/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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 01:24:15,389 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-21 01:24:15,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 01:24:15,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 01:24:15,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 01:24:15,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 01:24:15,512 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 01:24:15,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 01:24:15,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 01:24:15,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 01:24:15,514 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 01:24:15,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 01:24:15,514 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 01:24:15,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 01:24:15,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 01:24:15,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 01:24:15,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 01:24:15,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 01:24:15,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 01:24:15,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 01:24:15,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 01:24:15,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 01:24:15,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:24:15,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 01:24:15,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 01:24:15,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 01:24:15,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 01:24:15,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:15,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 01:24:15,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 01:24:15,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 01:24:15,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 01:24:15,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 01:24:15,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 01:24:15,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 01:24:15,832 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 01:24:15,833 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 01:24:15,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297183f01/98a08ca40db54a3eb0d3f4050fd421fe/FLAG384127e85 [2020-07-21 01:24:16,422 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 01:24:16,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label20.c [2020-07-21 01:24:16,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297183f01/98a08ca40db54a3eb0d3f4050fd421fe/FLAG384127e85 [2020-07-21 01:24:16,717 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/297183f01/98a08ca40db54a3eb0d3f4050fd421fe [2020-07-21 01:24:16,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 01:24:16,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 01:24:16,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 01:24:16,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 01:24:16,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 01:24:16,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:24:16" (1/1) ... [2020-07-21 01:24:16,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd9a6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:16, skipping insertion in model container [2020-07-21 01:24:16,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:24:16" (1/1) ... [2020-07-21 01:24:16,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 01:24:16,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 01:24:17,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:24:17,210 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 01:24:17,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 01:24:17,448 INFO L208 MainTranslator]: Completed translation [2020-07-21 01:24:17,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17 WrapperNode [2020-07-21 01:24:17,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 01:24:17,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 01:24:17,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 01:24:17,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 01:24:17,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... [2020-07-21 01:24:17,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 01:24:17,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 01:24:17,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 01:24:17,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 01:24:17,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 01:24:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 01:24:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 01:24:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 01:24:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 01:24:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 01:24:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 01:24:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 01:24:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 01:24:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 01:24:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 01:24:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 01:24:18,907 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 01:24:18,907 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 01:24:18,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:24:18 BoogieIcfgContainer [2020-07-21 01:24:18,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 01:24:18,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 01:24:18,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 01:24:18,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 01:24:18,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:24:16" (1/3) ... [2020-07-21 01:24:18,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d394ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:24:18, skipping insertion in model container [2020-07-21 01:24:18,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:24:17" (2/3) ... [2020-07-21 01:24:18,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d394ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:24:18, skipping insertion in model container [2020-07-21 01:24:18,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:24:18" (3/3) ... [2020-07-21 01:24:18,926 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2020-07-21 01:24:18,937 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 01:24:18,944 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 01:24:18,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 01:24:18,980 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 