/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:20:38,449 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:20:38,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:20:38,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:20:38,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:20:38,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:20:38,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:20:38,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:20:38,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:20:38,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:20:38,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:20:38,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:20:38,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:20:38,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:20:38,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:20:38,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:20:38,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:20:38,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:20:38,499 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 [2020-07-20 03:20:38,513 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:20:38,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:20:38,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:20:38,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:20:38,515 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:20:38,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:20:38,515 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:20:38,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:20:38,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:20:38,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:20:38,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:20:38,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:20:38,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:20:38,517 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:20:38,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:20:38,517 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:20:38,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:20:38,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:20:38,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:20:38,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:20:38,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:20:38,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:20:38,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:20:38,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:20:38,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:20:38,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:20:38,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:20:38,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:20:38,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:20:38,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:20:38,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:20:38,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:20:38,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:20:38,815 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:20:38,815 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:20:38,816 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-20 03:20:38,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f0b9d451/921fc4e8ac1a46f8acb4f438129453c3/FLAG0d1d159e9 [2020-07-20 03:20:39,283 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:20:39,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_10-2.c [2020-07-20 03:20:39,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f0b9d451/921fc4e8ac1a46f8acb4f438129453c3/FLAG0d1d159e9 [2020-07-20 03:20:39,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f0b9d451/921fc4e8ac1a46f8acb4f438129453c3 [2020-07-20 03:20:39,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:20:39,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:20:39,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:20:39,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:20:39,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:20:39,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c00943f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39, skipping insertion in model container [2020-07-20 03:20:39,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:20:39,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:20:39,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:20:39,935 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:20:39,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:20:39,961 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:20:39,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39 WrapperNode [2020-07-20 03:20:39,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:20:39,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:20:39,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:20:39,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:20:39,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (1/1) ... [2020-07-20 03:20:39,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:20:39,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:20:39,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:20:39,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:20:39,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (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 [2020-07-20 03:20:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-07-20 03:20:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:20:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:20:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:20:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-07-20 03:20:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:20:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:20:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:20:40,289 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:20:40,289 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 03:20:40,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:20:40 BoogieIcfgContainer [2020-07-20 03:20:40,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:20:40,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:20:40,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:20:40,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:20:40,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:20:39" (1/3) ... [2020-07-20 03:20:40,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccd5fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:20:40, skipping insertion in model container [2020-07-20 03:20:40,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:39" (2/3) ... [2020-07-20 03:20:40,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ccd5fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:20:40, skipping insertion in model container [2020-07-20 03:20:40,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:20:40" (3/3) ... [2020-07-20 03:20:40,300 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_10-2.c [2020-07-20 03:20:40,308 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:20:40,315 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:20:40,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:20:40,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:20:40,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:20:40,351 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:20:40,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:20:40,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:20:40,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:20:40,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:20:40,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:20:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-20 03:20:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-20 03:20:40,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:40,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:40,375 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:40,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:40,380 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-07-20 03:20:40,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:40,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577346492] [2020-07-20 