/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:54:17,523 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 22:54:17,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:54:17,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:54:17,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:54:17,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 22:54:17,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:54:17,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:54:17,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:54:17,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:54:17,592 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:54:17,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:54:17,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:54:17,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:54:17,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:54:17,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:54:17,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:54:17,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:54:17,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:54:17,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:54:17,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:54:17,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:54:17,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:54:17,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:54:17,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:54:17,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:54:17,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:54:17,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:54:17,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:54:17,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:54:17,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:54:17,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:54:17,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:17,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:54:17,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:54:17,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:54:17,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:54:17,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:54:17,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:54:17,882 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:54:17,882 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:54:17,884 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-21 22:54:17,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bff4680/a9504119b21248ce924363bbafdb7160/FLAGac3031f7e [2020-07-21 22:54:18,469 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:54:18,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-21 22:54:18,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bff4680/a9504119b21248ce924363bbafdb7160/FLAGac3031f7e [2020-07-21 22:54:18,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bff4680/a9504119b21248ce924363bbafdb7160 [2020-07-21 22:54:18,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:54:18,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:54:18,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:54:18,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:54:18,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:54:18,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:54:18" (1/1) ... [2020-07-21 22:54:18,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd8fd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:18, skipping insertion in model container [2020-07-21 22:54:18,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:54:18" (1/1) ... [2020-07-21 22:54:18,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:54:18,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:54:19,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:54:19,310 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:54:19,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:54:19,538 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:54:19,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19 WrapperNode [2020-07-21 22:54:19,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:54:19,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:54:19,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:54:19,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:54:19,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... [2020-07-21 22:54:19,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:54:19,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:54:19,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:54:19,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:54:19,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:54:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:54:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:54:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 22:54:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:54:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 22:54:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:54:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 22:54:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:54:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:54:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:54:19,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:54:20,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:54:20,772 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 22:54:20,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:54:20 BoogieIcfgContainer [2020-07-21 22:54:20,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:54:20,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:54:20,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:54:20,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:54:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:54:18" (1/3) ... [2020-07-21 22:54:20,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fc2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:54:20, skipping insertion in model container [2020-07-21 22:54:20,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:54:19" (2/3) ... [2020-07-21 22:54:20,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168fc2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:54:20, skipping insertion in model container [2020-07-21 22:54:20,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:54:20" (3/3) ... [2020-07-21 22:54:20,794 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-07-21 22:54:20,804 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:54:20,814 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:54:20,828 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:54:20,852 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:54:20,853 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:54:20,853 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:54:20,853 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:54:20,853 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:54:20,853 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:54:20,854 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:54:20,854 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:54:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 