/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/Problem02_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:57:54,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:57:54,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:57:54,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:57:54,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:57:54,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:57:54,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:57:54,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:57:54,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:57:54,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:57:54,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:57:54,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:57:54,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:57:54,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:57:54,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:57:54,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:57:54,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:57:54,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:57:54,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:57:54,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:57:54,221 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 [2019-11-06 18:57:54,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:57:54,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:57:54,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:57:54,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:57:54,248 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:57:54,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:57:54,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:57:54,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:57:54,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:57:54,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:57:54,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:57:54,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:57:54,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:57:54,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:57:54,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:57:54,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:57:54,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:57:54,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:57:54,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:57:54,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:57:54,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:57:54,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:57:54,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:57:54,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:57:54,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:57:54,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:57:54,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:57:54,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:57:54,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:57:54,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:57:54,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:57:54,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:57:54,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:57:54,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:57:54,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2019-11-06 18:57:54,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf5fd7b1/96bf164391dc4245ac939ad67448a2cb/FLAG9fa980769 [2019-11-06 18:57:55,184 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:57:55,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label09.c [2019-11-06 18:57:55,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf5fd7b1/96bf164391dc4245ac939ad67448a2cb/FLAG9fa980769 [2019-11-06 18:57:55,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf5fd7b1/96bf164391dc4245ac939ad67448a2cb [2019-11-06 18:57:55,555 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:57:55,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:57:55,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:57:55,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:57:55,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:57:55,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:57:55" (1/1) ... [2019-11-06 18:57:55,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a6c2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:55, skipping insertion in model container [2019-11-06 18:57:55,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:57:55" (1/1) ... [2019-11-06 18:57:55,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:57:55,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:57:56,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:57:56,209 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:57:56,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:57:56,331 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:57:56,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56 WrapperNode [2019-11-06 18:57:56,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:57:56,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:57:56,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:57:56,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:57:56,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (1/1) ... [2019-11-06 18:57:56,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:57:56,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:57:56,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:57:56,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:57:56,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (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 [2019-11-06 18:57:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:57:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:57:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:57:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:57:56,518 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:57:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:57:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:57:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:57:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:57:56,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:57:56,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:57:57,726 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:57:57,727 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:57:57,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:57:57 BoogieIcfgContainer [2019-11-06 18:57:57,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:57:57,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:57:57,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:57:57,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:57:57,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:57:55" (1/3) ... [2019-11-06 18:57:57,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8279d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:57:57, skipping insertion in model container [2019-11-06 18:57:57,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:57:56" (2/3) ... [2019-11-06 