03:20:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:20:40,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577346492] [2020-07-20 03:20:40,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:20:40,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 03:20:40,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673630162] [2020-07-20 03:20:40,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:20:40,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:40,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:20:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:20:40,640 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-07-20 03:20:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:40,737 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-07-20 03:20:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:20:40,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-07-20 03:20:40,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:40,749 INFO L225 Difference]: With dead ends: 35 [2020-07-20 03:20:40,750 INFO L226 Difference]: Without dead ends: 21 [2020-07-20 03:20:40,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:20:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-07-20 03:20:40,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-07-20 03:20:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-20 03:20:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-20 03:20:40,799 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-07-20 03:20:40,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:40,799 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-20 03:20:40,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:20:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-20 03:20:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-20 03:20:40,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:40,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:40,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:20:40,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:40,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:40,803 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-07-20 03:20:40,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:40,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649474321] [2020-07-20 03:20:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:20:40,867 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649474321] [2020-07-20 03:20:40,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:20:40,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 03:20:40,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274374818] [2020-07-20 03:20:40,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:20:40,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:40,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:20:40,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:20:40,871 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-07-20 03:20:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:40,944 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-07-20 03:20:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 03:20:40,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-07-20 03:20:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:40,948 INFO L225 Difference]: With dead ends: 27 [2020-07-20 03:20:40,948 INFO L226 Difference]: Without dead ends: 23 [2020-07-20 03:20:40,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 03:20:40,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-20 03:20:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-07-20 03:20:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-07-20 03:20:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-07-20 03:20:40,964 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-07-20 03:20:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:40,964 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-07-20 03:20:40,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:20:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-07-20 03:20:40,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-20 03:20:40,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:40,968 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:40,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 03:20:40,969 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:40,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:40,970 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-07-20 03:20:40,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:40,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537499540] [2020-07-20 03:20:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 03:20:41,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537499540] [2020-07-20 03:20:41,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083912632] [2020-07-20 03:20:41,144 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c8e74d8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:41,189 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c8e74d8 issued 3 check-sat command(s) [2020-07-20 03:20:41,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:41,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 03:20:41,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 03:20:41,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:41,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2020-07-20 03:20:41,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112625796] [2020-07-20 03:20:41,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 03:20:41,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:41,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 03:20:41,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:20:41,264 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 9 states. [2020-07-20 03:20:41,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:41,415 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-07-20 03:20:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 03:20:41,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-07-20 03:20:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:41,417 INFO L225 Difference]: With dead ends: 38 [2020-07-20 03:20:41,417 INFO L226 Difference]: Without dead ends: 23 [2020-07-20 03:20:41,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-07-20 03:20:41,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-07-20 03:20:41,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-07-20 03:20:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-07-20 03:20:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-07-20 03:20:41,426 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-07-20 03:20:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:41,427 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-07-20 03:20:41,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 03:20:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-07-20 03:20:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-20 03:20:41,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:41,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:41,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 03:20:41,644 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:41,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:41,645 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-07-20 03:20:41,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:41,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630231753] [2020-07-20 03:20:41,646 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:20:41,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630231753] [2020-07-20 03:20:41,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494803569] [2020-07-20 03:20:41,776 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7da0634 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:41,820 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7da0634 issued 3 check-sat command(s) [2020-07-20 03:20:41,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:41,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 03:20:41,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:20:41,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:41,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-07-20 