22:54:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-21 22:54:20,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:20,891 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] [2020-07-21 22:54:20,892 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:20,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1255491721, now seen corresponding path program 1 times [2020-07-21 22:54:20,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:20,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035928] [2020-07-21 22:54:20,904 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:21,057 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:21,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:21,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 22:54:21,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:21,592 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:21,617 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 22:54:21,618 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 22:54:21,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:21,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:21,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035928] [2020-07-21 22:54:21,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:21,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 22:54:21,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668291254] [2020-07-21 22:54:21,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 22:54:21,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 22:54:21,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:54:21,770 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 22:54:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:22,876 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 22:54:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 22:54:22,878 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-07-21 22:54:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:22,892 INFO L225 Difference]: With dead ends: 527 [2020-07-21 22:54:22,892 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 22:54:22,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 22:54:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 22:54:22,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 22:54:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 22:54:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 22:54:22,958 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 135 [2020-07-21 22:54:22,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:22,959 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 22:54:22,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 22:54:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 22:54:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-21 22:54:22,965 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:22,965 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] [2020-07-21 22:54:23,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:23,167 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:23,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:23,168 INFO L82 PathProgramCache]: Analyzing trace with hash 603998840, now seen corresponding path program 1 times [2020-07-21 22:54:23,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:23,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559656896] [2020-07-21 22:54:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:23,294 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:23,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:23,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 22:54:23,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:23,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:24,205 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 22:54:24,207 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 22:54:24,208 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 22:54:24,209 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 22:54:24,210 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 22:54:24,229 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 22:54:24,230 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:54:24,269 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:24,347 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:24,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559656896] [2020-07-21 22:54:24,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:24,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 22:54:24,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752104997] [2020-07-21 22:54:24,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 22:54:24,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:24,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 22:54:24,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 22:54:24,496 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 22:54:25,488 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 22:54:26,556 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 22:54:27,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:27,980 INFO L93 Difference]: Finished difference Result 738 states and 1083 transitions. [2020-07-21 22:54:27,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 22:54:27,981 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 144 [2020-07-21 22:54:27,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:27,992 INFO L225 Difference]: With dead ends: 738 [2020-07-21 22:54:27,992 INFO L226 Difference]: Without dead ends: 423 [2020-07-21 22:54:27,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 265 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=516, Invalid=1290, Unknown=0, NotChecked=0, Total=1806 [2020-07-21 22:54:27,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-07-21 22:54:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 393. [2020-07-21 22:54:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 22:54:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 533 transitions. [2020-07-21 22:54:28,033 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 533 transitions. Word has length 144 [2020-07-21 22:54:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:28,033 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 533 transitions. [2020-07-21 22:54:28,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 22:54:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 533 transitions. [2020-07-21 22:54:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 22:54:28,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:28,037 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] [2020-07-21 22:54:28,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:28,251 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:28,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1577723013, now seen corresponding path program 1 times [2020-07-21 22:54:28,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:28,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638067458] [2020-07-21 22:54:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:28,333 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 22:54:28,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:28,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 