/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:37:18,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:37:18,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:37:18,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 21:37:18,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:37:18,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:37:18,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:37:18,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:37:18,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:37:18,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:37:18,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:37:18,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:37:18,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:37:18,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:37:18,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:37:18,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:37:18,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:37:18,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:37:18,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:37:18,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:37:18,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:37:18,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:37:18,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:37:18,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:37:18,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:37:18,590 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:37:18,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:37:18,590 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:37:18,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:37:18,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:37:18,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:37:18,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:37:18,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:37:18,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:37:18,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:37:18,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:37:18,592 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:37:18,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:37:18,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:37:18,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:37:18,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:37:18,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:37:18,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:37:18,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:37:18,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:37:18,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:37:18,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:37:18,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:37:18,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:37:18,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:37:18,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:37:18,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:37:18,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:37:18,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:37:18,879 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:37:18,881 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:37:18,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-19 21:37:18,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe408554d/f65901c356fb44d9b1408f29401e6d91/FLAG5d0d5ecb8 [2020-07-19 21:37:19,584 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:37:19,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label54.c [2020-07-19 21:37:19,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe408554d/f65901c356fb44d9b1408f29401e6d91/FLAG5d0d5ecb8 [2020-07-19 21:37:19,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe408554d/f65901c356fb44d9b1408f29401e6d91 [2020-07-19 21:37:19,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:37:19,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:37:19,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:19,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:37:19,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:37:19,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:19" (1/1) ... [2020-07-19 21:37:19,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c24edc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:19, skipping insertion in model container [2020-07-19 21:37:19,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:37:19" (1/1) ... [2020-07-19 21:37:19,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:37:19,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:37:20,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:20,355 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:37:20,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:37:20,716 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:37:20,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20 WrapperNode [2020-07-19 21:37:20,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:37:20,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:37:20,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:37:20,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:37:20,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... [2020-07-19 21:37:20,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:37:20,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:37:20,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:37:20,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:37:20,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:37:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:37:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:37:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:37:20,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:37:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:37:20,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:37:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:37:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:37:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:37:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:37:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:37:22,187 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:37:22,188 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:37:22,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:22 BoogieIcfgContainer [2020-07-19 21:37:22,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:37:22,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:37:22,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:37:22,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:37:22,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:37:19" (1/3) ... [2020-07-19 21:37:22,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1b3b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:22, skipping insertion in model container [2020-07-19 21:37:22,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:37:20" (2/3) ... [2020-07-19 21:37:22,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1b3b5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:37:22, skipping insertion in model container [2020-07-19 21:37:22,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:37:22" (3/3) ... [2020-07-19 21:37:22,212 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2020-07-19 21:37:22,223 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:37:22,237 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:37:22,251 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:37:22,288 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:37:22,290 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:37:22,290 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:37:22,290 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:37:22,290 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:37:22,290 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:37:22,291 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:37:22,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:37:22,319 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:37:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:37:22,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:22,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:22,334 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:22,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:22,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2020-07-19 21:37:22,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:22,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753496665] [2020-07-19 21:37:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 [2020-07-19 21:37:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:22,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753496665] [2020-07-19 21:37:22,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:37:22,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:37:22,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602106856] [2020-07-19 21:37:22,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:37:22,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:22,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:37:22,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:37:22,883 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-19 21:37:25,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:25,299 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-07-19 21:37:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:37:25,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-19 21:37:25,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:25,345 INFO L225 Difference]: With dead ends: 784 [2020-07-19 21:37:25,345 INFO L226 Difference]: Without dead ends: 480 [2020-07-19 21:37:25,359 INFO L675 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 [2020-07-19 21:37:25,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-19 