03:20:41,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885505536] [2020-07-20 03:20:41,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 03:20:41,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:41,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 03:20:41,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:20:41,854 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-07-20 03:20:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:41,944 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-07-20 03:20:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:20:41,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-07-20 03:20:41,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:41,947 INFO L225 Difference]: With dead ends: 41 [2020-07-20 03:20:41,947 INFO L226 Difference]: Without dead ends: 37 [2020-07-20 03:20:41,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:20:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-07-20 03:20:41,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-07-20 03:20:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-07-20 03:20:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-07-20 03:20:41,959 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-07-20 03:20:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:41,960 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-07-20 03:20:41,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 03:20:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-07-20 03:20:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-20 03:20:41,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:41,964 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:42,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:42,179 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:42,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:42,181 INFO L82 PathProgramCache]: Analyzing trace with hash 146085807, now seen corresponding path program 2 times [2020-07-20 03:20:42,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:42,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047755003] [2020-07-20 03:20:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 03:20:42,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047755003] [2020-07-20 03:20:42,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019674324] [2020-07-20 03:20:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@59ebe2d7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:42,355 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@59ebe2d7 issued 3 check-sat command(s) [2020-07-20 03:20:42,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:42,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 03:20:42,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-20 03:20:42,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:42,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2020-07-20 03:20:42,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465265071] [2020-07-20 03:20:42,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 03:20:42,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:42,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 03:20:42,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:20:42,415 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 12 states. [2020-07-20 03:20:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:42,645 INFO L93 Difference]: Finished difference Result 72 states and 109 transitions. [2020-07-20 03:20:42,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 03:20:42,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-07-20 03:20:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:42,647 INFO L225 Difference]: With dead ends: 72 [2020-07-20 03:20:42,647 INFO L226 Difference]: Without dead ends: 41 [2020-07-20 03:20:42,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-07-20 03:20:42,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-07-20 03:20:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-07-20 03:20:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-20 03:20:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-07-20 03:20:42,658 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 40 [2020-07-20 03:20:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:42,658 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-07-20 03:20:42,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 03:20:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-07-20 03:20:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-20 03:20:42,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:42,661 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:42,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:42,875 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2001184551, now seen corresponding path program 3 times [2020-07-20 03:20:42,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:42,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898479862] [2020-07-20 03:20:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 03:20:43,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898479862] [2020-07-20 03:20:43,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963188795] [2020-07-20 03:20:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c1b41b2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:43,140 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6c1b41b2 issued 3 check-sat command(s) [2020-07-20 03:20:43,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:43,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 03:20:43,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-20 03:20:43,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:43,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2020-07-20 03:20:43,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204444634] [2020-07-20 03:20:43,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 03:20:43,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:43,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 03:20:43,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 03:20:43,205 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 9 states. [2020-07-20 03:20:43,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:43,361 INFO L93 Difference]: Finished difference Result 83 states and 114 transitions. [2020-07-20 03:20:43,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 03:20:43,361 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-07-20 03:20:43,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:43,365 INFO L225 Difference]: With dead ends: 83 [2020-07-20 03:20:43,365 INFO L226 Difference]: Without dead ends: 79 [2020-07-20 03:20:43,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-07-20 03:20:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-07-20 03:20:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2020-07-20 03:20:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-20 03:20:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2020-07-20 03:20:43,381 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 68 [2020-07-20 03:20:43,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:43,382 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2020-07-20 03:20:43,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 03:20:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-07-20 03:20:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 03:20:43,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:43,386 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 17, 10, 10, 10, 10, 10, 10, 10, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:43,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:43,594 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:43,596 INFO L82 PathProgramCache]: Analyzing trace with hash -2068257585, now seen corresponding path program 4 times [2020-07-20 03:20:43,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:43,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201430121] [2020-07-20 03:20:43,597 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-07-20 03:20:43,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201430121] [2020-07-20 03:20:43,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067524826] [2020-07-20 03:20:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e8afd7c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:44,068 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e8afd7c issued 3 check-sat command(s) [2020-07-20 03:20:44,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:44,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-20 03:20:44,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 57 proven. 