22:54:28,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:28,364 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 22:54:28,364 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:28,388 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 22:54:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:28,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:28,508 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:54:28,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:28,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:54:28,589 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:28,593 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:54:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:28,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638067458] [2020-07-21 22:54:28,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:28,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:28,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118453610] [2020-07-21 22:54:28,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:28,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:28,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:28,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:28,615 INFO L87 Difference]: Start difference. First operand 393 states and 533 transitions. Second operand 7 states. [2020-07-21 22:54:30,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:30,174 INFO L93 Difference]: Finished difference Result 1434 states and 2028 transitions. [2020-07-21 22:54:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 22:54:30,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-07-21 22:54:30,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:30,183 INFO L225 Difference]: With dead ends: 1434 [2020-07-21 22:54:30,184 INFO L226 Difference]: Without dead ends: 1047 [2020-07-21 22:54:30,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 311 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 22:54:30,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-07-21 22:54:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1015. [2020-07-21 22:54:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:54:30,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1271 transitions. [2020-07-21 22:54:30,238 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1271 transitions. Word has length 156 [2020-07-21 22:54:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:30,239 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1271 transitions. [2020-07-21 22:54:30,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1271 transitions. [2020-07-21 22:54:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-21 22:54:30,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:30,244 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] [2020-07-21 22:54:30,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:30,457 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash -776139634, now seen corresponding path program 1 times [2020-07-21 22:54:30,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:30,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1319426814] [2020-07-21 22:54:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:30,559 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:30,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:30,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 33 conjunts are in the unsatisfiable core [2020-07-21 22:54:30,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 22:54:30,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:30,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1319426814] [2020-07-21 22:54:30,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:30,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:54:30,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658707113] [2020-07-21 22:54:30,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:54:30,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:30,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:54:30,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:54:30,690 INFO L87 Difference]: Start difference. First operand 1015 states and 1271 transitions. Second operand 4 states. [2020-07-21 22:54:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:31,326 INFO L93 Difference]: Finished difference Result 2113 states and 2722 transitions. [2020-07-21 22:54:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:54:31,330 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2020-07-21 22:54:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:31,339 INFO L225 Difference]: With dead ends: 2113 [2020-07-21 22:54:31,340 INFO L226 Difference]: Without dead ends: 1015 [2020-07-21 22:54:31,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 174 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 22:54:31,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-07-21 22:54:31,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2020-07-21 22:54:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2020-07-21 22:54:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1265 transitions. [2020-07-21 22:54:31,404 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1265 transitions. Word has length 177 [2020-07-21 22:54:31,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:31,406 INFO L479 AbstractCegarLoop]: Abstraction has 1015 states and 1265 transitions. [2020-07-21 22:54:31,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:54:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1265 transitions. [2020-07-21 22:54:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-21 22:54:31,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:31,413 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] [2020-07-21 22:54:31,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:31,627 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash 203752113, now seen corresponding path program 1 times [2020-07-21 22:54:31,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:31,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870693638] [2020-07-21 22:54:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:31,719 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:31,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:31,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:31,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:31,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:31,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870693638] [2020-07-21 22:54:31,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:31,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:54:31,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469083663] [2020-07-21 22:54:31,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:54:31,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:31,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:54:31,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:54:31,868 INFO L87 Difference]: Start difference. First operand 1015 states and 1265 transitions. Second operand 6 states. [2020-07-21 22:54:32,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:32,742 INFO L93 Difference]: Finished difference Result 2370 states and 3062 transitions. [2020-07-21 