01:24:18,980 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 01:24:18,981 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 01:24:18,981 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 01:24:18,982 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 01:24:18,982 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 01:24:18,983 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 01:24:18,983 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 01:24:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-21 01:24:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-07-21 01:24:19,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:19,020 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] [2020-07-21 01:24:19,021 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:19,027 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2020-07-21 01:24:19,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:19,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989351323] [2020-07-21 01:24:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:19,216 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:24:19,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:19,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 52 conjunts are in the unsatisfiable core [2020-07-21 01:24:19,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:19,552 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-07-21 01:24:19,842 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 01:24:19,847 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-07-21 01:24:19,847 INFO L501 QuantifierPusher]: Distributing 1 conjuncts over 2 disjuncts [2020-07-21 01:24:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:19,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:19,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989351323] [2020-07-21 01:24:19,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:19,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 01:24:19,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873252447] [2020-07-21 01:24:19,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 01:24:19,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:19,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 01:24:19,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-07-21 01:24:19,949 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 10 states. [2020-07-21 01:24:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:21,101 INFO L93 Difference]: Finished difference Result 527 states and 878 transitions. [2020-07-21 01:24:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-21 01:24:21,104 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-07-21 01:24:21,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:21,126 INFO L225 Difference]: With dead ends: 527 [2020-07-21 01:24:21,126 INFO L226 Difference]: Without dead ends: 229 [2020-07-21 01:24:21,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-07-21 01:24:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-21 01:24:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-21 01:24:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-21 01:24:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 319 transitions. [2020-07-21 01:24:21,205 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 319 transitions. Word has length 105 [2020-07-21 01:24:21,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:21,206 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 319 transitions. [2020-07-21 01:24:21,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 01:24:21,206 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 319 transitions. [2020-07-21 01:24:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-21 01:24:21,212 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:21,213 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] [2020-07-21 01:24:21,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:21,429 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:21,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:21,430 INFO L82 PathProgramCache]: Analyzing trace with hash -241498656, now seen corresponding path program 1 times [2020-07-21 01:24:21,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:21,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492736833] [2020-07-21 01:24:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:21,552 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 01:24:21,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:21,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 37 conjunts are in the unsatisfiable core [2020-07-21 01:24:21,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:22,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:22,451 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 6 conjuncts [2020-07-21 01:24:22,453 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 5 conjuncts [2020-07-21 01:24:22,454 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 4 conjuncts [2020-07-21 01:24:22,455 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 3 conjuncts [2020-07-21 01:24:22,456 INFO L501 QuantifierPusher]: Distributing 6 disjuncts over 2 conjuncts [2020-07-21 01:24:22,477 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 6, 5, 1] term [2020-07-21 01:24:22,477 INFO L501 QuantifierPusher]: Distributing 5 disjuncts over 2 conjuncts [2020-07-21 01:24:22,516 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:24:22,587 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 01:24:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:22,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492736833] [2020-07-21 01:24:22,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:22,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 21 [2020-07-21 01:24:22,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946853904] [2020-07-21 01:24:22,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-21 01:24:22,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:22,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-21 01:24:22,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2020-07-21 01:24:22,701 INFO L87 Difference]: Start difference. First operand 229 states and 319 transitions. Second operand 21 states. [2020-07-21 01:24:23,790 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-07-21 01:24:24,928 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-07-21 01:24:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:26,515 INFO L93 Difference]: Finished difference Result 740 states and 1084 transitions. [2020-07-21 01:24:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-21 01:24:26,516 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 114 [2020-07-21 01:24:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:26,523 INFO L225 Difference]: With dead ends: 740 [2020-07-21 01:24:26,524 INFO L226 Difference]: Without dead ends: 425 [2020-07-21 01:24:26,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 205 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 01:24:26,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2020-07-21 01:24:26,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 393. [2020-07-21 01:24:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-07-21 01:24:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 534 transitions. [2020-07-21 01:24:26,601 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 534 transitions. Word has length 114 [2020-07-21 01:24:26,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:26,602 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 534 transitions. [2020-07-21 01:24:26,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-21 01:24:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 534 transitions. [2020-07-21 01:24:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-07-21 01:24:26,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:26,615 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 01:24:26,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:26,816 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:26,817 INFO L82 PathProgramCache]: Analyzing trace with hash 177280616, now seen corresponding path program 1 times [2020-07-21 01:24:26,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:26,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152127432] [2020-07-21 01:24:26,819 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:26,903 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:26,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:26,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:26,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:26,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:26,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152127432] [2020-07-21 01:24:26,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:26,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:26,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151786343] [2020-07-21 01:24:26,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:26,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:26,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:26,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:26,940 INFO L87 Difference]: Start difference. First operand 393 states and 534 transitions. Second operand 3 states. [2020-07-21 01:24:27,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:27,490 INFO L93 Difference]: Finished difference Result 1075 states and 1497 transitions. [2020-07-21 01:24:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:27,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-07-21 01:24:27,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:27,503 INFO L225 Difference]: With dead ends: 1075 [2020-07-21 01:24:27,503 INFO L226 Difference]: Without dead ends: 688 [2020-07-21 01:24:27,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-21 01:24:27,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 684. [2020-07-21 01:24:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-07-21 01:24:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 860 transitions. [2020-07-21 01:24:27,578 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 860 transitions. Word has length 118 [2020-07-21 01:24:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:27,581 INFO L479 AbstractCegarLoop]: Abstraction has 684 states and 860 transitions. [2020-07-21 01:24:27,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 860 transitions. [2020-07-21 01:24:27,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-21 01:24:27,592 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:27,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 01:24:27,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:27,807 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:27,808 INFO L82 PathProgramCache]: Analyzing trace with hash -43076848, now seen corresponding path program 1 times [2020-07-21 01:24:27,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:27,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62525766] [2020-07-21 01:24:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:27,937 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:27,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:27,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:27,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:24:27,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:27,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62525766] [2020-07-21 01:24:27,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:27,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:27,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368675379] [2020-07-21 01:24:27,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:27,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:27,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:27,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:27,972 INFO L87 Difference]: Start difference. First operand 684 states and 860 transitions. Second operand 3 states. [2020-07-21 01:24:28,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:28,553 INFO L93 Difference]: Finished difference Result 1658 states and 2156 transitions. [2020-07-21 01:24:28,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:28,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-07-21 01:24:28,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:28,562 INFO L225 Difference]: With dead ends: 1658 [2020-07-21 01:24:28,562 INFO L226 Difference]: Without dead ends: 980 [2020-07-21 01:24:28,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:28,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2020-07-21 01:24:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2020-07-21 01:24:28,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-07-21 01:24:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1212 transitions. [2020-07-21 01:24:28,611 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1212 transitions. Word has length 140 [2020-07-21 01:24:28,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:28,613 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1212 transitions. [2020-07-21 01:24:28,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1212 transitions. [2020-07-21 01:24:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-21 01:24:28,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:28,617 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:28,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:28,831 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:28,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:28,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1599709903, now