377 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2020-07-20 03:20:44,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:44,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-07-20 03:20:44,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586107910] [2020-07-20 03:20:44,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:20:44,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:44,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:20:44,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:20:44,124 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand 10 states. [2020-07-20 03:20:44,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:44,322 INFO L93 Difference]: Finished difference Result 150 states and 231 transitions. [2020-07-20 03:20:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 03:20:44,324 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2020-07-20 03:20:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:44,332 INFO L225 Difference]: With dead ends: 150 [2020-07-20 03:20:44,332 INFO L226 Difference]: Without dead ends: 146 [2020-07-20 03:20:44,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-07-20 03:20:44,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-20 03:20:44,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 137. [2020-07-20 03:20:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-20 03:20:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 214 transitions. [2020-07-20 03:20:44,392 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 214 transitions. Word has length 150 [2020-07-20 03:20:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:44,395 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 214 transitions. [2020-07-20 03:20:44,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:20:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 214 transitions. [2020-07-20 03:20:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-07-20 03:20:44,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:44,406 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:44,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 03:20:44,607 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:44,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 5 times [2020-07-20 03:20:44,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:44,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890423609] [2020-07-20 03:20:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 432 proven. 761 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2020-07-20 03:20:45,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890423609] [2020-07-20 03:20:45,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132128457] [2020-07-20 03:20:45,174 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@563566be No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:45,251 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@563566be issued 3 check-sat command(s) [2020-07-20 03:20:45,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:45,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 03:20:45,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 108 proven. 716 refuted. 0 times theorem prover too weak. 1756 trivial. 0 not checked. [2020-07-20 03:20:45,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:45,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 17 [2020-07-20 03:20:45,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901294216] [2020-07-20 03:20:45,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 03:20:45,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 03:20:45,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2020-07-20 03:20:45,340 INFO L87 Difference]: Start difference. First operand 137 states and 214 transitions. Second operand 17 states. [2020-07-20 03:20:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:45,983 INFO L93 Difference]: Finished difference Result 229 states and 428 transitions. [2020-07-20 03:20:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-20 03:20:45,984 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 218 [2020-07-20 03:20:45,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:45,986 INFO L225 Difference]: With dead ends: 229 [2020-07-20 03:20:45,987 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 03:20:45,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 03:20:45,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 03:20:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 87. [2020-07-20 03:20:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-20 03:20:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-07-20 03:20:46,004 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 218 [2020-07-20 03:20:46,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:46,004 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-07-20 03:20:46,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 03:20:46,004 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-07-20 03:20:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-07-20 03:20:46,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:46,010 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:46,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:46,226 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:46,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:46,226 INFO L82 PathProgramCache]: Analyzing trace with hash -530192014, now seen corresponding path program 6 times [2020-07-20 03:20:46,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:46,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441192996] [2020-07-20 03:20:46,227 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1358 proven. 1342 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2020-07-20 03:20:47,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441192996] [2020-07-20 03:20:47,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335349742] [2020-07-20 03:20:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71909fe1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:47,274 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71909fe1 issued 3 check-sat command(s) [2020-07-20 03:20:47,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:47,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-20 03:20:47,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 204 proven. 1348 refuted. 0 times theorem prover too weak. 4487 trivial. 0 not checked. [2020-07-20 03:20:47,425 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:47,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11] total 19 [2020-07-20 03:20:47,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577649274] [2020-07-20 03:20:47,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-20 03:20:47,427 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:47,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-20 03:20:47,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2020-07-20 03:20:47,427 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 19 states. [2020-07-20 03:20:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:48,211 INFO L93 Difference]: Finished difference Result 195 states and 335 transitions. [2020-07-20 03:20:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-20 03:20:48,211 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 327 [2020-07-20 03:20:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:48,214 INFO L225 Difference]: With dead ends: 195 [2020-07-20 03:20:48,214 INFO L226 Difference]: Without dead ends: 122 [2020-07-20 03:20:48,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=384, Invalid=1422, Unknown=0, NotChecked=0, Total=1806 [2020-07-20 03:20:48,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-07-20 03:20:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 108. [2020-07-20 03:20:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-20 03:20:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2020-07-20 