18:57:57,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc8279d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:57:57, skipping insertion in model container [2019-11-06 18:57:57,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:57:57" (3/3) ... [2019-11-06 18:57:57,745 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label09.c [2019-11-06 18:57:57,758 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:57:57,767 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:57:57,778 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:57:57,807 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:57:57,808 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:57:57,808 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:57:57,808 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:57:57,808 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:57:57,808 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:57:57,808 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:57:57,809 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:57:57,833 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2019-11-06 18:57:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-06 18:57:57,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:57:57,848 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:57:57,850 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:57:57,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:57:57,856 INFO L82 PathProgramCache]: Analyzing trace with hash -976875031, now seen corresponding path program 1 times [2019-11-06 18:57:57,864 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:57:57,864 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375326358] [2019-11-06 18:57:57,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:57:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:57:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:57:58,453 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375326358] [2019-11-06 18:57:58,454 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:57:58,454 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:57:58,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900018262] [2019-11-06 18:57:58,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:57:58,463 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:57:58,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:57:58,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:57:58,486 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2019-11-06 18:58:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:00,784 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2019-11-06 18:58:00,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:58:00,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2019-11-06 18:58:00,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:00,805 INFO L225 Difference]: With dead ends: 828 [2019-11-06 18:58:00,806 INFO L226 Difference]: Without dead ends: 494 [2019-11-06 18:58:00,814 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:58:00,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-11-06 18:58:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2019-11-06 18:58:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-11-06 18:58:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2019-11-06 18:58:00,902 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 127 [2019-11-06 18:58:00,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:00,903 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2019-11-06 18:58:00,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:58:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2019-11-06 18:58:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-06 18:58:00,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:00,910 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:00,910 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:00,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1101712018, now seen corresponding path program 1 times [2019-11-06 18:58:00,911 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:00,911 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794701365] [2019-11-06 18:58:00,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:01,284 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794701365] [2019-11-06 18:58:01,284 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918134029] [2019-11-06 18:58:01,285 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 [2019-11-06 18:58:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:01,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:01,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:01,491 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:58:01,491 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:58:01,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692162860] [2019-11-06 18:58:01,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:58:01,494 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:58:01,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:58:01,494 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2019-11-06 18:58:02,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:02,084 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2019-11-06 18:58:02,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:58:02,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-11-06 18:58:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:02,093 INFO L225 Difference]: With dead ends: 1380 [2019-11-06 18:58:02,093 INFO L226 Difference]: Without dead ends: 911 [2019-11-06 18:58:02,095 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:58:02,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2019-11-06 18:58:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2019-11-06 18:58:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2019-11-06 18:58:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2019-11-06 18:58:02,139 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 135 [2019-11-06 18:58:02,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:02,140 INFO L462 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2019-11-06 18:58:02,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:58:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2019-11-06 18:58:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-06 18:58:02,144 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:02,144 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:02,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:02,349 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:02,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:02,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1706292572, now seen corresponding path program 1 times [2019-11-06 18:58:02,349 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:02,350 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971878431] [2019-11-06 18:58:02,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:02,572 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971878431] [2019-11-06 18:58:02,573 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:58:02,573 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 18:58:02,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115751046] [2019-11-06 