/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/Problem01_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:55:32,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:55:32,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:55:33,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 18:55:33,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:55:33,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:55:33,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:55:33,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:55:33,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:55:33,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:55:33,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:55:33,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:55:33,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:55:33,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:55:33,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:55:33,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:55:33,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:55:33,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:55:33,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:55:33,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:55:33,038 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 18:55:33,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:55:33,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:55:33,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:55:33,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:55:33,056 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:55:33,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:55:33,056 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:55:33,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:55:33,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:55:33,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:55:33,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:55:33,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:55:33,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:55:33,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:55:33,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:55:33,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:55:33,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:55:33,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:55:33,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:55:33,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:55:33,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:55:33,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:55:33,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:55:33,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:55:33,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:55:33,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:55:33,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:55:33,364 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:55:33,365 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:55:33,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-11-06 18:55:33,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a69f48f/abf038f3ce7440eb8b14285325500d09/FLAGe95cd29b1 [2019-11-06 18:55:33,989 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:55:33,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-11-06 18:55:34,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a69f48f/abf038f3ce7440eb8b14285325500d09/FLAGe95cd29b1 [2019-11-06 18:55:34,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6a69f48f/abf038f3ce7440eb8b14285325500d09 [2019-11-06 18:55:34,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:55:34,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:55:34,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:34,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:55:34,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:55:34,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:34" (1/1) ... [2019-11-06 18:55:34,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c17596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:34, skipping insertion in model container [2019-11-06 18:55:34,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:55:34" (1/1) ... [2019-11-06 18:55:34,280 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:55:34,348 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:55:34,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:34,879 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:55:35,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:55:35,136 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:55:35,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35 WrapperNode [2019-11-06 18:55:35,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:55:35,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:55:35,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:55:35,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:55:35,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (1/1) ... [2019-11-06 18:55:35,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:55:35,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:55:35,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:55:35,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:55:35,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (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 18:55:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:55:35,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:55:35,343 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:55:35,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:55:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:55:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:55:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:55:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:55:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:55:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:55:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:55:36,655 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:55:36,655 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:55:36,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:36 BoogieIcfgContainer [2019-11-06 18:55:36,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:55:36,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:55:36,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:55:36,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:55:36,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:55:34" (1/3) ... [2019-11-06 18:55:36,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbd6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:36, skipping insertion in model container [2019-11-06 18:55:36,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:55:35" (2/3) ... [2019-11-06 18:55:36,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fbd6fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:55:36, skipping insertion in model container [2019-11-06 18:55:36,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:55:36" (3/3) ... [2019-11-06 18:55:36,675 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label14.c [2019-11-06 18:55:36,689 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:55:36,698 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:55:36,710 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:55:36,751 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:55:36,751 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:55:36,751 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:55:36,751 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:55:36,752 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:55:36,752 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:55:36,752 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:55:36,752 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:55:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 18:55:36,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-06 18:55:36,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:36,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:36,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:36,805 INFO L82 PathProgramCache]: Analyzing trace with hash -2085422569, now seen corresponding path program 1 times [2019-11-06 18:55:36,814 