03:20:48,249 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 327 [2020-07-20 03:20:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:48,250 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2020-07-20 03:20:48,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-20 03:20:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2020-07-20 03:20:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-07-20 03:20:48,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:48,265 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:48,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:48,479 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:48,480 INFO L82 PathProgramCache]: Analyzing trace with hash -229001048, now seen corresponding path program 7 times [2020-07-20 03:20:48,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:48,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16516066] [2020-07-20 03:20:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-07-20 03:20:49,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16516066] [2020-07-20 03:20:49,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037287826] [2020-07-20 03:20:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1082f997 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:49,828 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1082f997 issued 3 check-sat command(s) [2020-07-20 03:20:49,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:49,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 18 conjunts are in the unsatisfiable core [2020-07-20 03:20:49,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12387 backedges. 361 proven. 2270 refuted. 0 times theorem prover too weak. 9756 trivial. 0 not checked. [2020-07-20 03:20:50,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:50,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-07-20 03:20:50,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968803523] [2020-07-20 03:20:50,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 03:20:50,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:50,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 03:20:50,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-07-20 03:20:50,017 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand 13 states. [2020-07-20 03:20:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:50,322 INFO L93 Difference]: Finished difference Result 373 states and 583 transitions. [2020-07-20 03:20:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 03:20:50,322 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-07-20 03:20:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:50,328 INFO L225 Difference]: With dead ends: 373 [2020-07-20 03:20:50,329 INFO L226 Difference]: Without dead ends: 369 [2020-07-20 03:20:50,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-07-20 03:20:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-07-20 03:20:50,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 351. [2020-07-20 03:20:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-07-20 03:20:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 544 transitions. [2020-07-20 03:20:50,365 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 544 transitions. Word has length 463 [2020-07-20 03:20:50,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:50,366 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 544 transitions. [2020-07-20 03:20:50,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 03:20:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 544 transitions. [2020-07-20 03:20:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-07-20 03:20:50,403 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:50,404 INFO L422 BasicCegarLoop]: trace histogram [141, 141, 114, 70, 70, 70, 70, 70, 70, 70, 44, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:50,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 03:20:50,619 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:50,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:50,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1070302453, now seen corresponding path program 8 times [2020-07-20 03:20:50,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:50,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371271300] [2020-07-20 03:20:50,622 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 55581 backedges. 6994 proven. 7521 refuted. 0 times theorem prover too weak. 41066 trivial. 0 not checked. [2020-07-20 03:20:55,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371271300] [2020-07-20 03:20:55,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086507475] [2020-07-20 03:20:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fb800b7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:55,579 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4fb800b7 issued 3 check-sat command(s) [2020-07-20 03:20:55,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:20:55,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1749 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-20 03:20:55,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:20:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 55581 backedges. 739 proven. 5910 refuted. 0 times theorem prover too weak. 48932 trivial. 0 not checked. [2020-07-20 03:20:56,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:20:56,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13] total 23 [2020-07-20 03:20:56,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112411124] [2020-07-20 03:20:56,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-20 03:20:56,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:20:56,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-20 03:20:56,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2020-07-20 03:20:56,028 INFO L87 Difference]: Start difference. First operand 351 states and 544 transitions. Second operand 23 states. [2020-07-20 03:20:57,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:20:57,169 INFO L93 Difference]: Finished difference Result 509 states and 918 transitions. [2020-07-20 03:20:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-07-20 03:20:57,170 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 967 [2020-07-20 03:20:57,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:20:57,178 INFO L225 Difference]: With dead ends: 509 [2020-07-20 03:20:57,178 INFO L226 Difference]: Without dead ends: 176 [2020-07-20 03:20:57,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1313 GetRequests, 1256 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=681, Invalid=2741, Unknown=0, NotChecked=0, Total=3422 [2020-07-20 03:20:57,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-20 03:20:57,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 142. [2020-07-20 03:20:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-20 03:20:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 211 transitions. [2020-07-20 03:20:57,201 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 211 transitions. Word has length 967 [2020-07-20 03:20:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:20:57,202 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 211 transitions. [2020-07-20 03:20:57,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-20 03:20:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 211 transitions. [2020-07-20 03:20:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-07-20 03:20:57,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:20:57,223 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 68, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:20:57,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:20:57,428 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:20:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:20:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1905168074, now seen corresponding path program 9 times [2020-07-20 03:20:57,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:20:57,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583521951] [2020-07-20 03:20:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:20:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:20:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6680 proven. 13635 refuted. 