22:54:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:54:32,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2020-07-21 22:54:32,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:32,754 INFO L225 Difference]: With dead ends: 2370 [2020-07-21 22:54:32,755 INFO L226 Difference]: Without dead ends: 1361 [2020-07-21 22:54:32,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 356 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:32,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2020-07-21 22:54:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1324. [2020-07-21 22:54:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1324 states. [2020-07-21 22:54:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1645 transitions. [2020-07-21 22:54:32,819 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1645 transitions. Word has length 180 [2020-07-21 22:54:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:32,820 INFO L479 AbstractCegarLoop]: Abstraction has 1324 states and 1645 transitions. [2020-07-21 22:54:32,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:54:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1645 transitions. [2020-07-21 22:54:32,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-21 22:54:32,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:32,833 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] [2020-07-21 22:54:33,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:33,048 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:33,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:33,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1937519014, now seen corresponding path program 1 times [2020-07-21 22:54:33,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:33,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173842838] [2020-07-21 22:54:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:33,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:33,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:33,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:54:33,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:33,207 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 22:54:33,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:33,270 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 22:54:33,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173842838] [2020-07-21 22:54:33,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:33,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:33,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908308668] [2020-07-21 22:54:33,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:33,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:33,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:33,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:33,273 INFO L87 Difference]: Start difference. First operand 1324 states and 1645 transitions. Second operand 7 states. [2020-07-21 22:54:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:34,085 INFO L93 Difference]: Finished difference Result 3596 states and 4835 transitions. [2020-07-21 22:54:34,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:54:34,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-07-21 22:54:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:34,098 INFO L225 Difference]: With dead ends: 3596 [2020-07-21 22:54:34,099 INFO L226 Difference]: Without dead ends: 2278 [2020-07-21 22:54:34,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-07-21 22:54:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2234. [2020-07-21 22:54:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-07-21 22:54:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2805 transitions. [2020-07-21 22:54:34,170 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2805 transitions. Word has length 183 [2020-07-21 22:54:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:34,171 INFO L479 AbstractCegarLoop]: Abstraction has 2234 states and 2805 transitions. [2020-07-21 22:54:34,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2805 transitions. [2020-07-21 22:54:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-21 22:54:34,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:34,178 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:54:34,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:34,393 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:34,393 INFO L82 PathProgramCache]: Analyzing trace with hash 250879363, now seen corresponding path program 1 times [2020-07-21 22:54:34,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:34,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273087860] [2020-07-21 22:54:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:34,488 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:34,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:34,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:34,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:34,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 22:54:34,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273087860] [2020-07-21 22:54:34,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:34,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:34,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829211206] [2020-07-21 22:54:34,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:34,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:34,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:34,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:34,645 INFO L87 Difference]: Start difference. First operand 2234 states and 2805 transitions. Second operand 7 states. [2020-07-21 22:54:35,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:35,671 INFO L93 Difference]: Finished difference Result 5526 states and 7040 transitions. [2020-07-21 22:54:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:54:35,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 190 [2020-07-21 22:54:35,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:35,689 INFO L225 Difference]: With dead ends: 5526 [2020-07-21 22:54:35,689 INFO L226 Difference]: Without dead ends: 2560 [2020-07-21 22:54:35,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 375 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2020-07-21 22:54:35,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 2362. [2020-07-21 22:54:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-07-21 22:54:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2885 transitions. [2020-07-21 22:54:35,766 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2885 transitions. Word has length 190 [2020-07-21 22:54:35,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:35,767 INFO L479 AbstractCegarLoop]: Abstraction has 2362 states and 2885 transitions. [2020-07-21 22:54:35,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2885 transitions. [2020-07-21 22:54:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-07-21 22:54:35,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:35,774 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:35,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:35,990 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:35,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2111410899, now seen corresponding path program 1 times [2020-07-21 