/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:08:03,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:08:03,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:08:03,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:08:03,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:08:03,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:08:03,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:08:03,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:08:03,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:08:03,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:08:03,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:08:03,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:08:03,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:08:03,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:08:03,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:08:03,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:08:03,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:08:03,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:08:03,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:08:03,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:08:03,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:08:03,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:08:03,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:08:03,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:08:03,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:08:03,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:08:03,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:08:03,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:08:03,438 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 [2020-07-17 12:08:03,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:08:03,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:08:03,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:08:03,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:08:03,469 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:08:03,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:08:03,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:08:03,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:08:03,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:08:03,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:08:03,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:08:03,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:08:03,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:08:03,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:08:03,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:08:03,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:08:03,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:08:03,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:08:03,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:08:03,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:08:03,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:08:03,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:03,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:08:03,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:08:03,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:08:03,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:08:03,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:08:03,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:08:03,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:08:03,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:08:03,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:08:03,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:08:03,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:08:03,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:08:03,770 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:08:03,771 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-07-17 12:08:03,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede78ac77/aa95653c71724bbb881989aecad9a03b/FLAG37a69cee9 [2020-07-17 12:08:04,314 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:08:04,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label03.c [2020-07-17 12:08:04,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede78ac77/aa95653c71724bbb881989aecad9a03b/FLAG37a69cee9 [2020-07-17 12:08:04,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ede78ac77/aa95653c71724bbb881989aecad9a03b [2020-07-17 12:08:04,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:08:04,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:08:04,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:04,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:08:04,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:08:04,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:04" (1/1) ... [2020-07-17 12:08:04,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a645166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:04, skipping insertion in model container [2020-07-17 12:08:04,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:04" (1/1) ... [2020-07-17 12:08:04,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:08:04,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:08:05,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:05,131 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:08:05,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:05,357 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:08:05,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05 WrapperNode [2020-07-17 12:08:05,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:05,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:08:05,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:08:05,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:08:05,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (1/1) ... [2020-07-17 12:08:05,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:08:05,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:08:05,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:08:05,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:08:05,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (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 [2020-07-17 12:08:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:08:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:08:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:08:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:08:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:08:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:08:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:08:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:08:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:08:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:08:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:08:06,717 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:08:06,717 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:08:06,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:06 BoogieIcfgContainer [2020-07-17 12:08:06,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:08:06,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:08:06,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:08:06,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:08:06,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:08:04" (1/3) ... [2020-07-17 12:08:06,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d545135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:06, skipping insertion in model container [2020-07-17 12:08:06,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:05" (2/3) ... [2020-07-17 12:08:06,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d545135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:06, skipping insertion in model container [2020-07-17 12:08:06,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:06" (3/3) ... [2020-07-17 12:08:06,731 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label03.c [2020-07-17 12:08:06,742 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:08:06,750 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:08:06,764 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:08:06,789 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:08:06,790 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:08:06,790 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:08:06,790 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:08:06,790 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:08:06,791 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:08:06,791 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:08:06,791 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:08:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:08:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-17 12:08:06,821 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:06,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:06,823 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:06,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:06,829 INFO L82 PathProgramCache]: Analyzing trace with hash 871832311, now seen corresponding path program 1 times [2020-07-17 12:08:06,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:06,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858020254] [2020-07-17 12:08:06,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:07,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858020254] [2020-07-17 12:08:07,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:07,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 