0 times theorem prover too weak. 114289 trivial. 0 not checked. [2020-07-20 03:21:05,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583521951] [2020-07-20 03:21:05,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44349761] [2020-07-20 03:21:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1da7db30 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:21:05,510 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1da7db30 issued 4 check-sat command(s) [2020-07-20 03:21:05,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:21:05,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 3327 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 03:21:05,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:21:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6930 proven. 4808 refuted. 0 times theorem prover too weak. 122866 trivial. 0 not checked. [2020-07-20 03:21:06,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:21:06,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14] total 26 [2020-07-20 03:21:06,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715225811] [2020-07-20 03:21:06,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-20 03:21:06,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:21:06,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-20 03:21:06,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=516, Unknown=0, NotChecked=0, Total=650 [2020-07-20 03:21:06,451 INFO L87 Difference]: Start difference. First operand 142 states and 211 transitions. Second operand 26 states. [2020-07-20 03:21:07,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:21:07,918 INFO L93 Difference]: Finished difference Result 346 states and 703 transitions. [2020-07-20 03:21:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-20 03:21:07,918 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1498 [2020-07-20 03:21:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:21:07,923 INFO L225 Difference]: With dead ends: 346 [2020-07-20 03:21:07,923 INFO L226 Difference]: Without dead ends: 190 [2020-07-20 03:21:07,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2001 GetRequests, 1936 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=830, Invalid=3592, Unknown=0, NotChecked=0, Total=4422 [2020-07-20 03:21:07,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-20 03:21:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 164. [2020-07-20 03:21:07,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-20 03:21:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 225 transitions. [2020-07-20 03:21:07,949 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 225 transitions. Word has length 1498 [2020-07-20 03:21:07,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:21:07,950 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 225 transitions. [2020-07-20 03:21:07,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-20 03:21:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 225 transitions. [2020-07-20 03:21:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-07-20 03:21:07,963 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:21:07,964 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:21:08,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:21:08,178 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:21:08,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:21:08,179 INFO L82 PathProgramCache]: Analyzing trace with hash 452920407, now seen corresponding path program 10 times [2020-07-20 03:21:08,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:21:08,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523923043] [2020-07-20 03:21:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:21:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2020-07-20 03:21:16,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523923043] [2020-07-20 03:21:16,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203977699] [2020-07-20 03:21:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@56dc377c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:21:17,158 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@56dc377c issued 4 check-sat command(s) [2020-07-20 03:21:17,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:21:17,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2692 conjuncts, 711 conjunts are in the unsatisfiable core [2020-07-20 03:21:17,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:21:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 0 proven. 28921 refuted. 0 times theorem prover too weak. 58848 trivial. 0 not checked. [2020-07-20 03:21:21,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:21:21,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 40 [2020-07-20 03:21:21,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797516079] [2020-07-20 03:21:21,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-20 03:21:22,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:21:22,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-20 03:21:22,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2020-07-20 03:21:22,001 INFO L87 Difference]: Start difference. First operand 164 states and 225 transitions. Second operand 40 states. [2020-07-20 03:21:22,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:21:22,652 INFO L93 Difference]: Finished difference Result 177 states and 250 transitions. [2020-07-20 03:21:22,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-20 03:21:22,653 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 1212 [2020-07-20 03:21:22,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:21:22,658 INFO L225 Difference]: With dead ends: 177 [2020-07-20 03:21:22,658 INFO L226 Difference]: Without dead ends: 173 [2020-07-20 03:21:22,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1924 GetRequests, 1797 SyntacticMatches, 89 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=95, Invalid=1465, Unknown=0, NotChecked=0, Total=1560 [2020-07-20 03:21:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-20 03:21:22,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 172. [2020-07-20 03:21:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-20 03:21:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2020-07-20 03:21:22,672 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 1212 [2020-07-20 03:21:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:21:22,674 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2020-07-20 03:21:22,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-20 03:21:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2020-07-20 03:21:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1499 [2020-07-20 03:21:22,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:21:22,693 INFO L422 BasicCegarLoop]: trace histogram [219, 219, 177, 109, 109, 109, 109, 109, 109, 109, 68, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:21:22,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-20 03:21:22,893 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:21:22,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:21:22,894 INFO L82 PathProgramCache]: Analyzing trace with hash -918806966, now seen corresponding path program 11 times [2020-07-20 03:21:22,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:21:22,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3247289] [2020-07-20 03:21:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a94c853 [2020-07-20 03:21:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:21:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 6041 proven. 12767 refuted. 0 times theorem prover too weak. 115796 trivial. 0 not checked. [2020-07-20 03:21:28,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3247289] [2020-07-20 03:21:28,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646628077] [2020-07-20 03:21:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b0d038 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:21:29,264 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b0d038 issued 3 check-sat command(s) [2020-07-20 03:21:29,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:21:29,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 2709 conjuncts, 24 conjunts are in the unsatisfiable core [2020-07-20 03:21:29,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:21:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 134604 backedges. 