18:58:02,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 18:58:02,574 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:02,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 18:58:02,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:58:02,575 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 8 states. [2019-11-06 18:58:04,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:04,419 INFO L93 Difference]: Finished difference Result 1896 states and 3010 transitions. [2019-11-06 18:58:04,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 18:58:04,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2019-11-06 18:58:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:04,430 INFO L225 Difference]: With dead ends: 1896 [2019-11-06 18:58:04,431 INFO L226 Difference]: Without dead ends: 1281 [2019-11-06 18:58:04,433 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:58:04,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2019-11-06 18:58:04,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1232. [2019-11-06 18:58:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2019-11-06 18:58:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1808 transitions. [2019-11-06 18:58:04,492 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1808 transitions. Word has length 142 [2019-11-06 18:58:04,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:04,492 INFO L462 AbstractCegarLoop]: Abstraction has 1232 states and 1808 transitions. [2019-11-06 18:58:04,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 18:58:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1808 transitions. [2019-11-06 18:58:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-06 18:58:04,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:04,498 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:04,498 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:04,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:04,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1275409281, now seen corresponding path program 1 times [2019-11-06 18:58:04,499 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:04,499 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413634105] [2019-11-06 18:58:04,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-06 18:58:04,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413634105] [2019-11-06 18:58:04,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623054544] [2019-11-06 18:58:04,707 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 [2019-11-06 18:58:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:04,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:04,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:04,865 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:58:04,865 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-11-06 18:58:04,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454946454] [2019-11-06 18:58:04,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 18:58:04,867 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:04,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 18:58:04,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:58:04,868 INFO L87 Difference]: Start difference. First operand 1232 states and 1808 transitions. Second operand 12 states. [2019-11-06 18:58:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:06,391 INFO L93 Difference]: Finished difference Result 2759 states and 4165 transitions. [2019-11-06 18:58:06,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 18:58:06,392 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 150 [2019-11-06 18:58:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:06,402 INFO L225 Difference]: With dead ends: 2759 [2019-11-06 18:58:06,402 INFO L226 Difference]: Without dead ends: 1533 [2019-11-06 18:58:06,406 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2019-11-06 18:58:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2019-11-06 18:58:06,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 611. [2019-11-06 18:58:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-11-06 18:58:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 840 transitions. [2019-11-06 18:58:06,445 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 840 transitions. Word has length 150 [2019-11-06 18:58:06,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:06,445 INFO L462 AbstractCegarLoop]: Abstraction has 611 states and 840 transitions. [2019-11-06 18:58:06,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 18:58:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 840 transitions. [2019-11-06 18:58:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-06 18:58:06,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:06,448 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:06,652 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:06,652 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:06,653 INFO L82 PathProgramCache]: Analyzing trace with hash -234431911, now seen corresponding path program 1 times [2019-11-06 18:58:06,653 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:06,654 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889003754] [2019-11-06 18:58:06,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:07,176 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889003754] [2019-11-06 18:58:07,177 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037955355] [2019-11-06 18:58:07,177 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 [2019-11-06 18:58:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:07,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-06 18:58:07,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:58:07,341 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:58:07,341 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-06 18:58:07,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405018169] [2019-11-06 18:58:07,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:58:07,342 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:07,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:58:07,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:58:07,343 INFO L87 Difference]: Start difference. First operand 611 states and 840 transitions. Second operand 5 states. [2019-11-06 18:58:08,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:08,068 INFO L93 Difference]: Finished difference Result 1841 states and 2654 transitions. [2019-11-06 18:58:08,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:58:08,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-11-06 18:58:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:08,078 INFO L225 Difference]: With dead ends: 1841 [2019-11-06 18:58:08,079 INFO L226 Difference]: Without dead ends: 1236 [2019-11-06 18:58:08,082 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:58:08,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2019-11-06 18:58:08,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1218. [2019-11-06 18:58:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2019-11-06 18:58:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1635 transitions. [2019-11-06 18:58:08,137 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1635 transitions. Word has length 153 [2019-11-06 