12:08:07,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544650950] [2020-07-17 12:08:07,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:08:07,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:07,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:08:07,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:08:07,175 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-07-17 12:08:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:08,632 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-07-17 12:08:08,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:08:08,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-07-17 12:08:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:08,667 INFO L225 Difference]: With dead ends: 596 [2020-07-17 12:08:08,667 INFO L226 Difference]: Without dead ends: 302 [2020-07-17 12:08:08,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:08:08,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-07-17 12:08:08,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-07-17 12:08:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-07-17 12:08:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-07-17 12:08:08,761 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 42 [2020-07-17 12:08:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:08,762 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-07-17 12:08:08,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:08:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-07-17 12:08:08,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-17 12:08:08,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:08,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:08,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:08:08,769 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:08,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1448018810, now seen corresponding path program 1 times [2020-07-17 12:08:08,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:08,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402832640] [2020-07-17 12:08:08,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 12:08:09,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402832640] [2020-07-17 12:08:09,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953012404] [2020-07-17 12:08:09,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-17 12:08:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:09,161 INFO L264 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:09,170 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:09,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:09,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:08:09,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865343400] [2020-07-17 12:08:09,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:08:09,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:09,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:08:09,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:09,235 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2020-07-17 12:08:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:10,029 INFO L93 Difference]: Finished difference Result 874 states and 1344 transitions. [2020-07-17 12:08:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:08:10,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-07-17 12:08:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:10,037 INFO L225 Difference]: With dead ends: 874 [2020-07-17 12:08:10,037 INFO L226 Difference]: Without dead ends: 584 [2020-07-17 12:08:10,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-07-17 12:08:10,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2020-07-17 12:08:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-07-17 12:08:10,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 806 transitions. [2020-07-17 12:08:10,111 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 806 transitions. Word has length 112 [2020-07-17 12:08:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:10,112 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 806 transitions. [2020-07-17 12:08:10,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:08:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 806 transitions. [2020-07-17 12:08:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-07-17 12:08:10,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:10,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:10,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:08:10,333 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:10,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:10,335 INFO L82 PathProgramCache]: Analyzing trace with hash 444581905, now seen corresponding path program 1 times [2020-07-17 12:08:10,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:10,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264438602] [2020-07-17 12:08:10,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:10,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264438602] [2020-07-17 12:08:10,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:10,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:10,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142622296] [2020-07-17 12:08:10,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:10,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:10,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:10,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:10,591 INFO L87 Difference]: Start difference. First operand 584 states and 806 transitions. Second operand 8 states. [2020-07-17 12:08:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:12,283 INFO L93 Difference]: Finished difference Result 1490 states and 2156 transitions. [2020-07-17 12:08:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 12:08:12,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-07-17 12:08:12,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:12,293 INFO L225 Difference]: With dead ends: 1490 [2020-07-17 12:08:12,293 INFO L226 Difference]: Without dead ends: 912 [2020-07-17 12:08:12,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-07-17 12:08:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-07-17 12:08:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 749. [2020-07-17 12:08:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2020-07-17 12:08:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1011 transitions. [2020-07-17 12:08:12,328 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1011 transitions. Word has length 123 [2020-07-17 12:08:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:12,328 INFO L479 AbstractCegarLoop]: Abstraction has 749 states and 1011 transitions. [2020-07-17 12:08:12,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1011 transitions. [2020-07-17 12:08:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-07-17 12:08:12,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:12,334 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:12,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:08:12,334 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:12,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:12,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1799011941, now seen corresponding path program 1 times [2020-07-17 12:08:12,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:12,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867679285] [2020-07-17 12:08:12,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:08:12,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867679285] [2020-07-17 12:08:12,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830516253] [2020-07-17 12:08:12,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-17 12:08:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,703 INFO L264 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:12,710 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 138 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:12,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:12,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-17 12:08:12,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255868281] [2020-07-17 12:08:12,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:08:12,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:08:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:12,808 INFO L87 Difference]: Start difference. First operand 749 states and 1011 transitions. Second operand 10 states. [2020-07-17 12:08:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:14,771 INFO L93 Difference]: Finished difference Result 2112 states and 2846 transitions. [2020-07-17 12:08:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 12:08:14,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-07-17 12:08:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:14,784 INFO L225 Difference]: With dead ends: 2112 [2020-07-17 12:08:14,784 INFO L226 Difference]: Without dead ends: 1369 [2020-07-17 12:08:14,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 200 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-17 12:08:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-07-17 12:08:14,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1349. [2020-07-17 12:08:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1349 states. [2020-07-17 12:08:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1658 transitions. [2020-07-17 12:08:14,859 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1658 transitions. Word has length 194 [2020-07-17 12:08:14,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:14,861 INFO L479 AbstractCegarLoop]: Abstraction has 1349 states and 1658 transitions. [2020-07-17 12:08:14,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:08:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1658 transitions. [2020-07-17 12:08:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-17 12:08:14,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:14,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:15,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:15,107 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:15,108 INFO L82 PathProgramCache]: Analyzing trace with hash -790528240, now seen corresponding path program 1 times [2020-07-17 12:08:15,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:15,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543655527] [2020-07-17 12:08:15,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 70 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:08:15,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543655527] [2020-07-17 12:08:15,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729116071] [2020-07-17 12:08:15,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-17 12:08:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:15,572 INFO L264 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:15,590 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 12:08:15,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:15,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:08:15,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310029560] [2020-07-17 12:08:15,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:08:15,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:15,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:08:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:15,667 INFO L87 Difference]: Start difference. First operand 1349 states and 1658 transitions. Second operand 3 states. [2020-07-17 12:08:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:16,292 INFO L93 Difference]: Finished difference Result 1782 states and 2192 transitions. [2020-07-17 12:08:16,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:08:16,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-07-17 12:08:16,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:16,294 INFO L225 Difference]: With dead ends: 1782 [2020-07-17 12:08:16,294 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:08:16,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:08:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:08:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:08:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:08:16,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2020-07-17 12:08:16,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:16,300 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:08:16,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:08:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:08:16,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:08:16,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:16,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:08:16,787 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 23 [2020-07-17 12:08:16,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:16,869 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:08:16,869 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:16,869 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:08:16,869 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,869 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,869 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:08:16,870 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,871 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:08:16,872 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:08:16,873 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,874 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,875 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,875 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,875 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:08:16,876 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:08:16,876 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:08:16,876 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:08:16,877 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:08:16,878 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:08:16,879 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,880 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:08:16,881 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:08:16,882 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:08:16,883 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,884 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:08:16,885 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:08:16,886 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,887 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:08:16,888 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:08:16,889 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (<= 2 |old(~a10~0)|)) .cse0) (or (not (<= 7 |old(~a19~0)|)) .cse0))) [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,890 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:08:16,891 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:08:16,892 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:08:16,893 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:08:16,894 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,895 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:08:16,896 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:16,897 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 7 ~a19~0) (<= 23 ~a1~0)) [2020-07-17 12:08:16,898 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:08:16,898 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:16,898 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 7 |old(~a19~0)|)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:08:16,898 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:16,898 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (<= 7 ~a19~0) (not (<= 7 |old(~a19~0)|)) (<= 2 ~a10~0)) [2020-07-17 12:08:16,898 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:08:16,898 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:08:16,899 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a10~0 0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (<= 7 ~a19~0) (not (<= 7 |old(~a19~0)|)) (<= 2 ~a10~0)) [2020-07-17 12:08:16,899 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:16,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:08:16 BoogieIcfgContainer [2020-07-17 12:08:16,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:08:16,918 INFO L168 Benchmark]: Toolchain (without parser) took 12302.39 ms. Allocated memory was 141.6 MB in the beginning and 383.3 MB in the end (delta: 241.7 MB). Free memory was 100.7 MB in the beginning and 232.7 MB in the end (delta: -132.0 MB). Peak memory consumption was 109.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,919 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.90 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 170.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,921 INFO L168 Benchmark]: Boogie Preprocessor took 102.31 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,922 INFO L168 Benchmark]: RCFGBuilder took 1262.37 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 182.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,923 INFO L168 Benchmark]: TraceAbstraction took 10191.27 ms. Allocated memory was 233.8 MB in the beginning and 383.3 MB in the end (delta: 149.4 MB). Free memory was 180.8 MB in the beginning and 232.7 MB in the end (delta: -51.9 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:16,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 737.90 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 100.3 MB in the beginning and 170.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.31 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 165.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.37 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 182.2 MB in the end (delta: -16.8 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10191.27 ms. Allocated memory was 233.8 MB in the beginning and 383.3 MB in the end (delta: 149.4 MB). Free memory was 180.8 MB in the beginning and 232.7 MB in the end (delta: -51.9 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((a10 <= 0 || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || 7 <= a19) || !(7 <= \old(a19))) || 2 <= a10 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 2630 SDslu, 149 SDs, 0 SdLazy, 3436 SolverSat, 858 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1349occurred in iteration=4, 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, 5 MinimizatonAttempts, 189 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 30 PreInvPairs, 54 NumberOfFragments, 155 HoareAnnotationTreeSize, 30 FomulaSimplifications, 3564 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 713 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1199 NumberOfCodeBlocks, 1199 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1191 ConstructedInterpolants, 0 QuantifiedInterpolants, 407577 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1001 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 607/689 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...