22:54:35,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:35,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261120616] [2020-07-21 22:54:35,991 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:36,080 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:36,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:36,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:36,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:36,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:36,303 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:36,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261120616] [2020-07-21 22:54:36,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:36,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:36,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677012997] [2020-07-21 22:54:36,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:36,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:36,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:36,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:36,309 INFO L87 Difference]: Start difference. First operand 2362 states and 2885 transitions. Second operand 7 states. [2020-07-21 22:54:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:37,438 INFO L93 Difference]: Finished difference Result 4875 states and 5962 transitions. [2020-07-21 22:54:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 22:54:37,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-07-21 22:54:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:37,449 INFO L225 Difference]: With dead ends: 4875 [2020-07-21 22:54:37,450 INFO L226 Difference]: Without dead ends: 2363 [2020-07-21 22:54:37,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 403 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 22:54:37,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2020-07-21 22:54:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 2347. [2020-07-21 22:54:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2347 states. [2020-07-21 22:54:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 2603 transitions. [2020-07-21 22:54:37,507 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 2603 transitions. Word has length 204 [2020-07-21 22:54:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:37,507 INFO L479 AbstractCegarLoop]: Abstraction has 2347 states and 2603 transitions. [2020-07-21 22:54:37,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2603 transitions. [2020-07-21 22:54:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-21 22:54:37,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:37,515 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:37,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:37,731 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:37,732 INFO L82 PathProgramCache]: Analyzing trace with hash 259892337, now seen corresponding path program 1 times [2020-07-21 22:54:37,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:37,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715276061] [2020-07-21 22:54:37,733 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:37,852 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:54:37,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:37,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:37,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-21 22:54:37,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:37,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715276061] [2020-07-21 22:54:37,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:37,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:54:37,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328307867] [2020-07-21 22:54:37,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:54:37,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:37,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:54:37,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:37,944 INFO L87 Difference]: Start difference. First operand 2347 states and 2603 transitions. Second operand 3 states. [2020-07-21 22:54:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:38,431 INFO L93 Difference]: Finished difference Result 4678 states and 5183 transitions. [2020-07-21 22:54:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:54:38,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-07-21 22:54:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:38,442 INFO L225 Difference]: With dead ends: 4678 [2020-07-21 22:54:38,442 INFO L226 Difference]: Without dead ends: 1894 [2020-07-21 22:54:38,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-07-21 22:54:38,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1600. [2020-07-21 22:54:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1600 states. [2020-07-21 22:54:38,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 1711 transitions. [2020-07-21 22:54:38,484 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 1711 transitions. Word has length 241 [2020-07-21 22:54:38,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:38,485 INFO L479 AbstractCegarLoop]: Abstraction has 1600 states and 1711 transitions. [2020-07-21 22:54:38,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:54:38,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1711 transitions. [2020-07-21 22:54:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-07-21 22:54:38,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:38,492 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:54:38,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:38,708 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:38,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:38,709 INFO L82 PathProgramCache]: Analyzing trace with hash -2000175605, now seen corresponding path program 1 times [2020-07-21 22:54:38,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:38,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554017883] [2020-07-21 22:54:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:38,827 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:38,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:38,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:38,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-07-21 22:54:38,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 146 proven. 