/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:41,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:41,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:41,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:41,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:41,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:41,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:41,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:41,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:41,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:41,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:41,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:41,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:41,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:41,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:41,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:41,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:41,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:41,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:41,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:41,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:41,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:41,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:41,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:41,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:41,471 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:41,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:41,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:41,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:41,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:41,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:41,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:41,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:41,473 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:41,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:41,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:41,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:41,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:41,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:41,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:41,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:41,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:41,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:41,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:41,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:41,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:41,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:41,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:41,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:41,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:41,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:41,991 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:41,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-12-22 06:57:42,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af01f730/4edf73158e1e435e9f040e97aa4a8076/FLAG58a009d12 [2020-12-22 06:57:42,756 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:42,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c [2020-12-22 06:57:42,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af01f730/4edf73158e1e435e9f040e97aa4a8076/FLAG58a009d12 [2020-12-22 06:57:43,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7af01f730/4edf73158e1e435e9f040e97aa4a8076 [2020-12-22 06:57:43,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:43,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:43,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:43,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:43,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:43,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e76ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43, skipping insertion in model container [2020-12-22 06:57:43,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:43,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:43,407 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c[2740,2753] [2020-12-22 06:57:43,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:43,593 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:43,627 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product45.cil.c[2740,2753] [2020-12-22 06:57:43,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:43,733 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:43,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43 WrapperNode [2020-12-22 06:57:43,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:43,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:43,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:43,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:43,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:43,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:43,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:43,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:43,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (1/1) ... [2020-12-22 06:57:43,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:43,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:43,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:43,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:43,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (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 [2020-12-22 06:57:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:45,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:45,207 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2020-12-22 06:57:45,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:45 BoogieIcfgContainer [2020-12-22 06:57:45,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:45,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:45,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:45,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:45,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:43" (1/3) ... [2020-12-22 06:57:45,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67938271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:45, skipping insertion in model container [2020-12-22 06:57:45,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:43" (2/3) ... [2020-12-22 06:57:45,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67938271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:45, skipping insertion in model container [2020-12-22 06:57:45,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:45" (3/3) ... [2020-12-22 06:57:45,220 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-12-22 06:57:45,227 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:45,233 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:45,252 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:45,283 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:45,283 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:45,283 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:45,283 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:45,283 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:45,284 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:45,284 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:45,284 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-12-22 06:57:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:45,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:45,313 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,319 INFO L82 PathProgramCache]: Analyzing trace with hash -2038923744, now seen corresponding path program 1 times [2020-12-22 06:57:45,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592693183] [2020-12-22 06:57:45,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592693183] [2020-12-22 06:57:45,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:45,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502988943] [2020-12-22 06:57:45,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:45,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:45,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:45,699 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-12-22 06:57:45,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,739 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2020-12-22 06:57:45,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:45,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:45,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,754 INFO L225 Difference]: With dead ends: 269 [2020-12-22 06:57:45,754 INFO L226 Difference]: Without dead ends: 134 [2020-12-22 06:57:45,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-12-22 06:57:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-12-22 06:57:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-22 06:57:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2020-12-22 06:57:45,841 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2020-12-22 06:57:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,841 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2020-12-22 06:57:45,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2020-12-22 06:57:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:45,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,843 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] [2020-12-22 06:57:45,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:45,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1183223248, now seen corresponding path program 1 times [2020-12-22 06:57:45,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225502600] [2020-12-22 06:57:45,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225502600] [2020-12-22 06:57:45,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:45,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430748598] [2020-12-22 06:57:45,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:45,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:45,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,973 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2020-12-22 06:57:45,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,993 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2020-12-22 06:57:45,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:45,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,995 INFO L225 Difference]: With dead ends: 134 [2020-12-22 06:57:45,995 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:57:45,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:57:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:57:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:57:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-12-22 06:57:46,006 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2020-12-22 06:57:46,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,006 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-12-22 06:57:46,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-12-22 06:57:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:46,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,008 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] [2020-12-22 06:57:46,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:46,008 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,010 INFO L82 PathProgramCache]: Analyzing trace with hash 401446808, now seen corresponding path program 1 times [2020-12-22 06:57:46,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675483957] [2020-12-22 06:57:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675483957] [2020-12-22 06:57:46,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:46,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658897842] [2020-12-22 06:57:46,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:46,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:46,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:46,224 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 6 states. [2020-12-22 06:57:46,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,407 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2020-12-22 06:57:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:46,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-22 06:57:46,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,409 INFO L225 Difference]: With dead ends: 103 [2020-12-22 06:57:46,409 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:57:46,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:57:46,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:57:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:57:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2020-12-22 06:57:46,418 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2020-12-22 06:57:46,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,418 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2020-12-22 06:57:46,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2020-12-22 06:57:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:46,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,420 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] [2020-12-22 06:57:46,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:46,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1016692102, now seen corresponding path program 1 times [2020-12-22 06:57:46,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900537343] [2020-12-22 06:57:46,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900537343] [2020-12-22 06:57:46,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:46,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126911246] [2020-12-22 06:57:46,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:46,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:46,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:46,492 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2020-12-22 06:57:46,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,529 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2020-12-22 06:57:46,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:46,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:46,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,531 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:57:46,531 INFO L226 Difference]: Without dead ends: 79 [2020-12-22 06:57:46,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:46,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-22 06:57:46,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-12-22 06:57:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:57:46,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-12-22 06:57:46,545 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2020-12-22 06:57:46,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,545 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-12-22 06:57:46,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-12-22 06:57:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:46,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,550 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] [2020-12-22 06:57:46,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:46,551 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,551 INFO L82 PathProgramCache]: Analyzing trace with hash -836140634, now seen corresponding path program 1 times [2020-12-22 06:57:46,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140269595] [2020-12-22 06:57:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140269595] [2020-12-22 06:57:46,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:46,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122643216] [2020-12-22 06:57:46,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:46,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:46,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:46,642 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-12-22 06:57:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,802 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2020-12-22 06:57:46,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:46,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,811 INFO L225 Difference]: With dead ends: 260 [2020-12-22 06:57:46,811 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 06:57:46,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:46,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 06:57:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2020-12-22 06:57:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-22 06:57:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2020-12-22 06:57:46,852 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2020-12-22 06:57:46,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,855 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2020-12-22 06:57:46,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2020-12-22 06:57:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:46,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,857 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] [2020-12-22 06:57:46,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:46,859 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,859 INFO L82 PathProgramCache]: Analyzing trace with hash 2819926, now seen corresponding