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:36,814 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842761748] [2019-11-06 18:55:36,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:37,486 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 18:55:37,486 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842761748] [2019-11-06 18:55:37,487 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:37,488 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:55:37,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100778770] [2019-11-06 18:55:37,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:55:37,496 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:37,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:55:37,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:55:37,513 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-11-06 18:55:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:39,540 INFO L93 Difference]: Finished difference Result 723 states and 1255 transitions. [2019-11-06 18:55:39,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:55:39,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2019-11-06 18:55:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:39,560 INFO L225 Difference]: With dead ends: 723 [2019-11-06 18:55:39,560 INFO L226 Difference]: Without dead ends: 423 [2019-11-06 18:55:39,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:55:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-11-06 18:55:39,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2019-11-06 18:55:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-11-06 18:55:39,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 584 transitions. [2019-11-06 18:55:39,652 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 584 transitions. Word has length 137 [2019-11-06 18:55:39,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:39,653 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 584 transitions. [2019-11-06 18:55:39,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:55:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 584 transitions. [2019-11-06 18:55:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-06 18:55:39,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:39,660 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:39,661 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:39,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:39,661 INFO L82 PathProgramCache]: Analyzing trace with hash -168887712, now seen corresponding path program 1 times [2019-11-06 18:55:39,662 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:39,662 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752354636] [2019-11-06 18:55:39,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:39,971 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752354636] [2019-11-06 18:55:39,971 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:55:39,972 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:55:39,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203198859] [2019-11-06 18:55:39,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:55:39,979 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:39,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:55:39,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:55:39,980 INFO L87 Difference]: Start difference. First operand 417 states and 584 transitions. Second operand 9 states. [2019-11-06 18:55:41,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:41,522 INFO L93 Difference]: Finished difference Result 1269 states and 1843 transitions. [2019-11-06 18:55:41,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 18:55:41,522 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2019-11-06 18:55:41,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:41,530 INFO L225 Difference]: With dead ends: 1269 [2019-11-06 18:55:41,530 INFO L226 Difference]: Without dead ends: 858 [2019-11-06 18:55:41,533 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:55:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2019-11-06 18:55:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 834. [2019-11-06 18:55:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2019-11-06 18:55:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1168 transitions. [2019-11-06 18:55:41,596 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1168 transitions. Word has length 147 [2019-11-06 18:55:41,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:41,597 INFO L462 AbstractCegarLoop]: Abstraction has 834 states and 1168 transitions. [2019-11-06 18:55:41,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:55:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1168 transitions. [2019-11-06 18:55:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-06 18:55:41,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:41,602 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:41,603 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:41,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:41,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1733990238, now seen corresponding path program 1 times [2019-11-06 18:55:41,603 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:41,604 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087248282] [2019-11-06 18:55:41,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:41,993 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087248282] [2019-11-06 18:55:41,993 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151234848] [2019-11-06 18:55:41,993 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 18:55:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:42,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:42,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:42,294 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:42,294 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:55:42,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434776352] [2019-11-06 18:55:42,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:42,305 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:42,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:42,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:55:42,306 INFO L87 Difference]: Start difference. First operand 834 states and 1168 transitions. Second operand 3 states. [2019-11-06 18:55:42,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:42,843 INFO L93 Difference]: Finished difference Result 2210 states and 3124 transitions. [2019-11-06 18:55:42,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:42,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-11-06 18:55:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:42,853 INFO L225 Difference]: With dead ends: 2210 [2019-11-06 18:55:42,853 INFO L226 Difference]: Without dead ends: 1382 [2019-11-06 18:55:42,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 1 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 18:55:42,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2019-11-06 18:55:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2019-11-06 18:55:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2019-11-06 18:55:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1743 transitions. [2019-11-06 18:55:42,904 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1743 transitions. Word has length 148 [2019-11-06 18:55:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:42,906 INFO L462 AbstractCegarLoop]: Abstraction has 1380 states and 1743 transitions. [2019-11-06 18:55:42,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1743 transitions. [2019-11-06 18:55:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-06 18:55:42,913 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:42,913 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:55:43,119 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:43,119 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:43,120 INFO L82 PathProgramCache]: Analyzing trace with hash -666178053, now seen corresponding path program 1 times [2019-11-06 18:55:43,120 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:43,121 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438492792] [2019-11-06 18:55:43,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:55:43,331 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438492792] [2019-11-06 18:55:43,332 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617572184] [2019-11-06 