seen corresponding path program 1 times [2020-07-21 01:24:28,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:28,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006331001] [2020-07-21 01:24:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:28,923 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 01:24:28,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:28,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:28,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:28,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 01:24:28,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006331001] [2020-07-21 01:24:28,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 01:24:28,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 01:24:28,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871954811] [2020-07-21 01:24:28,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 01:24:28,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:28,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 01:24:28,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:28,970 INFO L87 Difference]: Start difference. First operand 980 states and 1212 transitions. Second operand 3 states. [2020-07-21 01:24:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:29,615 INFO L93 Difference]: Finished difference Result 2248 states and 2875 transitions. [2020-07-21 01:24:29,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 01:24:29,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-07-21 01:24:29,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:29,629 INFO L225 Difference]: With dead ends: 2248 [2020-07-21 01:24:29,629 INFO L226 Difference]: Without dead ends: 1274 [2020-07-21 01:24:29,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 01:24:29,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2020-07-21 01:24:29,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1272. [2020-07-21 01:24:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2020-07-21 01:24:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1613 transitions. [2020-07-21 01:24:29,678 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1613 transitions. Word has length 139 [2020-07-21 01:24:29,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:29,679 INFO L479 AbstractCegarLoop]: Abstraction has 1272 states and 1613 transitions. [2020-07-21 01:24:29,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 01:24:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1613 transitions. [2020-07-21 01:24:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 01:24:29,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:29,685 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:29,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:29,903 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:29,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1972576100, now seen corresponding path program 1 times [2020-07-21 01:24:29,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:29,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192417572] [2020-07-21 01:24:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:29,988 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:29,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:29,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:24:29,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:30,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:30,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192417572] [2020-07-21 01:24:30,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:30,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:30,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650556683] [2020-07-21 01:24:30,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:30,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:30,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:30,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:30,100 INFO L87 Difference]: Start difference. First operand 1272 states and 1613 transitions. Second operand 7 states. [2020-07-21 01:24:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:31,483 INFO L93 Difference]: Finished difference Result 4698 states and 6235 transitions. [2020-07-21 01:24:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 01:24:31,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-21 01:24:31,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:31,504 INFO L225 Difference]: With dead ends: 4698 [2020-07-21 01:24:31,504 INFO L226 Difference]: Without dead ends: 3432 [2020-07-21 01:24:31,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:24:31,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2020-07-21 01:24:31,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3428. [2020-07-21 01:24:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3428 states. [2020-07-21 01:24:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 4376 transitions. [2020-07-21 01:24:31,605 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 4376 transitions. Word has length 146 [2020-07-21 01:24:31,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:31,605 INFO L479 AbstractCegarLoop]: Abstraction has 3428 states and 4376 transitions. [2020-07-21 01:24:31,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 4376 transitions. [2020-07-21 01:24:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 01:24:31,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:31,614 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:31,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:31,828 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:31,829 INFO L82 PathProgramCache]: Analyzing trace with hash -201080464, now seen corresponding path program 1 times [2020-07-21 01:24:31,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:31,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262946132] [2020-07-21 01:24:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:31,909 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:31,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:31,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 01:24:31,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:31,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 01:24:32,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262946132] [2020-07-21 01:24:32,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:32,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:32,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208464511] [2020-07-21 01:24:32,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:32,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:32,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:32,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:32,005 