path program 1 times [2020-12-22 06:57:46,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364424688] [2020-12-22 06:57:46,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364424688] [2020-12-22 06:57:46,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:46,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708831308] [2020-12-22 06:57:46,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:46,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:46,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:46,937 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2020-12-22 06:57:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,040 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2020-12-22 06:57:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:47,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-22 06:57:47,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,042 INFO L225 Difference]: With dead ends: 194 [2020-12-22 06:57:47,042 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 06:57:47,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 06:57:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2020-12-22 06:57:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-22 06:57:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2020-12-22 06:57:47,062 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2020-12-22 06:57:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,064 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2020-12-22 06:57:47,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2020-12-22 06:57:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:47,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,067 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] [2020-12-22 06:57:47,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:47,067 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1008297324, now seen corresponding path program 1 times [2020-12-22 06:57:47,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552608183] [2020-12-22 06:57:47,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552608183] [2020-12-22 06:57:47,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:47,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:47,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892365969] [2020-12-22 06:57:47,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:47,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:47,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:47,164 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2020-12-22 06:57:47,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,206 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2020-12-22 06:57:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:47,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-12-22 06:57:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,208 INFO L225 Difference]: With dead ends: 189 [2020-12-22 06:57:47,208 INFO L226 Difference]: Without dead ends: 114 [2020-12-22 06:57:47,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:47,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-22 06:57:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2020-12-22 06:57:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-22 06:57:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2020-12-22 06:57:47,220 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2020-12-22 06:57:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,221 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2020-12-22 06:57:47,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2020-12-22 06:57:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:47,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,222 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] [2020-12-22 06:57:47,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:47,223 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,223 INFO L82 PathProgramCache]: Analyzing trace with hash -2029365678, now seen corresponding path program 1 times [2020-12-22 06:57:47,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566545842] [2020-12-22 06:57:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566545842] [2020-12-22 06:57:47,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:47,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:47,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778822982] [2020-12-22 06:57:47,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:47,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:47,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:47,283 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2020-12-22 06:57:47,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,308 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2020-12-22 06:57:47,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:47,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-22 06:57:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,309 INFO L225 Difference]: With dead ends: 193 [2020-12-22 06:57:47,310 INFO L226 Difference]: Without dead ends: 114 [2020-12-22 06:57:47,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:47,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-12-22 06:57:47,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-12-22 06:57:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-22 06:57:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2020-12-22 06:57:47,323 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2020-12-22 06:57:47,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,323 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2020-12-22 06:57:47,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2020-12-22 06:57:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 06:57:47,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,325 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] [2020-12-22 06:57:47,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:47,325 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,326 INFO L82 PathProgramCache]: Analyzing trace with hash -493567726, now seen corresponding path program 1 times [2020-12-22 06:57:47,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198222475] [2020-12-22 06:57:47,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198222475] [2020-12-22 06:57:47,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:47,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:47,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694096657] [2020-12-22 06:57:47,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:47,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:47,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:47,429 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 7 states. [2020-12-22 06:57:47,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,809 INFO L93 Difference]: Finished difference Result 533 states and 713 transitions. [2020-12-22 06:57:47,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:47,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-22 06:57:47,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,813 INFO L225 Difference]: With dead ends: 533 [2020-12-22 06:57:47,813 INFO L226 Difference]: Without dead ends: 454 [2020-12-22 06:57:47,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2020-12-22 06:57:47,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 192. [2020-12-22 06:57:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-22 06:57:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 249 transitions. [2020-12-22 06:57:47,856 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 249 transitions. Word has length 38 [2020-12-22 06:57:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,856 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 249 transitions. [2020-12-22 06:57:47,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2020-12-22 06:57:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 06:57:47,858 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,858 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 06:57:47,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:47,859 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1880270052, now seen corresponding path program 1 times [2020-12-22 06:57:47,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990702804] [2020-12-22 06:57:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990702804] [2020-12-22 06:57:47,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545009536] [2020-12-22 