21:37:25,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-07-19 21:37:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-19 21:37:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-07-19 21:37:25,460 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 107 [2020-07-19 21:37:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:25,461 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-07-19 21:37:25,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:37:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-07-19 21:37:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-19 21:37:25,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:25,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:25,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:37:25,471 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:25,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:25,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1627373773, now seen corresponding path program 1 times [2020-07-19 21:37:25,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:25,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933558270] [2020-07-19 21:37:25,472 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 [2020-07-19 21:37:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:37:25,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933558270] [2020-07-19 21:37:25,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734653665] [2020-07-19 21:37:25,747 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:25,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:37:25,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:37:25,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:25,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-19 21:37:25,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311338104] [2020-07-19 21:37:25,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:37:25,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:25,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:37:25,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:25,941 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 3 states. [2020-07-19 21:37:26,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:26,603 INFO L93 Difference]: Finished difference Result 1388 states and 1917 transitions. [2020-07-19 21:37:26,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:37:26,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-07-19 21:37:26,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:26,615 INFO L225 Difference]: With dead ends: 1388 [2020-07-19 21:37:26,615 INFO L226 Difference]: Without dead ends: 921 [2020-07-19 21:37:26,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:37:26,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-07-19 21:37:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 915. [2020-07-19 21:37:26,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-07-19 21:37:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1213 transitions. [2020-07-19 21:37:26,713 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1213 transitions. Word has length 124 [2020-07-19 21:37:26,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:26,715 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1213 transitions. [2020-07-19 21:37:26,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:37:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1213 transitions. [2020-07-19 21:37:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 21:37:26,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:26,726 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:26,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 21:37:26,940 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:26,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1081125021, now seen corresponding path program 1 times [2020-07-19 21:37:26,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:26,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72811795] [2020-07-19 21:37:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 [2020-07-19 21:37:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:37:27,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72811795] [2020-07-19 21:37:27,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271588142] [2020-07-19 21:37:27,179 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:27,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:37:27,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 21:37:27,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:27,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:37:27,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822693987] [2020-07-19 21:37:27,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:37:27,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:27,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:37:27,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:37:27,460 INFO L87 Difference]: Start difference. First operand 915 states and 1213 transitions. Second operand 11 states. [2020-07-19 21:37:30,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:30,373 INFO L93 Difference]: Finished difference Result 2013 states and 2851 transitions. [2020-07-19 21:37:30,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:37:30,373 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2020-07-19 21:37:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:30,381 INFO L225 Difference]: With dead ends: 2013 [2020-07-19 21:37:30,382 INFO L226 Difference]: Without dead ends: 1104 [2020-07-19 21:37:30,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-07-19 21:37:30,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2020-07-19 21:37:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 920. [2020-07-19 21:37:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2020-07-19 21:37:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1122 transitions. [2020-07-19 21:37:30,428 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1122 transitions. Word has length 153 [2020-07-19 21:37:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:30,428 INFO L479 AbstractCegarLoop]: Abstraction has 920 states and 1122 transitions. [2020-07-19 21:37:30,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:37:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1122 transitions. [2020-07-19 21:37:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-19 21:37:30,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:30,433 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:37:30,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:30,636 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:30,637 INFO L82 PathProgramCache]: Analyzing trace with hash 630016451, now seen corresponding path program 1 times [2020-07-19 21:37:30,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:30,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372019086] [2020-07-19 21:37:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 [2020-07-19 21:37:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:37:30,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372019086] [2020-07-19 21:37:30,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606346107] [2020-07-19 21:37:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:31,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:37:31,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:31,112 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:37:31,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:37:31,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-19 21:37:31,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747601199] [2020-07-19 21:37:31,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:37:31,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:31,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:37:31,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:37:31,115 INFO L87 Difference]: Start difference. First operand 920 states and 1122 transitions. Second operand 7 states. [2020-07-19 21:37:33,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:33,525 INFO L93 Difference]: Finished difference Result 3930 states and 4898 transitions. [2020-07-19 21:37:33,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:37:33,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-07-19 21:37:33,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:33,543 INFO L225 Difference]: With dead ends: 3930 [2020-07-19 21:37:33,543 INFO L226 Difference]: Without dead ends: 2713 [2020-07-19 21:37:33,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:37:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2020-07-19 21:37:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2705. [2020-07-19 21:37:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2705 states. [2020-07-19 21:37:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3212 transitions. [2020-07-19 21:37:33,637 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3212 transitions. Word has length 158 [2020-07-19 21:37:33,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:33,639 INFO L479 AbstractCegarLoop]: Abstraction has 2705 states and 3212 transitions. [2020-07-19 21:37:33,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:37:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3212 transitions. [2020-07-19 21:37:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-19 21:37:33,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:37:33,648 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:37:33,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:33,861 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:37:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:37:33,861 INFO L82 PathProgramCache]: Analyzing trace with hash 419487597, now seen corresponding path program 1 times [2020-07-19 21:37:33,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:37:33,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874426970] [2020-07-19 21:37:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 [2020-07-19 21:37:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 65 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 21:37:34,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874426970] [2020-07-19 21:37:34,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518769733] [2020-07-19 21:37:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5e9b4f50 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:37:34,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:37:34,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:37:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-19 21:37:34,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:37:34,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-19 21:37:34,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136117011] [2020-07-19 21:37:34,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:37:34,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:37:34,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:37:34,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:37:34,252 INFO L87 Difference]: Start difference. First operand 2705 states and 3212 transitions. Second operand 3 states. [2020-07-19 21:37:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:37:34,992 INFO L93 Difference]: Finished difference Result 4782 states and 5692 transitions. [2020-07-19 21:37:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:37:34,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-07-19 21:37:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:37:34,993 INFO L225 Difference]: With dead ends: 4782 [2020-07-19 21:37:34,993 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:37:35,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:37:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:37:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:37:35,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:37:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:37:35,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-19 21:37:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:37:35,011 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:37:35,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:37:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:37:35,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:37:35,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:37:35,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:37:36,047 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 41 [2020-07-19 21:37:36,248 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2020-07-19 21:37:36,399 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2020-07-19 21:37:36,404 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:36,405 INFO L264 CegarLoopResult]: 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)|)) [2020-07-19 21:37:36,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:36,405 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:37:36,406 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:37:36,407 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,408 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:37:36,409 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:37:36,410 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,411 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:37:36,412 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,413 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:37:36,414 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:37:36,415 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:37:36,416 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:37:36,417 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,418 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:37:36,419 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:37:36,420 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,421 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:37:36,422 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:37:36,423 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:37:36,424 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:37:36,425 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,426 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a11~0 |old(~a11~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 .cse5 (= ~a25~0 |old(~a25~0)|))) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 (not (<= 10 |old(~a28~0)|)) .cse1) (or (not (= 1 |old(~a19~0)|)) (= 8 |old(~a28~0)|) .cse0 .cse1) (or (= 1 |old(~a11~0)|) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or (not (= 1 |old(~a25~0)|)) (and .cse2 .cse3 .cse4 .cse5 (= 1 ~a25~0)) .cse1)))) [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:37:36,427 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,428 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:37:36,429 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:37:36,430 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:37:36,431 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:37:36,432 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:36,433 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:37:36,434 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:37:36,434 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:37:36,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:37:36,434 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-19 21:37:36,434 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:37:36,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:37:36,434 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0))) [2020-07-19 21:37:36,435 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (and .cse0 (= 1 ~a25~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (and .cse0 (<= 10 ~a28~0)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))) (and (= 1 ~a19~0) .cse0 (not (= 8 ~a28~0))))) [2020-07-19 21:37:36,435 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:36,435 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:37:36,435 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (and .cse0 (= 1 ~a25~0)) (not (<= |old(~a28~0)| 7)) (and .cse0 (<= ~a28~0 7)) (and .cse0 (<= 10 ~a28~0)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (and .cse0 (not (= 1 ~a11~0))) (and (= 1 ~a19~0) .cse0 (not (= 8 ~a28~0))))) [2020-07-19 21:37:36,435 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:37:36,435 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:37:36,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:37:36 BoogieIcfgContainer [2020-07-19 21:37:36,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:37:36,460 INFO L168 Benchmark]: Toolchain (without parser) took 16633.66 ms. Allocated memory was 136.8 MB in the beginning and 424.7 MB in the end (delta: 287.8 MB). Free memory was 99.0 MB in the beginning and 311.8 MB in the end (delta: -212.8 MB). Peak memory consumption was 258.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,461 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.11 ms. Allocated memory was 136.8 MB in the beginning and 209.7 MB in the end (delta: 72.9 MB). Free memory was 98.6 MB in the beginning and 177.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,463 INFO L168 Benchmark]: Boogie Preprocessor took 128.85 ms. Allocated memory is still 209.7 MB. Free memory was 177.9 MB in the beginning and 173.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,464 INFO L168 Benchmark]: RCFGBuilder took 1353.46 ms. Allocated memory was 209.7 MB in the beginning and 238.6 MB in the end (delta: 28.8 MB). Free memory was 172.7 MB in the beginning and 188.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,465 INFO L168 Benchmark]: TraceAbstraction took 14256.04 ms. Allocated memory was 238.6 MB in the beginning and 424.7 MB in the end (delta: 186.1 MB). Free memory was 188.9 MB in the beginning and 311.8 MB in the end (delta: -123.0 MB). Peak memory consumption was 246.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:37:36,469 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 889.11 ms. Allocated memory was 136.8 MB in the beginning and 209.7 MB in the end (delta: 72.9 MB). Free memory was 98.6 MB in the beginning and 177.9 MB in the end (delta: -79.3 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.85 ms. Allocated memory is still 209.7 MB. Free memory was 177.9 MB in the beginning and 173.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1353.46 ms. Allocated memory was 209.7 MB in the beginning and 238.6 MB in the end (delta: 28.8 MB). Free memory was 172.7 MB in the beginning and 188.9 MB in the end (delta: -16.1 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14256.04 ms. Allocated memory was 238.6 MB in the beginning and 424.7 MB in the end (delta: 186.1 MB). Free memory was 188.9 MB in the beginning and 311.8 MB in the end (delta: -123.0 MB). Peak memory consumption was 246.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == \old(a19)) || 1 == \old(a25)) || (a17 <= 8 && 1 == a25)) || !(\old(a28) <= 7)) || (a17 <= 8 && a28 <= 7)) || (a17 <= 8 && 10 <= a28)) || !(\old(a17) <= 8)) || !(\old(a11) <= 0)) || (a17 <= 8 && !(1 == a11))) || ((1 == a19 && a17 <= 8) && !(8 == a28)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 440 SDtfs, 3199 SDslu, 232 SDs, 0 SdLazy, 4242 SolverSat, 1159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 696 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2705occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 205 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 106 NumberOfFragments, 354 HoareAnnotationTreeSize, 56 FomulaSimplifications, 4782 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2836 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1325 NumberOfCodeBlocks, 1325 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1316 ConstructedInterpolants, 0 QuantifiedInterpolants, 434772 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1649 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 358/428 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...