 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:26:36,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:26:36,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:26:36,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:26:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-21 01:26:36,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:26:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-07-21 01:26:36,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146238482] [2020-07-21 01:26:36,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:26:36,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:26:36,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669369819] [2020-07-21 01:26:36,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:26:36,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:26:36,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:26:36,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:26:36,258 INFO L87 Difference]: Start difference. First operand 2753 states and 2958 transitions. Second operand 7 states. [2020-07-21 01:26:37,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:26:37,075 INFO L93 Difference]: Finished difference Result 3191 states and 3422 transitions. [2020-07-21 01:26:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:26:37,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 307 [2020-07-21 01:26:37,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:26:37,076 INFO L225 Difference]: With dead ends: 3191 [2020-07-21 01:26:37,077 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:26:37,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 610 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 01:26:37,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:26:37,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:26:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:26:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:26:37,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2020-07-21 01:26:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:26:37,084 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:26:37,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:26:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:26:37,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:26:37,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:26:37,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:26:39,002 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 144 DAG size of output: 105 [2020-07-21 01:26:39,432 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 54 [2020-07-21 01:26:39,853 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-07-21 01:26:39,857 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:26:39,858 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 01:26:39,858 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:26:39,858 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,859 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,859 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,859 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,859 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,859 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 01:26:39,860 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,861 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 01:26:39,862 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:26:39,863 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 586) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:26:39,864 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 01:26:39,865 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 01:26:39,866 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 01:26:39,867 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,868 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 01:26:39,869 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:26:39,870 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 01:26:39,871 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,872 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 01:26:39,873 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,874 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 01:26:39,875 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 01:26:39,876 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 01:26:39,877 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,877 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,877 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,877 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse25 (= ~a11~0 |old(~a11~0)|)) (.cse20 (<= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (< ~a17~0 9)) (.cse7 (<= |old(~a28~0)| ~a28~0)) (.cse18 (= 1 ~a25~0)) (.cse26 (= 1 |old(~a25~0)|))) (let ((.cse12 (= 1 ~a19~0)) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse15 (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|)))) (.cse14 (= 8 ~a17~0)) (.cse13 (<= ~a11~0 |old(~a11~0)|)) (.cse17 (not (<= |old(~a17~0)| 7))) (.cse4 (= 1 ~a11~0)) (.cse3 (and .cse26 (not (< 9 |old(~a28~0)|)))) (.cse10 (not (= 1 |old(~a11~0)|))) (.cse24 (and .cse25 .cse20 .cse5 .cse6 .cse7 .cse18)) (.cse21 (not (< |old(~a28~0)| 11))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse22 (not (<= |old(~a28~0)| 7))) (.cse19 (not .cse26)) (.cse1 (not (<= |old(~a28~0)| 9))) (.cse2 (not (< |old(~a17~0)| 9))) (.cse23 (and .cse20 .cse25 .cse5 .cse6 .cse7 .cse8)) (.cse9 (not (= 1 ~a21~0))) (.cse16 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (<= ~a28~0 9) .cse5 .cse6 .cse7 .cse8) (not (< 8 |old(~a28~0)|)) .cse9 .cse10) (or .cse0 (not (= 10 |old(~a28~0)|)) .cse11 (and .cse12 .cse13 (= 10 ~a28~0) .cse14) .cse15 .cse9 .cse16) (or (and (<= ~a17~0 |old(~a17~0)|) .cse7 .cse8) .cse17 .cse9) (or .cse0 (and .cse12 .cse4 (= 9 ~a28~0) .cse14 .cse18) .cse11 .cse19 .cse9 (not (= 9 |old(~a28~0)|)) .cse10) (or .cse0 .cse11 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) .cse15 .cse9 .cse14 .cse16) (or .cse13 .cse17 .cse9 .cse16) (or .cse0 (and .cse20 .cse4 .cse5 .cse6 .cse7 .cse18) .cse19 .cse2 .cse3 .cse9 .cse21 .cse10) (or .cse22 .cse2 .cse23 .cse9 .cse10) (or .cse0 .cse24 .cse19 .cse2 .cse9 .cse16) (or .cse24 .cse19 .cse2 .cse9 .cse16 .cse21) (or .cse0 .cse22 .cse19 .cse2 (and .cse20 .cse5 .cse6 .cse7 .cse18) .cse9) (or .cse1 .cse2 .cse23 .cse9 .cse16)))) [2020-07-21 01:26:39,877 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 01:26:39,878 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,879 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 01:26:39,880 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 01:26:39,881 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 01:26:39,882 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 01:26:39,883 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 01:26:39,884 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:26:39,885 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 01:26:39,885 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:26:39,885 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:26:39,885 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 (= 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 01:26:39,885 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (= 8 ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse0 (= 1 ~a19~0)) (.cse7 (<= ~a28~0 7)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse2 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse4 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (< 8 ~a28~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 (<= ~a28~0 9) .cse3) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 (<= ~a11~0 0) (= 10 ~a28~0) .cse6) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse1 (= 9 ~a28~0) .cse6) (<= ~a17~0 7) (and .cse1 .cse3 .cse7) (and .cse0 .cse3 .cse7 .cse4) (and .cse5 .cse2 .cse3 .cse4))) [2020-07-21 01:26:39,885 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:26:39,886 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:26:39,886 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse6 (= 8 ~a17~0)) (.cse1 (= 1 ~a11~0)) (.cse0 (= 1 ~a19~0)) (.cse7 (<= ~a28~0 7)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse2 (< ~a28~0 11)) (.cse3 (< ~a17~0 9)) (.cse4 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (< 8 ~a28~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 .cse4) (not (= 7 |old(~a28~0)|)) (and .cse5 (<= ~a28~0 9) .cse3) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse1 (= 9 ~a28~0) .cse6) (and .cse0 (<= ~a11~0 0) (= 10 ~a28~0) .cse6 (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (<= ~a17~0 7) (and .cse1 .cse3 .cse7) (and .cse0 .cse3 .cse7 .cse4) (and .cse5 .cse2 .cse3 .cse4))) [2020-07-21 01:26:39,886 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 01:26:39,886 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 01:26:39,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:26:39 BoogieIcfgContainer [2020-07-21 01:26:39,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:26:39,917 INFO L168 Benchmark]: Toolchain (without parser) took 25112.73 ms. Allocated memory was 138.9 MB in the beginning and 537.4 MB in the end (delta: 398.5 MB). Free memory was 101.6 MB in the beginning and 155.7 MB in the end (delta: -54.0 MB). Peak memory consumption was 416.1 MB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,918 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,921 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,927 INFO L168 Benchmark]: Boogie Preprocessor took 93.11 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,928 INFO L168 Benchmark]: RCFGBuilder took 1261.78 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.7 MB in the beginning and 181.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,931 INFO L168 Benchmark]: TraceAbstraction took 23078.91 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.8 MB in the beginning and 155.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 396.7 MB. Max. memory is 7.1 GB. [2020-07-21 01:26:39,937 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.66 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 35.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.11 ms. Allocated memory is still 205.0 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.78 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.7 MB in the beginning and 181.8 MB in the end (delta: -15.1 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23078.91 ms. Allocated memory was 238.6 MB in the beginning and 537.4 MB in the end (delta: 298.8 MB). Free memory was 181.8 MB in the beginning and 155.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 396.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 586]: 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)) || (((((1 == a19 && 8 < a28) && 1 == a11) && a28 < 11) && a17 < 9) && 1 == a25)) || (((1 == a19 && a11 == \old(a11)) && a17 < 9) && 1 == a25)) || !(7 == \old(a28))) || ((a11 == \old(a11) && a28 <= 9) && a17 < 9)) || !(1 == a21)) || !(\old(a11) <= 0)) || (((1 == a19 && a11 <= 0) && 10 == a28) && 8 == a17)) || !(8 == \old(a17))) || !(\old(a25) <= 0)) || (((1 == a19 && 1 == a11) && 9 == a28) && 8 == a17)) || a17 <= 7) || ((1 == a11 && a17 < 9) && a28 <= 7)) || (((1 == a19 && a17 < 9) && a28 <= 7) && 1 == a25)) || (((a11 == \old(a11) && a28 < 11) && a17 < 9) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.3s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 806 SDtfs, 5807 SDslu, 791 SDs, 0 SdLazy, 9543 SolverSat, 1183 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3630 GetRequests, 3517 SyntacticMatches, 5 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2753occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 123 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 103 PreInvPairs, 149 NumberOfFragments, 837 HoareAnnotationTreeSize, 103 FomulaSimplifications, 1703 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3199 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2097 NumberOfCodeBlocks, 1234 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3561 ConstructedInterpolants, 0 QuantifiedInterpolants, 2622466 SizeOfPredicates, 47 NumberOfNonLiveVariables, 3712 ConjunctsInSsa, 165 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 1606/1648 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...