18:58:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:08,138 INFO L462 AbstractCegarLoop]: Abstraction has 1218 states and 1635 transitions. [2019-11-06 18:58:08,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:58:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1635 transitions. [2019-11-06 18:58:08,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-06 18:58:08,146 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:08,146 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:08,359 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:08,359 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:08,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:08,360 INFO L82 PathProgramCache]: Analyzing trace with hash 956150165, now seen corresponding path program 1 times [2019-11-06 18:58:08,360 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:08,360 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772398836] [2019-11-06 18:58:08,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 18:58:08,595 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772398836] [2019-11-06 18:58:08,595 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949297077] [2019-11-06 18:58:08,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:58:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:08,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-06 18:58:08,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 18:58:08,767 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:58:08,767 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2019-11-06 18:58:08,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668181732] [2019-11-06 18:58:08,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:58:08,768 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:08,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:58:08,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:58:08,769 INFO L87 Difference]: Start difference. First operand 1218 states and 1635 transitions. Second operand 5 states. [2019-11-06 18:58:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:09,553 INFO L93 Difference]: Finished difference Result 3191 states and 4396 transitions. [2019-11-06 18:58:09,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:58:09,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2019-11-06 18:58:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:09,568 INFO L225 Difference]: With dead ends: 3191 [2019-11-06 18:58:09,568 INFO L226 Difference]: Without dead ends: 1979 [2019-11-06 18:58:09,573 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-11-06 18:58:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1979 states. [2019-11-06 18:58:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1979 to 1669. [2019-11-06 18:58:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1669 states. [2019-11-06 18:58:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2117 transitions. [2019-11-06 18:58:09,668 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2117 transitions. Word has length 185 [2019-11-06 18:58:09,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:09,669 INFO L462 AbstractCegarLoop]: Abstraction has 1669 states and 2117 transitions. [2019-11-06 18:58:09,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:58:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2117 transitions. [2019-11-06 18:58:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-06 18:58:09,676 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:09,677 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:09,880 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:09,881 INFO L410 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:09,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:09,882 INFO L82 PathProgramCache]: Analyzing trace with hash -957859136, now seen corresponding path program 1 times [2019-11-06 18:58:09,882 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:09,883 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529632686] [2019-11-06 18:58:09,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:58:10,134 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529632686] [2019-11-06 18:58:10,134 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885804260] [2019-11-06 18:58:10,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:58:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:10,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:10,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-06 18:58:10,360 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:58:10,360 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:58:10,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150554174] [2019-11-06 18:58:10,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:58:10,361 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:10,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:58:10,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:58:10,362 INFO L87 Difference]: Start difference. First operand 1669 states and 2117 transitions. Second operand 11 states. [2019-11-06 18:58:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:13,417 INFO L93 Difference]: Finished difference Result 4357 states and 5508 transitions. [2019-11-06 18:58:13,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 18:58:13,419 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 192 [2019-11-06 18:58:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:13,428 INFO L225 Difference]: With dead ends: 4357 [2019-11-06 18:58:13,428 INFO L226 Difference]: Without dead ends: 1657 [2019-11-06 18:58:13,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2019-11-06 18:58:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2019-11-06 18:58:13,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1652. [2019-11-06 18:58:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1652 states. [2019-11-06 18:58:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1929 transitions. [2019-11-06 18:58:13,481 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1929 transitions. Word has length 192 [2019-11-06 18:58:13,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:13,481 INFO L462 AbstractCegarLoop]: Abstraction has 1652 states and 1929 transitions. [2019-11-06 18:58:13,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:58:13,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1929 transitions. [2019-11-06 18:58:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-06 18:58:13,487 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:13,488 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:13,692 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:13,693 INFO L410 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:13,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:13,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1227275172, now seen corresponding path program 1 times [2019-11-06 18:58:13,693 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:13,693 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075940489] [2019-11-06 18:58:13,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 81 proven. 