06:57:47,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:48,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:48,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:48,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:48,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:57:48,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837370543] [2020-12-22 06:57:48,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:57:48,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:48,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:57:48,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:48,314 INFO L87 Difference]: Start difference. First operand 192 states and 249 transitions. Second operand 10 states. [2020-12-22 06:57:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,637 INFO L93 Difference]: Finished difference Result 435 states and 582 transitions. [2020-12-22 06:57:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:48,638 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-12-22 06:57:48,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,638 INFO L225 Difference]: With dead ends: 435 [2020-12-22 06:57:48,638 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:48,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:48,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-12-22 06:57:48,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,641 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:48,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:57:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:48,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:48,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:48,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:49,693 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-22 06:57:49,887 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-12-22 06:57:50,101 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:57:50,408 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2020-12-22 06:57:50,619 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-12-22 06:57:50,783 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-12-22 06:57:50,952 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-12-22 06:57:51,098 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:57:51,201 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-22 06:57:51,346 INFO L185 CegarLoopUtils]: At program point L861(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:51,347 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,347 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,347 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,347 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,347 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L765(lines 750 768) the Hoare annotation is: false [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L765-1(lines 750 768) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L765-2(lines 750 768) the Hoare annotation is: false [2020-12-22 06:57:51,348 INFO L185 CegarLoopUtils]: At program point L765-3(lines 750 768) the Hoare annotation is: false [2020-12-22 06:57:51,349 INFO L185 CegarLoopUtils]: At program point L765-4(lines 750 768) the Hoare annotation is: false [2020-12-22 06:57:51,349 INFO L185 CegarLoopUtils]: At program point L765-5(lines 750 768) the Hoare annotation is: false [2020-12-22 06:57:51,349 INFO L185 CegarLoopUtils]: At program point L535(lines 582 588) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:51,349 INFO L185 CegarLoopUtils]: At program point L535-1(lines 582 588) the Hoare annotation is: false [2020-12-22 06:57:51,349 INFO L185 CegarLoopUtils]: At program point L535-2(lines 582 588) the Hoare annotation is: false [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701(lines 694 704) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701-1(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701-2(lines 694 704) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701-3(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701-4(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,350 INFO L185 CegarLoopUtils]: At program point L701-5(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,351 INFO L185 CegarLoopUtils]: At program point L701-6(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,351 INFO L185 CegarLoopUtils]: At program point L701-7(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,351 INFO L185 CegarLoopUtils]: At program point L701-8(lines 694 704) the Hoare annotation is: false [2020-12-22 06:57:51,351 INFO L192 CegarLoopUtils]: At program point L966(lines 947 969) the Hoare annotation is: true [2020-12-22 06:57:51,351 INFO L185 CegarLoopUtils]: At program point L933(lines 929 935) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,351 INFO L189 CegarLoopUtils]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-12-22 06:57:51,352 INFO L185 CegarLoopUtils]: At program point L801-1(lines 801 807) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,352 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,352 INFO L185 CegarLoopUtils]: At program point L869(lines 864 872) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,352 INFO L189 CegarLoopUtils]: For program point L640(lines 640 657) no Hoare annotation was computed. [2020-12-22 06:57:51,352 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 657) no Hoare annotation was computed. [2020-12-22 06:57:51,352 INFO L189 CegarLoopUtils]: For program point L640-2(lines 640 657) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L147-1(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L676(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L676-2(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L676-4(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L676-6(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,353 INFO L189 CegarLoopUtils]: For program point L676-8(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,354 INFO L189 CegarLoopUtils]: For program point L676-10(lines 676 682) no Hoare annotation was computed. [2020-12-22 06:57:51,354 INFO L185 CegarLoopUtils]: At program point L710(lines 705 713) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse5 .cse6))) [2020-12-22 06:57:51,354 INFO L185 CegarLoopUtils]: At program point L710-1(lines 705 713) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:51,354 INFO L189 CegarLoopUtils]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-12-22 06:57:51,354 INFO L185 CegarLoopUtils]: At program point L710-2(lines 705 713) the Hoare annotation is: false [2020-12-22 06:57:51,355 INFO L189 CegarLoopUtils]: For program point L644-1(lines 644 652) no Hoare annotation was computed. [2020-12-22 06:57:51,355 INFO L185 CegarLoopUtils]: At program point L710-3(lines 705 713) the Hoare annotation is: false [2020-12-22 06:57:51,355 INFO L185 CegarLoopUtils]: At program point L710-4(lines 705 713) the Hoare annotation is: false [2020-12-22 06:57:51,355 INFO L189 CegarLoopUtils]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-12-22 06:57:51,355 INFO L185 CegarLoopUtils]: At program point L710-5(lines 705 713) the Hoare annotation is: false [2020-12-22 06:57:51,356 INFO L189 CegarLoopUtils]: For program point L546(lines 546 563) no Hoare annotation was computed. [2020-12-22 06:57:51,356 INFO L185 CegarLoopUtils]: At program point L546-1(lines 1 969) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3 2) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3) .cse3 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:51,356 INFO L189 CegarLoopUtils]: For program point L546-2(lines 546 563) no Hoare annotation was computed. [2020-12-22 06:57:51,356 INFO L185 CegarLoopUtils]: At program point L546-3(lines 1 969) the Hoare annotation is: false [2020-12-22 06:57:51,356 INFO L189 CegarLoopUtils]: For program point L546-4(lines 546 563) no Hoare annotation was computed. [2020-12-22 06:57:51,357 INFO L185 CegarLoopUtils]: At program point L546-5(lines 1 969) the Hoare annotation is: false [2020-12-22 06:57:51,357 INFO L189 CegarLoopUtils]: For program point L811(lines 811 822) no Hoare annotation was computed. [2020-12-22 06:57:51,357 INFO L189 CegarLoopUtils]: For program point L614(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,357 INFO L189 CegarLoopUtils]: For program point L614-1(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,357 INFO L189 CegarLoopUtils]: For program point L614-2(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,358 INFO L189 CegarLoopUtils]: For program point L614-3(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,358 INFO L189 CegarLoopUtils]: For program point L614-4(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,358 INFO L189 CegarLoopUtils]: For program point L614-5(lines 614 631) no Hoare annotation was computed. [2020-12-22 