18:55:43,332 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 18:55:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:43,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:43,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:43,566 INFO L218 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-06 18:55:43,567 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2019-11-06 18:55:43,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576143256] [2019-11-06 18:55:43,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 18:55:43,568 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:43,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 18:55:43,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 18:55:43,569 INFO L87 Difference]: Start difference. First operand 1380 states and 1743 transitions. Second operand 11 states. [2019-11-06 18:55:47,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:47,903 INFO L93 Difference]: Finished difference Result 4693 states and 6626 transitions. [2019-11-06 18:55:47,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-06 18:55:47,903 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2019-11-06 18:55:47,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:47,928 INFO L225 Difference]: With dead ends: 4693 [2019-11-06 18:55:47,928 INFO L226 Difference]: Without dead ends: 3319 [2019-11-06 18:55:47,933 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2019-11-06 18:55:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2019-11-06 18:55:48,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 3128. [2019-11-06 18:55:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3128 states. [2019-11-06 18:55:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4261 transitions. [2019-11-06 18:55:48,066 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4261 transitions. Word has length 168 [2019-11-06 18:55:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:48,066 INFO L462 AbstractCegarLoop]: Abstraction has 3128 states and 4261 transitions. [2019-11-06 18:55:48,067 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 18:55:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4261 transitions. [2019-11-06 18:55:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-06 18:55:48,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:48,085 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:55:48,288 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:48,289 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:48,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:48,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1301808515, now seen corresponding path program 1 times [2019-11-06 18:55:48,290 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:48,291 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671324098] [2019-11-06 18:55:48,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-06 18:55:48,613 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671324098] [2019-11-06 18:55:48,614 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818282479] [2019-11-06 18:55:48,614 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 18:55:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:48,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:48,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-06 18:55:48,898 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:48,898 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-11-06 18:55:48,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184998767] [2019-11-06 18:55:48,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:48,899 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:48,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:48,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:55:48,900 INFO L87 Difference]: Start difference. First operand 3128 states and 4261 transitions. Second operand 3 states. [2019-11-06 18:55:49,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:49,503 INFO L93 Difference]: Finished difference Result 8218 states and 11493 transitions. [2019-11-06 18:55:49,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:49,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-06 18:55:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:49,536 INFO L225 Difference]: With dead ends: 8218 [2019-11-06 18:55:49,537 INFO L226 Difference]: Without dead ends: 5100 [2019-11-06 18:55:49,550 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-06 18:55:49,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5100 states. [2019-11-06 18:55:49,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5100 to 4957. [2019-11-06 18:55:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4957 states. [2019-11-06 18:55:49,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 6777 transitions. [2019-11-06 18:55:49,742 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 6777 transitions. Word has length 172 [2019-11-06 18:55:49,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:49,743 INFO L462 AbstractCegarLoop]: Abstraction has 4957 states and 6777 transitions. [2019-11-06 18:55:49,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 6777 transitions. [2019-11-06 18:55:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-06 18:55:49,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:55:49,768 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, 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] [2019-11-06 18:55:49,972 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:49,973 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:55:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:55:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1945054320, now seen corresponding path program 1 times [2019-11-06 18:55:49,973 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:55:49,974 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207051448] [2019-11-06 18:55:49,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:55:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:50,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207051448] [2019-11-06 18:55:50,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859578507] [2019-11-06 18:55:50,162 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 18:55:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:55:50,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:55:50,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:55:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:55:50,431 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:55:50,431 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:55:50,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664178877] [2019-11-06 18:55:50,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:55:50,433 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:55:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:55:50,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:55:50,434 INFO L87 Difference]: Start difference. First operand 4957 states and 6777 transitions. Second operand 3 states. [2019-11-06 18:55:51,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:55:51,028 INFO L93 Difference]: Finished difference Result 8669 states and 11904 transitions. [2019-11-06 18:55:51,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:55:51,028 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-11-06 18:55:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:55:51,029 INFO L225 Difference]: With dead ends: 8669 [2019-11-06 18:55:51,029 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:55:51,055 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:55:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:55:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:55:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:55:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:55:51,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2019-11-06 18:55:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:55:51,057 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:55:51,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:55:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:55:51,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:55:51,263 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:55:51,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:55:52,248 