INFO L87 Difference]: Start difference. First operand 3428 states and 4376 transitions. Second operand 7 states. [2020-07-21 01:24:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:32,948 INFO L93 Difference]: Finished difference Result 9000 states and 12205 transitions. [2020-07-21 01:24:32,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 01:24:32,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-07-21 01:24:32,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:32,979 INFO L225 Difference]: With dead ends: 9000 [2020-07-21 01:24:32,979 INFO L226 Difference]: Without dead ends: 5581 [2020-07-21 01:24:32,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-21 01:24:32,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5581 states. [2020-07-21 01:24:33,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5581 to 5516. [2020-07-21 01:24:33,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5516 states. [2020-07-21 01:24:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7016 transitions. [2020-07-21 01:24:33,143 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7016 transitions. Word has length 156 [2020-07-21 01:24:33,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:33,143 INFO L479 AbstractCegarLoop]: Abstraction has 5516 states and 7016 transitions. [2020-07-21 01:24:33,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:33,143 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7016 transitions. [2020-07-21 01:24:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-21 01:24:33,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:33,155 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 01:24:33,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:33,369 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:33,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1955172028, now seen corresponding path program 1 times [2020-07-21 01:24:33,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:33,370 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377124817] [2020-07-21 01:24:33,370 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:33,470 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:33,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:33,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:33,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:24:33,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 01:24:33,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377124817] [2020-07-21 01:24:33,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:33,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:33,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194705568] [2020-07-21 01:24:33,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:33,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:33,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:33,661 INFO L87 Difference]: Start difference. First operand 5516 states and 7016 transitions. Second operand 7 states. [2020-07-21 01:24:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:34,795 INFO L93 Difference]: Finished difference Result 12076 states and 15320 transitions. [2020-07-21 01:24:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 01:24:34,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-07-21 01:24:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:34,820 INFO L225 Difference]: With dead ends: 12076 [2020-07-21 01:24:34,821 INFO L226 Difference]: Without dead ends: 5371 [2020-07-21 01:24:34,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 331 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 01:24:34,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2020-07-21 01:24:34,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 4886. [2020-07-21 01:24:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4886 states. [2020-07-21 01:24:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 5888 transitions. [2020-07-21 01:24:34,953 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 5888 transitions. Word has length 168 [2020-07-21 01:24:34,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:34,953 INFO L479 AbstractCegarLoop]: Abstraction has 4886 states and 5888 transitions. [2020-07-21 01:24:34,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 5888 transitions. [2020-07-21 01:24:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-21 01:24:34,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:34,967 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 01:24:35,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:35,183 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:35,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:35,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1839406241, now seen corresponding path program 1 times [2020-07-21 01:24:35,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:35,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417647994] [2020-07-21 01:24:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:35,283 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 01:24:35,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:35,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:35,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 168 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 01:24:35,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 142 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 01:24:35,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417647994] [2020-07-21 01:24:35,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:35,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:35,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689619889] [2020-07-21 01:24:35,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:35,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:35,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:35,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:35,491 INFO L87 Difference]: Start difference. First operand 4886 states and 5888 transitions. Second operand 7 states. [2020-07-21 01:24:36,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:36,688 INFO L93 Difference]: Finished difference Result 8158 states and 9796 transitions. [2020-07-21 01:24:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 01:24:36,689 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-07-21 01:24:36,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:36,703 INFO L225 Difference]: With dead ends: 8158 [2020-07-21 01:24:36,703 INFO L226 Difference]: Without dead ends: 3405 [2020-07-21 01:24:36,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 450 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-07-21 01:24:36,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2020-07-21 01:24:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3394. [2020-07-21 