06:57:51,358 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,358 INFO L185 CegarLoopUtils]: At program point L582(lines 578 600) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:51,358 INFO L185 CegarLoopUtils]: At program point L582-1(lines 578 600) the Hoare annotation is: false [2020-12-22 06:57:51,359 INFO L185 CegarLoopUtils]: At program point L582-2(lines 578 600) the Hoare annotation is: false [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L550(lines 550 560) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L550-2(lines 550 560) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L550-4(lines 550 560) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,359 INFO L189 CegarLoopUtils]: For program point L782(lines 781 826) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L551-2(lines 551 557) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L551-4(lines 551 557) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L618(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L618-1(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L618-2(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,360 INFO L189 CegarLoopUtils]: For program point L618-3(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L189 CegarLoopUtils]: For program point L618-4(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L189 CegarLoopUtils]: For program point L618-5(lines 618 626) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L189 CegarLoopUtils]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L189 CegarLoopUtils]: For program point L817-2(lines 811 822) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,361 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,361 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,362 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L885-2(lines 885 899) the Hoare annotation is: false [2020-12-22 06:57:51,363 INFO L189 CegarLoopUtils]: For program point L886(line 886) no Hoare annotation was computed. [2020-12-22 06:57:51,363 INFO L185 CegarLoopUtils]: At program point L589(lines 589 595) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,364 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: false [2020-12-22 06:57:51,364 INFO L185 CegarLoopUtils]: At program point L589-2(lines 589 595) the Hoare annotation is: false [2020-12-22 06:57:51,364 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,364 INFO L185 CegarLoopUtils]: At program point L525(lines 520 527) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,364 INFO L189 CegarLoopUtils]: For program point L889(lines 889 893) no Hoare annotation was computed. [2020-12-22 06:57:51,364 INFO L189 CegarLoopUtils]: For program point L889-1(lines 889 893) no Hoare annotation was computed. [2020-12-22 06:57:51,364 INFO L189 CegarLoopUtils]: For program point L791(lines 791 797) no Hoare annotation was computed. [2020-12-22 06:57:51,365 INFO L185 CegarLoopUtils]: At program point L791-1(lines 791 797) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,365 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,365 INFO L189 CegarLoopUtils]: For program point L957(lines 957 964) no Hoare annotation was computed. [2020-12-22 06:57:51,365 INFO L192 CegarLoopUtils]: At program point L957-1(lines 957 964) the Hoare annotation is: true [2020-12-22 06:57:51,365 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 147) no Hoare annotation was computed. [2020-12-22 06:57:51,365 INFO L189 CegarLoopUtils]: For program point L759(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,365 INFO L189 CegarLoopUtils]: For program point L759-2(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-3(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-5(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-6(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-8(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-9(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-11(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-12(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,366 INFO L189 CegarLoopUtils]: For program point L759-14(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L759-15(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L759-17(lines 759 763) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,367 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,368 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,368 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:51,368 INFO L185 CegarLoopUtils]: At program point L827(lines 780 828) the Hoare annotation is: false [2020-12-22 06:57:51,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:51 BoogieIcfgContainer [2020-12-22 06:57:51,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:51,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:51,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:51,402 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:51,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:45" (3/4) ... [2020-12-22 06:57:51,406 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:51,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:51,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:51,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:51,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:51,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:51,436 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:51,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:51,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:51,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:51,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:51,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,474 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,609 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product45.cil.c-witness.graphml [2020-12-22 06:57:51,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:51,611 INFO L168 Benchmark]: Toolchain (without parser) took 8522.78 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 125.5 MB in the beginning and 152.0 MB in the end (delta: -26.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,612 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:51,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.02 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.89 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 99.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,613 INFO L168 Benchmark]: Boogie Preprocessor took 67.53 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 96.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,613 INFO L168 Benchmark]: RCFGBuilder took 1307.08 ms. Allocated memory is still 151.0 MB. Free memory was 96.5 MB in the beginning and 72.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,614 INFO L168 Benchmark]: TraceAbstraction took 6189.42 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 72.2 MB in the beginning and 164.6 MB in the end (delta: -92.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,614 INFO L168 Benchmark]: Witness Printer took 207.87 ms. Allocated memory is still 218.1 MB. Free memory was 164.1 MB in the beginning and 152.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 641.02 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.5 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 98.89 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 99.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.53 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 96.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1307.08 ms. Allocated memory is still 151.0 MB. Free memory was 96.5 MB in the beginning and 72.7 MB in the end (delta: 23.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6189.42 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 72.2 MB in the beginning and 164.6 MB in the end (delta: -92.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. * Witness Printer took 207.87 ms. Allocated memory is still 218.1 MB. Free memory was 164.1 MB in the beginning and 152.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 147]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((1 <= pumpRunning && tmp == 1) && tmp <= 2) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && 1 < tmp) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1100 SDtfs, 1494 SDslu, 1466 SDs, 0 SdLazy, 256 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 155 NumberOfFragments, 851 HoareAnnotationTreeSize, 61 FomulaSimplifications, 44259 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 2332 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 33569 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...