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 42 [2019-11-06 18:55:52,464 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,465 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 18:55:52,466 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 18:55:52,467 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 18:55:52,467 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 18:55:52,467 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 18:55:52,467 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,468 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,469 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,469 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,470 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,470 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 18:55:52,470 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 18:55:52,471 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 18:55:52,472 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 18:55:52,473 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,473 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 18:55:52,474 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,475 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 18:55:52,476 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 18:55:52,477 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 18:55:52,477 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 18:55:52,477 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 18:55:52,477 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 18:55:52,477 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 18:55:52,479 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 18:55:52,480 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,481 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,481 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,482 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 18:55:52,485 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 18:55:52,485 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 18:55:52,485 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 18:55:52,486 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 18:55:52,487 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,488 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 18:55:52,489 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (<= 5 |old(~a16~0)|))) (.cse4 (not (<= |old(~a8~0)| 13))) (.cse0 (= 1 |old(~a7~0)|)) (.cse2 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|))) (.cse3 (not (= 4 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (<= |old(~a20~0)| 0))) (or .cse2 .cse1 (not (<= |old(~a16~0)| 5))) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2) (or .cse0 .cse2 .cse3))) [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,490 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 18:55:52,491 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 18:55:52,492 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,493 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 18:55:52,494 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,495 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 18:55:52,496 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 18:55:52,497 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 18:55:52,497 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 18:55:52,497 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 18:55:52,497 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:55:52,497 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 5 ~a16~0) (<= ~a7~0 0)) [2019-11-06 18:55:52,497 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:55:52,497 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:55:52,498 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0))) [2019-11-06 18:55:52,498 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:52,498 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse2 (not (= ~a7~0 1))) (.cse1 (<= 5 ~a16~0)) (.cse3 (= ~a16~0 4))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 5) .cse1) (not (<= |old(~a7~0)| 0)) (and .cse3 (<= ~a20~0 0)))) [2019-11-06 18:55:52,498 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 18:55:52,498 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 18:55:52,498 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a8~0 13)) (.cse2 (not (= ~a7~0 1))) (.cse1 (<= 5 ~a16~0)) (.cse3 (= ~a16~0 4))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and .cse2 .cse3) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 5) .cse1) (not (<= |old(~a7~0)| 0)) (and .cse3 (<= ~a20~0 0)))) [2019-11-06 18:55:52,498 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:55:52,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:55:52 BoogieIcfgContainer [2019-11-06 18:55:52,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:55:52,546 INFO L168 Benchmark]: Toolchain (without parser) took 18283.38 ms. Allocated memory was 134.2 MB in the beginning and 532.7 MB in the end (delta: 398.5 MB). Free memory was 97.7 MB in the beginning and 411.1 MB in the end (delta: -313.3 MB). Peak memory consumption was 345.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,548 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 134.2 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.34 ms. Allocated memory was 134.2 MB in the beginning and 202.9 MB in the end (delta: 68.7 MB). Free memory was 97.5 MB in the beginning and 169.6 MB in the end (delta: -72.0 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,551 INFO L168 Benchmark]: Boogie Preprocessor took 109.26 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,552 INFO L168 Benchmark]: RCFGBuilder took 1411.17 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 164.8 MB in the beginning and 179.0 MB in the end (delta: -14.2 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,554 INFO L168 Benchmark]: TraceAbstraction took 15883.17 ms. Allocated memory was 227.5 MB in the beginning and 532.7 MB in the end (delta: 305.1 MB). Free memory was 179.0 MB in the beginning and 411.1 MB in the end (delta: -232.0 MB). Peak memory consumption was 333.1 MB. Max. memory is 7.1 GB. [2019-11-06 18:55:52,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 134.2 MB. Free memory was 117.4 MB in the beginning and 117.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 874.34 ms. Allocated memory was 134.2 MB in the beginning and 202.9 MB in the end (delta: 68.7 MB). Free memory was 97.5 MB in the beginning and 169.6 MB in the end (delta: -72.0 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.26 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 164.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1411.17 ms. Allocated memory was 202.9 MB in the beginning and 227.5 MB in the end (delta: 24.6 MB). Free memory was 164.8 MB in the beginning and 179.0 MB in the end (delta: -14.2 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15883.17 ms. Allocated memory was 227.5 MB in the beginning and 532.7 MB in the end (delta: 305.1 MB). Free memory was 179.0 MB in the beginning and 411.1 MB in the end (delta: -232.0 MB). Peak memory consumption was 333.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((a8 <= 13 && 5 <= a16) || (!(a7 == 1) && 5 <= a16)) || (a8 <= 13 && a16 == 4)) || (!(a7 == 1) && a16 == 4)) || !(5 <= \old(a16))) || !(\old(a16) <= 5)) || (a16 <= 5 && 5 <= a16)) || !(\old(a7) <= 0)) || (a16 == 4 && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 15.7s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, HoareTripleCheckerStatistics: 566 SDtfs, 2051 SDslu, 208 SDs, 0 SdLazy, 5823 SolverSat, 1016 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 683 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4957occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 366 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 177 PreInvPairs, 299 NumberOfFragments, 382 HoareAnnotationTreeSize, 177 FomulaSimplifications, 19030 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2261 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1602 NumberOfCodeBlocks, 1602 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1592 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004605 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1707 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 228/245 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...