1991 proven. 10904 refuted. 0 times theorem prover too weak. 121709 trivial. 0 not checked. [2020-07-20 03:21:30,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:21:30,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15] total 25 [2020-07-20 03:21:30,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066417561] [2020-07-20 03:21:30,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-20 03:21:30,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:21:30,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-20 03:21:30,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2020-07-20 03:21:30,174 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 25 states. [2020-07-20 03:21:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:21:31,058 INFO L93 Difference]: Finished difference Result 336 states and 477 transitions. [2020-07-20 03:21:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-20 03:21:31,059 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1498 [2020-07-20 03:21:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:21:31,060 INFO L225 Difference]: With dead ends: 336 [2020-07-20 03:21:31,060 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:21:31,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1982 GetRequests, 1936 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=468, Invalid=1788, Unknown=0, NotChecked=0, Total=2256 [2020-07-20 03:21:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:21:31,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:21:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:21:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:21:31,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1498 [2020-07-20 03:21:31,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:21:31,065 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:21:31,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-20 03:21:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:21:31,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:21:31,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-20 03:21:31,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:21:33,047 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 177 DAG size of output: 71 [2020-07-20 03:21:33,394 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 6 [2020-07-20 03:21:33,398 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-20 03:21:33,398 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:21:33,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:21:33,399 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 03:21:33,399 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:21:33,399 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:21:33,399 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2020-07-20 03:21:33,399 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 23 30) the Hoare annotation is: true [2020-07-20 03:21:33,399 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (and (<= main_~x~0 10) (<= 10 main_~x~0)) [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 23 30) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 23 30) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2020-07-20 03:21:33,400 INFO L268 CegarLoopResult]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2020-07-20 03:21:33,401 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= fibo_~n |fibo_#in~n|) (<= 2 |fibo_#in~n|)) [2020-07-20 03:21:33,401 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-07-20 03:21:33,401 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse6 (<= 1 |fibo_#t~ret0|)) (.cse7 (<= |fibo_#t~ret0| 1)) (.cse9 (<= 3 |fibo_#in~n|)) (.cse10 (<= |fibo_#in~n| 3)) (.cse5 (<= |fibo_#in~n| 9))) (let ((.cse0 (and (<= 21 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 21) (<= 9 |fibo_#in~n|) .cse5)) (.cse1 (and (<= |fibo_#in~n| 8) (<= 8 |fibo_#in~n|) (<= |fibo_#t~ret0| 13) (<= 13 |fibo_#t~ret0|))) (.cse2 (<= 11 |fibo_#in~n|)) (.cse3 (and (<= fibo_~n 10) (<= 10 |fibo_#in~n|))) (.cse4 (and (<= |fibo_#t~ret0| 8) (<= fibo_~n 7) (<= 7 |fibo_#in~n|) (<= 8 |fibo_#t~ret0|))) (.cse8 (and .cse6 .cse7 .cse9 .cse10))) (and (or .cse0 (<= |fibo_#in~n| 6) .cse1 .cse2 .cse3 .cse4) (= fibo_~n |fibo_#in~n|) (or (and (<= 34 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 34)) .cse5 .cse2) (or .cse0 (and (<= 5 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 5) (<= 6 |fibo_#in~n|)) .cse1 (and (<= |fibo_#t~ret0| 2) (<= |fibo_#in~n| 4) (<= 3 fibo_~n) (<= 2 |fibo_#t~ret0|)) (and .cse6 .cse7 (<= |fibo_#in~n| 2) (<= 2 |fibo_#in~n|)) (and (<= 5 |fibo_#in~n|) (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3) (<= |fibo_#in~n| 5)) .cse2 .cse8 .cse3 .cse4) (or (not .cse9) (not .cse10) .cse8)))) [2020-07-20 03:21:33,401 INFO L268 CegarLoopResult]: For program point L8(lines 8 12) no Hoare annotation was computed. [2020-07-20 03:21:33,401 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-07-20 03:21:33,402 INFO L268 CegarLoopResult]: For program point L6(lines 6 12) no Hoare annotation was computed. [2020-07-20 03:21:33,402 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-07-20 03:21:33,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:21:33 BoogieIcfgContainer [2020-07-20 03:21:33,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:21:33,408 INFO L168 Benchmark]: Toolchain (without parser) took 53728.60 ms. Allocated memory was 142.1 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 99.9 MB in the beginning and 1.1 GB in the end (delta: -989.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,409 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.88 ms. Allocated memory is still 142.1 MB. Free memory was 99.5 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,410 INFO L168 Benchmark]: Boogie Preprocessor took 26.96 ms. Allocated memory is still 142.1 MB. Free memory was 90.3 MB in the beginning and 88.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,411 INFO L168 Benchmark]: RCFGBuilder took 301.85 ms. Allocated memory was 142.1 MB in the beginning and 198.2 MB in the end (delta: 56.1 MB). Free memory was 88.9 MB in the beginning and 165.4 MB in the end (delta: -76.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,412 INFO L168 Benchmark]: TraceAbstraction took 53113.10 ms. Allocated memory was 198.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 164.7 MB in the beginning and 1.1 GB in the end (delta: -925.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-20 03:21:33,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.88 ms. Allocated memory is still 142.1 MB. Free memory was 99.5 MB in the beginning and 90.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.96 ms. Allocated memory is still 142.1 MB. Free memory was 90.3 MB in the beginning and 88.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.85 ms. Allocated memory was 142.1 MB in the beginning and 198.2 MB in the end (delta: 56.1 MB). Free memory was 88.9 MB in the beginning and 165.4 MB in the end (delta: -76.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53113.10 ms. Allocated memory was 198.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 164.7 MB in the beginning and 1.1 GB in the end (delta: -925.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50.9s, OverallIterations: 14, TraceHistogramMax: 219, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 424 SDtfs, 1228 SDslu, 2617 SDs, 0 SdLazy, 4570 SolverSat, 1172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9099 GetRequests, 8643 SyntacticMatches, 89 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3811 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 124 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 662 PreInvPairs, 926 NumberOfFragments, 224 HoareAnnotationTreeSize, 662 FomulaSimplifications, 2383 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 8 FomulaSimplificationsInter, 6980 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 33.7s InterpolantComputationTime, 13015 NumberOfCodeBlocks, 12078 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 12989 ConstructedInterpolants, 0 QuantifiedInterpolants, 26626817 SizeOfPredicates, 79 NumberOfNonLiveVariables, 12888 ConjunctsInSsa, 867 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 746889/869962 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...