36 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-21 22:54:39,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554017883] [2020-07-21 22:54:39,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:39,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 22:54:39,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264949077] [2020-07-21 22:54:39,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:54:39,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:39,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:54:39,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:54:39,026 INFO L87 Difference]: Start difference. First operand 1600 states and 1711 transitions. Second operand 6 states. [2020-07-21 22:54:39,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:39,789 INFO L93 Difference]: Finished difference Result 3663 states and 3984 transitions. [2020-07-21 22:54:39,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:54:39,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 254 [2020-07-21 22:54:39,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:39,797 INFO L225 Difference]: With dead ends: 3663 [2020-07-21 22:54:39,797 INFO L226 Difference]: Without dead ends: 2069 [2020-07-21 22:54:39,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 504 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2020-07-21 22:54:39,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 2046. [2020-07-21 22:54:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2046 states. [2020-07-21 22:54:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2194 transitions. [2020-07-21 22:54:39,853 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2194 transitions. Word has length 254 [2020-07-21 22:54:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:39,854 INFO L479 AbstractCegarLoop]: Abstraction has 2046 states and 2194 transitions. [2020-07-21 22:54:39,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:54:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2194 transitions. [2020-07-21 22:54:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-07-21 22:54:39,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:39,863 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-21 22:54:40,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:40,077 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:40,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:40,078 INFO L82 PathProgramCache]: Analyzing trace with hash -2130044141, now seen corresponding path program 1 times [2020-07-21 22:54:40,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:40,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139796434] [2020-07-21 22:54:40,079 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:40,198 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:54:40,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:40,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 22:54:40,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 188 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-21 22:54:40,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 164 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-21 22:54:40,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139796434] [2020-07-21 22:54:40,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:40,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 22:54:40,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208577757] [2020-07-21 22:54:40,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:54:40,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:40,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:54:40,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:54:40,440 INFO L87 Difference]: Start difference. First operand 2046 states and 2194 transitions. Second operand 7 states. [2020-07-21 22:54:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:41,389 INFO L93 Difference]: Finished difference Result 4692 states and 5055 transitions. [2020-07-21 22:54:41,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:54:41,389 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 272 [2020-07-21 22:54:41,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:41,398 INFO L225 Difference]: With dead ends: 4692 [2020-07-21 22:54:41,398 INFO L226 Difference]: Without dead ends: 2502 [2020-07-21 22:54:41,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:54:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2020-07-21 22:54:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2483. [2020-07-21 22:54:41,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2483 states. [2020-07-21 22:54:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 2632 transitions. [2020-07-21 22:54:41,459 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 2632 transitions. Word has length 272 [2020-07-21 22:54:41,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:41,459 INFO L479 AbstractCegarLoop]: Abstraction has 2483 states and 2632 transitions. [2020-07-21 22:54:41,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:54:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2632 transitions. [2020-07-21 22:54:41,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-07-21 22:54:41,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:41,472 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 22:54:41,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:41,686 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:41,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash -472548875, now seen corresponding path program 1 times [2020-07-21 22:54:41,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:41,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818041016] [2020-07-21 22:54:41,687 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:41,809 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:54:41,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:41,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-21 22:54:41,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:41,920 INFO L501 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-07-21 22:54:41,921 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 22:54:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 237 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:42,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:54:42,175 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 22:54:42,176 INFO L501 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-07-21 22:54:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 218 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:54:42,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818041016] [2020-07-21 22:54:42,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:54:42,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 16 [2020-07-21 22:54:42,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895093022] [2020-07-21 22:54:42,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-21 22:54:42,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:42,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-21 22:54:42,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2020-07-21 22:54:42,393 INFO L87 Difference]: Start difference. First operand 2483 states and 2632 transitions. Second operand 16 states. [2020-07-21 22:54:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:45,141 INFO L93 Difference]: Finished difference Result 4718 states and 5077 transitions. [2020-07-21 22:54:45,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-21 22:54:45,143 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 277 [2020-07-21 22:54:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:45,151 INFO L225 Difference]: With dead ends: 4718 [2020-07-21 22:54:45,151 INFO L226 Difference]: Without dead ends: 2542 [2020-07-21 22:54:45,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=331, Invalid=859, Unknown=0, NotChecked=0, Total=1190 [2020-07-21 22:54:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-07-21 22:54:45,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2480. [2020-07-21 22:54:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2480 states. [2020-07-21 22:54:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 2617 transitions. [2020-07-21 22:54:45,206 