01:24:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2020-07-21 01:24:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3746 transitions. [2020-07-21 01:24:36,777 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3746 transitions. Word has length 226 [2020-07-21 01:24:36,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:36,777 INFO L479 AbstractCegarLoop]: Abstraction has 3394 states and 3746 transitions. [2020-07-21 01:24:36,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3746 transitions. [2020-07-21 01:24:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-07-21 01:24:36,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 01:24:36,788 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2020-07-21 01:24:37,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:37,001 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 01:24:37,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 01:24:37,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1916508377, now seen corresponding path program 1 times [2020-07-21 01:24:37,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 01:24:37,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397124582] [2020-07-21 01:24:37,002 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:37,095 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 01:24:37,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 01:24:37,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 01:24:37,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 01:24:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2020-07-21 01:24:37,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 01:24:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 170 proven. 26 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-07-21 01:24:37,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397124582] [2020-07-21 01:24:37,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 01:24:37,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 01:24:37,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751856325] [2020-07-21 01:24:37,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 01:24:37,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 01:24:37,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 01:24:37,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 01:24:37,322 INFO L87 Difference]: Start difference. First operand 3394 states and 3746 transitions. Second operand 7 states. [2020-07-21 01:24:37,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 01:24:37,797 INFO L93 Difference]: Finished difference Result 5562 states and 6147 transitions. [2020-07-21 01:24:37,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 01:24:37,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 250 [2020-07-21 01:24:37,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 01:24:37,798 INFO L225 Difference]: With dead ends: 5562 [2020-07-21 01:24:37,798 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 01:24:37,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 494 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 01:24:37,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 01:24:37,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 01:24:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 01:24:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 01:24:37,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2020-07-21 01:24:37,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 01:24:37,809 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 01:24:37,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 01:24:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 01:24:37,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 01:24:38,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 01:24:38,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 01:24:39,436 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 107 [2020-07-21 01:24:39,728 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 48 [2020-07-21 01:24:40,009 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-21 01:24:40,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:24:40,014 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))) (= ~a25~0 |old(~a25~0)|)) [2020-07-21 01:24:40,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:24:40,014 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,014 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,014 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,015 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,015 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,015 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-21 01:24:40,015 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-21 01:24:40,015 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-21 01:24:40,016 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-21 01:24:40,017 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-21 01:24:40,017 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:24:40,017 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-21 01:24:40,017 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-21 01:24:40,017 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-21 01:24:40,018 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-21 01:24:40,019 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,020 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 01:24:40,021 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-21 01:24:40,022 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,023 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-21 01:24:40,024 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:24:40,025 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-21 01:24:40,026 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-21 01:24:40,027 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-21 01:24:40,028 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-21 01:24:40,029 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 01:24:40,030 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,031 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,032 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse19 (not (= 1 ~a21~0)))) (let ((.cse3 (or (<= ~a11~0 0) (< 0 |old(~a11~0)|) .cse19)) (.cse12 (not (<= 11 |old(~a28~0)|))) (.cse16 (<= 11 ~a28~0)) (.cse21 (not (<= 10 |old(~a28~0)|))) (.cse22 (< ~a28~0 11)) (.cse23 (<= 10 ~a28~0)) (.cse24 (not (< |old(~a28~0)| 11))) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse5 (not (= 1 |old(~a25~0)|))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse1 (<= ~a17~0 |old(~a17~0)|)) (.cse11 (<= 9 ~a28~0)) (.cse4 (= 1 ~a25~0)) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse17 (<= ~a11~0 |old(~a11~0)|)) (.cse25 (not (= 8 |old(~a17~0)|))) (.cse26 (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|)))) (.cse20 (not (<= |old(~a11~0)| 0))) (.cse8 (not (<= |old(~a28~0)| 9))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (<= |old(~a17~0)| 8))) (.cse13 (<= ~a28~0 |old(~a28~0)|)) (.cse14 (<= ~a17~0 8)) (.cse15 (<= 8 ~a17~0)) (.cse2 (= ~a19~0 |old(~a19~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse9 .cse5 .cse12 (and .cse13 .cse14 .cse15 .cse2 .cse16 .cse4) .cse10) (or .cse7 (and .cse17 .cse1 .cse2 .cse11 .cse18) .cse6 .cse19 .cse20) (or .cse0 .cse9 .cse21 (and .cse1 .cse15 .cse22 .cse23 .cse2 .cse3 .cse18) .cse24) (or .cse17 .cse5 .cse21 .cse10 .cse19 .cse20 .cse24) (or .cse0 .cse25 (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (= 7 ~a28~0) .cse26 .cse19 .cse20) (or .cse0 .cse12 .cse6 .cse16) (or (and .cse1 .cse23 .cse2 .cse18) .cse6 .cse21) (or .cse17 .cse8 .cse9 .cse10 .cse19 .cse20) (or .cse17 .cse0 .cse5 .cse21 .cse10 .cse19 .cse20) (or .cse9 .cse5 .cse21 (and .cse14 .cse15 .cse22 .cse23 .cse2 .cse4) .cse10 .cse24) (or .cse7 .cse5 .cse6 (and .cse1 .cse2 .cse11 .cse4)) (or .cse0 .cse17 (not (= 10 |old(~a28~0)|)) .cse25 .cse26 .cse19 .cse20) (or .cse8 .cse9 .cse10 (and .cse13 .cse14 .cse15 .cse2 .cse18))))) [2020-07-21 01:24:40,032 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,032 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,032 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,032 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-21 01:24:40,033 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,034 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-21 01:24:40,035 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,036 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-21 01:24:40,037 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-21 01:24:40,038 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 01:24:40,039 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a25~0 0) (= 7 ~a28~0) (= 1 ~a21~0) (= 8 ~a17~0)) [2020-07-21 01:24:40,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 01:24:40,040 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 01:24:40,040 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)|)) (and (<= ~a11~0 |old(~a11~0)|) (= 7 ~a28~0) (= ~a19~0 |old(~a19~0)|) (= 8 ~a17~0) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a25~0)| 0)) (not (= 7 |old(~a28~0)|)) (not (= 1 ~a21~0)) (not (<= |old(~a11~0)| 0))) [2020-07-21 01:24:40,040 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:24:40,040 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:24:40,040 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-21 01:24:40,041 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= 1 ~a19~0)) (.cse4 (< ~a28~0 11)) (.cse1 (<= 9 ~a28~0)) (.cse6 (= 1 ~a25~0)) (.cse5 (<= ~a17~0 8)) (.cse0 (<= ~a17~0 7)) (.cse3 (<= 10 ~a28~0))) (or (not (= 1 |old(~a19~0)|)) (and (<= ~a11~0 0) .cse0 .cse1) (not (= 8 |old(~a17~0)|)) (and .cse2 (<= ~a17~0 |old(~a17~0)|) .cse3 .cse4) (and .cse2 .cse5 .cse6) (and .cse5 .cse4 .cse1 .cse6) (not (= 7 |old(~a28~0)|)) (not (<= |old(~a25~0)| 0)) (and .cse5 (<= 8 ~a17~0) (<= ~a28~0 9)) (not (= 1 ~a21~0)) (and .cse0 .cse3) (not (<= |old(~a11~0)| 0)))) [2020-07-21 01:24:40,041 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 01:24:40,041 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 01:24:40,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:24:40 BoogieIcfgContainer [2020-07-21 01:24:40,060 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 01:24:40,062 INFO L168 Benchmark]: Toolchain (without parser) took 23330.79 ms. Allocated memory was 139.5 MB in the beginning and 545.3 MB in the end (delta: 405.8 MB). Free memory was 102.7 MB in the beginning and 293.3 MB in the end (delta: -190.7 MB). Peak memory consumption was 391.1 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,063 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.15 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 102.3 MB in the beginning and 170.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,064 INFO L168 Benchmark]: Boogie Preprocessor took 136.65 ms. Allocated memory is still 205.5 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,065 INFO L168 Benchmark]: RCFGBuilder took 1329.37 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 165.7 MB in the beginning and 178.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,066 INFO L168 Benchmark]: TraceAbstraction took 21143.21 ms. Allocated memory was 237.5 MB in the beginning and 545.3 MB in the end (delta: 307.8 MB). Free memory was 177.0 MB in the beginning and 293.3 MB in the end (delta: -116.3 MB). Peak memory consumption was 367.4 MB. Max. memory is 7.1 GB. [2020-07-21 01:24:40,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.15 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 102.3 MB in the beginning and 170.7 MB in the end (delta: -68.4 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.65 ms. Allocated memory is still 205.5 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1329.37 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 165.7 MB in the beginning and 178.4 MB in the end (delta: -12.7 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21143.21 ms. Allocated memory was 237.5 MB in the beginning and 545.3 MB in the end (delta: 307.8 MB). Free memory was 177.0 MB in the beginning and 293.3 MB in the end (delta: -116.3 MB). Peak memory consumption was 367.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == \old(a19)) || ((a11 <= 0 && a17 <= 7) && 9 <= a28)) || !(8 == \old(a17))) || (((1 == a19 && a17 <= \old(a17)) && 10 <= a28) && a28 < 11)) || ((1 == a19 && a17 <= 8) && 1 == a25)) || (((a17 <= 8 && a28 < 11) && 9 <= a28) && 1 == a25)) || !(7 == \old(a28))) || !(\old(a25) <= 0)) || ((a17 <= 8 && 8 <= a17) && a28 <= 9)) || !(1 == a21)) || (a17 <= 7 && 10 <= a28)) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.0s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1079 SDtfs, 4787 SDslu, 831 SDs, 0 SdLazy, 9432 SolverSat, 1262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2662 GetRequests, 2562 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5516occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 603 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 173 PreInvPairs, 235 NumberOfFragments, 743 HoareAnnotationTreeSize, 173 FomulaSimplifications, 2124 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2220 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1562 NumberOfCodeBlocks, 978 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2606 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505015 SizeOfPredicates, 41 NumberOfNonLiveVariables, 3292 ConjunctsInSsa, 127 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 1595/1671 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...