32 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-06 18:58:14,126 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075940489] [2019-11-06 18:58:14,127 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187067562] [2019-11-06 18:58:14,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:58:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:14,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:14,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 18:58:14,365 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:58:14,365 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2019-11-06 18:58:14,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059269826] [2019-11-06 18:58:14,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 18:58:14,367 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:14,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 18:58:14,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-11-06 18:58:14,373 INFO L87 Difference]: Start difference. First operand 1652 states and 1929 transitions. Second operand 12 states. [2019-11-06 18:58:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:16,758 INFO L93 Difference]: Finished difference Result 3939 states and 4854 transitions. [2019-11-06 18:58:16,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 18:58:16,761 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 206 [2019-11-06 18:58:16,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:16,773 INFO L225 Difference]: With dead ends: 3939 [2019-11-06 18:58:16,774 INFO L226 Difference]: Without dead ends: 2437 [2019-11-06 18:58:16,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=629, Unknown=0, NotChecked=0, Total=870 [2019-11-06 18:58:16,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2437 states. [2019-11-06 18:58:16,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2437 to 2396. [2019-11-06 18:58:16,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2019-11-06 18:58:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 2794 transitions. [2019-11-06 18:58:16,856 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 2794 transitions. Word has length 206 [2019-11-06 18:58:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:16,857 INFO L462 AbstractCegarLoop]: Abstraction has 2396 states and 2794 transitions. [2019-11-06 18:58:16,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 18:58:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2794 transitions. [2019-11-06 18:58:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-06 18:58:16,864 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:58:16,864 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:58:17,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:17,073 INFO L410 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:58:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:58:17,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1308530112, now seen corresponding path program 1 times [2019-11-06 18:58:17,074 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:58:17,074 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961502031] [2019-11-06 18:58:17,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:58:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:58:17,402 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961502031] [2019-11-06 18:58:17,402 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28344170] [2019-11-06 18:58:17,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-11-06 18:58:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:58:17,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:58:17,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:58:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-06 18:58:17,595 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:58:17,595 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2019-11-06 18:58:17,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693723085] [2019-11-06 18:58:17,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:58:17,597 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:58:17,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:58:17,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:58:17,597 INFO L87 Difference]: Start difference. First operand 2396 states and 2794 transitions. Second operand 3 states. [2019-11-06 18:58:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:58:18,160 INFO L93 Difference]: Finished difference Result 4641 states and 5429 transitions. [2019-11-06 18:58:18,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:58:18,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-11-06 18:58:18,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:58:18,162 INFO L225 Difference]: With dead ends: 4641 [2019-11-06 18:58:18,163 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:58:18,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:58:18,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:58:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:58:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:58:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:58:18,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2019-11-06 18:58:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:58:18,174 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:58:18,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:58:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:58:18,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:58:18,378 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:58:18,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:58:18,913 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 135 [2019-11-06 18:58:19,042 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 135 [2019-11-06 18:58:20,356 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 164 DAG size of output: 55 [2019-11-06 18:58:20,856 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2019-11-06 18:58:21,233 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2019-11-06 18:58:21,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:58:21,236 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:58:21,236 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-06 18:58:21,237 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-06 18:58:21,238 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,239 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-06 18:58:21,240 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:58:21,241 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:58:21,242 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-06 18:58:21,243 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-06 18:58:21,244 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-06 18:58:21,245 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,246 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-06 18:58:21,247 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-06 18:58:21,248 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,249 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-06 18:58:21,250 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-06 18:58:21,251 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-06 18:58:21,252 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-06 18:58:21,253 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,254 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-06 