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 2617 transitions. Word has length 277 [2020-07-21 22:54:45,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:45,206 INFO L479 AbstractCegarLoop]: Abstraction has 2480 states and 2617 transitions. [2020-07-21 22:54:45,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-21 22:54:45,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2617 transitions. [2020-07-21 22:54:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-07-21 22:54:45,216 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:54:45,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-07-21 22:54:45,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:45,430 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:54:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:54:45,430 INFO L82 PathProgramCache]: Analyzing trace with hash 80191465, now seen corresponding path program 1 times [2020-07-21 22:54:45,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:54:45,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686619770] [2020-07-21 22:54:45,431 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:45,586 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:54:45,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:54:45,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:54:45,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:54:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-21 22:54:45,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:54:45,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686619770] [2020-07-21 22:54:45,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:54:45,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 22:54:45,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574014612] [2020-07-21 22:54:45,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 22:54:45,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:54:45,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 22:54:45,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:45,664 INFO L87 Difference]: Start difference. First operand 2480 states and 2617 transitions. Second operand 3 states. [2020-07-21 22:54:46,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:54:46,126 INFO L93 Difference]: Finished difference Result 5242 states and 5569 transitions. [2020-07-21 22:54:46,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 22:54:46,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2020-07-21 22:54:46,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:54:46,127 INFO L225 Difference]: With dead ends: 5242 [2020-07-21 22:54:46,128 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:54:46,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 22:54:46,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:54:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:54:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:54:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:54:46,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2020-07-21 22:54:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:54:46,138 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:54:46,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 22:54:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:54:46,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:54:46,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:54:46,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:54:46,953 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 151 [2020-07-21 22:54:47,185 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 162 [2020-07-21 22:54:49,404 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 193 DAG size of output: 117 [2020-07-21 22:54:50,240 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 63 [2020-07-21 22:54:51,063 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-07-21 22:54:51,067 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:54:51,068 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)|) (= ~a19~0 |old(~a19~0)|) (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) (not (= 1 ~a21~0))) (<= |old(~a28~0)| ~a28~0) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 22:54:51,068 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:54:51,068 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,068 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,068 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 22:54:51,069 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,070 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 22:54:51,071 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,072 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 22:54:51,073 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,074 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 22:54:51,075 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,076 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 22:54:51,077 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 22:54:51,078 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 22:54:51,079 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 22:54:51,080 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 22:54:51,081 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 22:54:51,082 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 22:54:51,083 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,083 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,083 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,083 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a25~0)|)) (.cse28 (= 1 ~a25~0)) (.cse26 (<= ~a11~0 0)) (.cse27 (< 0 |old(~a11~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse23 (= ~a28~0 |old(~a28~0)|)) (.cse22 (<= ~a11~0 |old(~a11~0)|)) (.cse7 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (= ~a19~0 |old(~a19~0)|)) (.cse12 (<= |old(~a28~0)| ~a28~0)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse8 (<= ~a28~0 |old(~a28~0)|)) (.cse14 (not (< |old(~a28~0)| 11))) (.cse18 (and .cse22 .cse7 .cse11 .cse12 .cse13)) (.cse15 (not (<= |old(~a19~0)| 0))) (.cse3 (and .cse7 .cse10 .cse11 .cse23 .cse13)) (.cse6 (not (<= 10 |old(~a28~0)|))) (.cse19 (not (<= |old(~a17~0)| 7))) (.cse9 (or .cse26 .cse27)) (.cse24 (and .cse7 .cse10 .cse11 .cse23 .cse28)) (.cse2 (not (<= 8 |old(~a17~0)|))) (.cse20 (not (= 8 |old(~a17~0)|))) (.cse21 (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|)))) (.cse4 (not (< 8 |old(~a28~0)|))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse1 (not (<= |old(~a28~0)| 9))) (.cse25 (not .cse17)) (.cse5 (not (= 1 ~a21~0))) (.cse16 (not (<= |old(~a11~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) .cse5 .cse14) (or .cse2 .cse15 .cse3 .cse5 .cse16) (or (and .cse17 (not (< 9 |old(~a28~0)|))) .cse18 .cse19 .cse4 .cse5 .cse16) (or .cse1 (and .cse7 .cse8 .cse9 .cse11 .cse12 .cse13) .cse15 .cse19 .cse5) (or .cse0 .cse20 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) .cse21 .cse5 (and .cse22 .cse11 .cse23 (= 8 ~a17~0) .cse13) .cse16) (or .cse24 .cse2 .cse25 .cse15 .cse5 .cse14) (or .cse22 .cse2 .cse15 .cse5 .cse16) (or .cse0 .cse26 .cse25 .cse27 .cse5) (or .cse0 .cse20 (= 1 ~a11~0) .cse25 .cse5 (not (= 9 |old(~a28~0)|)) (not (= 1 |old(~a11~0)|))) (or .cse0 .cse19 .cse18 .cse5 .cse16) (or .cse1 .cse2 .cse15 .cse3 .cse5) (or (and .cse7 .cse11 .cse12 .cse13) .cse19 .cse6 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse25 .cse19 (and .cse7 .cse9 .cse11 .cse23 .cse28) .cse5) (or .cse0 .cse24 .cse2 .cse25 .cse5) (or .cse0 .cse22 (not (= 10 |old(~a28~0)|)) .cse20 .cse21 .cse5 .cse16) (or .cse0 .cse22 .cse1 .cse4 .cse5 .cse16) (or .cse0 .cse22 .cse1 .cse25 .cse5 .cse16)))) [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 22:54:51,084 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,085 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 22:54:51,086 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,087 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 22:54:51,088 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:54:51,089 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 22:54:51,090 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 22:54:51,090 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 22:54:51,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:54:51,090 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 22:54:51,090 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:54:51,090 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:54:51,090 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)|)) (not (= 1 ~a21~0)) (and (<= ~a11~0 |old(~a11~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0))) [2020-07-21 22:54:51,091 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= 1 ~a25~0))) (let ((.cse8 (<= ~a17~0 7)) (.cse9 (<= 10 ~a28~0)) (.cse3 (< ~a28~0 11)) (.cse6 (or (< 9 ~a28~0) (not .cse5))) (.cse7 (< 8 ~a28~0)) (.cse1 (<= ~a11~0 0)) (.cse4 (<= ~a19~0 0)) (.cse0 (= 1 ~a19~0)) (.cse2 (<= ~a17~0 |old(~a17~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse11 (<= ~a28~0 9))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 (<= ~a25~0 0) (= 7 ~a28~0) (= 8 ~a17~0)) (and .cse2 .cse3 .cse4 .cse5) (not (= 7 |old(~a28~0)|)) (and .cse6 .cse7 .cse1 .cse8) (and .cse0 .cse1 .cse8) (and .cse8 .cse9) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse2 .cse10 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse8 (<= ~a28~0 7) .cse5) (and .cse0 .cse2 .cse9 .cse3) (and .cse2 .cse11 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse2 .cse6 .cse7 .cse1 .cse4) (and .cse0 .cse2 .cse10 .cse11 (<= 9 ~a28~0))))) [2020-07-21 22:54:51,091 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:54:51,091 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 22:54:51,091 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= 1 ~a25~0))) (let ((.cse7 (<= ~a17~0 7)) (.cse9 (<= 10 ~a28~0)) (.cse1 (< ~a28~0 11)) (.cse4 (or (< 9 ~a28~0) (not .cse3))) (.cse5 (< 8 ~a28~0)) (.cse6 (<= ~a11~0 0)) (.cse2 (<= ~a19~0 0)) (.cse8 (= 1 ~a19~0)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse10 (<= 8 ~a17~0)) (.cse11 (<= ~a28~0 9))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse6 .cse7) (and .cse7 .cse9) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0)) (and .cse8 .cse0 .cse10 .cse3) (and .cse8 .cse6 (<= ~a25~0 0) (= 7 ~a28~0) (= 8 ~a17~0) (or (= 1 main_~input~0) (= 6 main_~input~0) (= 4 main_~input~0) (= 5 main_~input~0) (= 3 main_~input~0))) (not (= 8 |old(~a17~0)|)) (and .cse7 (<= ~a28~0 7) .cse3) (and .cse8 .cse0 .cse9 .cse1) (and .cse0 .cse11 .cse2) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse4 .cse5 .cse6 .cse2) (and .cse8 .cse0 .cse10 .cse11 (<= 9 ~a28~0))))) [2020-07-21 22:54:51,091 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 22:54:51,091 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 22:54:51,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:54:51 BoogieIcfgContainer [2020-07-21 22:54:51,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:54:51,116 INFO L168 Benchmark]: Toolchain (without parser) took 32339.81 ms. Allocated memory was 145.8 MB in the beginning and 598.2 MB in the end (delta: 452.5 MB). Free memory was 102.1 MB in the beginning and 119.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 470.8 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,116 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.92 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,118 INFO L168 Benchmark]: Boogie Preprocessor took 103.91 ms. Allocated memory is still 205.5 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,118 INFO L168 Benchmark]: RCFGBuilder took 1141.45 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 168.4 MB in the beginning and 183.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,119 INFO L168 Benchmark]: TraceAbstraction took 30327.01 ms. Allocated memory was 239.6 MB in the beginning and 598.2 MB in the end (delta: 358.6 MB). Free memory was 183.5 MB in the beginning and 119.4 MB in the end (delta: 64.1 MB). Peak memory consumption was 458.3 MB. Max. memory is 7.1 GB. [2020-07-21 22:54:51,122 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.92 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 101.7 MB in the beginning and 173.3 MB in the end (delta: -71.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.91 ms. Allocated memory is still 205.5 MB. Free memory was 173.3 MB in the beginning and 168.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.45 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 168.4 MB in the beginning and 183.5 MB in the end (delta: -15.1 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30327.01 ms. Allocated memory was 239.6 MB in the beginning and 598.2 MB in the end (delta: 358.6 MB). Free memory was 183.5 MB in the beginning and 119.4 MB in the end (delta: 64.1 MB). Peak memory consumption was 458.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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 && a11 <= 0) && a25 <= 0) && 7 == a28) && 8 == a17)) || (((a17 <= \old(a17) && a28 < 11) && a19 <= 0) && 1 == a25)) || !(7 == \old(a28))) || ((((9 < a28 || !(1 == a25)) && 8 < a28) && a11 <= 0) && a17 <= 7)) || ((1 == a19 && a11 <= 0) && a17 <= 7)) || (a17 <= 7 && 10 <= a28)) || !(1 == a21)) || !(\old(a11) <= 0)) || (((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && 1 == a25)) || !(8 == \old(a17))) || ((a17 <= 7 && a28 <= 7) && 1 == a25)) || (((1 == a19 && a17 <= \old(a17)) && 10 <= a28) && a28 < 11)) || ((a17 <= \old(a17) && a28 <= 9) && a19 <= 0)) || !(\old(a25) <= 0)) || ((((a17 <= \old(a17) && (9 < a28 || !(1 == a25))) && 8 < a28) && a11 <= 0) && a19 <= 0)) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 9) && 9 <= a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1166 SDtfs, 8342 SDslu, 1067 SDs, 0 SdLazy, 12904 SolverSat, 1963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4642 GetRequests, 4484 SyntacticMatches, 10 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2483occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 755 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 172 PreInvPairs, 244 NumberOfFragments, 1068 HoareAnnotationTreeSize, 172 FomulaSimplifications, 31466 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16823 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2702 NumberOfCodeBlocks, 1734 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 4540 ConstructedInterpolants, 0 QuantifiedInterpolants, 3580917 SizeOfPredicates, 56 NumberOfNonLiveVariables, 5007 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 2323/2468 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...