18:58:21,255 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,256 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a17~0 |old(~a17~0)|)) (.cse16 (= ~a11~0 |old(~a11~0)|)) (.cse17 (= ~a17~0 8)) (.cse9 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a25~0 |old(~a25~0)|)) (.cse0 (= 1 |old(~a11~0)|)) (.cse14 (not (<= |old(~a17~0)| 8)))) (let ((.cse2 (or .cse14 (not (<= |old(~a25~0)| 0)))) (.cse8 (= ~a11~0 1)) (.cse12 (not .cse0)) (.cse13 (not (<= |old(~a17~0)| 7))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse3 (and .cse16 .cse17 .cse9 .cse10 .cse11)) (.cse1 (and .cse16 .cse7 .cse9 .cse10 .cse11)) (.cse4 (not (= 1 |old(~a19~0)|))) (.cse15 (not (<= |old(~a28~0)| 7))) (.cse5 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse2 (and .cse7 .cse9 .cse10 .cse8 .cse11) .cse12 .cse13) (or .cse0 .cse6 .cse5 .cse3) (or .cse1 (or .cse14 .cse15 .cse4)) (or (and (and .cse16 .cse17) .cse9 .cse10 .cse11) (or .cse15 .cse5))))) [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-06 18:58:21,257 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-06 18:58:21,258 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-06 18:58:21,259 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-06 18:58:21,260 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,261 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-06 18:58:21,262 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-06 18:58:21,263 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-06 18:58:21,264 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-06 18:58:21,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:58:21,264 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a28~0 7) (= ~a17~0 8) (= ~a19~0 1) (not (= ~a19~0 ~a11~0)) (<= ~a25~0 0)) [2019-11-06 18:58:21,264 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:58:21,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:58:21,264 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= 1 |old(~a19~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (<= |old(~a25~0)| 0)) (not (= 8 |old(~a17~0)|))) [2019-11-06 18:58:21,265 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (= ~a17~0 8)) (.cse9 (<= ~a28~0 7)) (.cse10 (<= ~a17~0 8))) (let ((.cse3 (<= 9 ~a28~0)) (.cse0 (and .cse9 (= ~a19~0 1) .cse10)) (.cse2 (<= ~a17~0 7)) (.cse1 (= ~a11~0 1)) (.cse6 (and .cse4 (= ~a19~0 |old(~a19~0)|))) (.cse7 (and (<= ~a25~0 0) .cse10)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (and .cse4 .cse9))) (or (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3) (and .cse0 .cse5) (= |old(~a11~0)| |old(~a19~0)|) (and .cse6 .cse1) (and .cse2 .cse1 .cse7) (and .cse8 .cse1) (and .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse5 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse8) (not (= 8 |old(~a17~0)|))))) [2019-11-06 18:58:21,265 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:58:21,265 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2019-11-06 18:58:21,265 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a17~0 8)) (.cse9 (<= ~a28~0 7)) (.cse10 (<= ~a17~0 8))) (let ((.cse3 (<= 9 ~a28~0)) (.cse0 (and .cse9 (= ~a19~0 1) .cse10)) (.cse2 (<= ~a17~0 7)) (.cse1 (= ~a11~0 1)) (.cse6 (and .cse4 (= ~a19~0 |old(~a19~0)|))) (.cse7 (and (<= ~a25~0 0) .cse10)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse8 (and .cse4 .cse9))) (or (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse3) (and .cse0 .cse5) (= |old(~a11~0)| |old(~a19~0)|) (and .cse6 .cse1) (and .cse2 .cse1 .cse7) (and .cse8 .cse1) (and .cse5 .cse6) (not (<= |old(~a25~0)| 0)) (and .cse5 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse8) (not (= 8 |old(~a17~0)|))))) [2019-11-06 18:58:21,265 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-11-06 18:58:21,265 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-06 18:58:21,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:58:21 BoogieIcfgContainer [2019-11-06 18:58:21,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:58:21,287 INFO L168 Benchmark]: Toolchain (without parser) took 25730.65 ms. Allocated memory was 144.7 MB in the beginning and 577.2 MB in the end (delta: 432.5 MB). Free memory was 101.2 MB in the beginning and 273.4 MB in the end (delta: -172.1 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,288 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.64 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 169.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,289 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory is still 203.4 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,290 INFO L168 Benchmark]: RCFGBuilder took 1286.07 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 180.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,291 INFO L168 Benchmark]: TraceAbstraction took 23555.59 ms. Allocated memory was 235.9 MB in the beginning and 577.2 MB in the end (delta: 341.3 MB). Free memory was 180.2 MB in the beginning and 273.4 MB in the end (delta: -93.2 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. [2019-11-06 18:58:21,295 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.64 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.0 MB in the beginning and 169.2 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory is still 203.4 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.07 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 164.1 MB in the beginning and 180.2 MB in the end (delta: -16.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23555.59 ms. Allocated memory was 235.9 MB in the beginning and 577.2 MB in the end (delta: 341.3 MB). Free memory was 180.2 MB in the beginning and 273.4 MB in the end (delta: -93.2 MB). Peak memory consumption was 395.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(a28) <= 7) || (((a28 <= 7 && a19 == 1) && a17 <= 8) && a11 == 1)) || ((a17 <= 7 && 9 <= a28) && a11 == 1)) || ((a17 == 8 && a11 == \old(a11)) && 9 <= a28)) || (((a28 <= 7 && a19 == 1) && a17 <= 8) && a11 == \old(a11))) || \old(a11) == \old(a19)) || ((a17 == 8 && a19 == \old(a19)) && a11 == 1)) || ((a17 <= 7 && a11 == 1) && a25 <= 0 && a17 <= 8)) || ((a17 == 8 && a28 <= 7) && a11 == 1)) || (a11 == \old(a11) && a17 == 8 && a19 == \old(a19))) || !(\old(a25) <= 0)) || (a11 == \old(a11) && a25 <= 0 && a17 <= 8)) || !(1 == \old(a19))) || (a11 == \old(a11) && a17 == 8 && a28 <= 7)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 23.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 493 SDtfs, 5134 SDslu, 449 SDs, 0 SdLazy, 8673 SolverSat, 2012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1280 SyntacticMatches, 4 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2396occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1654 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 141 NumberOfFragments, 583 HoareAnnotationTreeSize, 93 FomulaSimplifications, 117470 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6932 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2727 NumberOfCodeBlocks, 2727 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2711 ConstructedInterpolants, 0 QuantifiedInterpolants, 1573287 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3007 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 834/906 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...