/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_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:36,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:36,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:36,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:55:36,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:36,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:36,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:36,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:36,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:36,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:36,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:36,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:36,623 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:36,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:36,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:36,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:36,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:36,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:36,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:36,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:36,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:36,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:36,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:36,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:36,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:36,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:36,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:36,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:36,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:36,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:36,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:36,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:36,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:36,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:37,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:37,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:37,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:37,054 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:37,055 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:37,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-12-22 06:55:37,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15270bf6c/032bf686388c4091b55ccb26d7dc0f08/FLAG227749b72 [2020-12-22 06:55:37,814 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:37,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2020-12-22 06:55:37,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15270bf6c/032bf686388c4091b55ccb26d7dc0f08/FLAG227749b72 [2020-12-22 06:55:38,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15270bf6c/032bf686388c4091b55ccb26d7dc0f08 [2020-12-22 06:55:38,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:38,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:38,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:38,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:38,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:38,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ee841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38, skipping insertion in model container [2020-12-22 06:55:38,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:38,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:38,529 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_spec3_product41.cil.c[17654,17667] [2020-12-22 06:55:38,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:38,557 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:38,711 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_spec3_product41.cil.c[17654,17667] [2020-12-22 06:55:38,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:38,777 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:38,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38 WrapperNode [2020-12-22 06:55:38,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:38,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:38,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:38,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:38,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:38,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:38,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:38,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:38,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:38,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:38,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:38,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:38,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (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 06:55:39,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:39,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:40,016 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:40,017 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2020-12-22 06:55:40,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40 BoogieIcfgContainer [2020-12-22 06:55:40,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:40,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:40,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:40,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:40,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:38" (1/3) ... [2020-12-22 06:55:40,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485ec32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:40, skipping insertion in model container [2020-12-22 06:55:40,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38" (2/3) ... [2020-12-22 06:55:40,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485ec32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:40, skipping insertion in model container [2020-12-22 06:55:40,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40" (3/3) ... [2020-12-22 06:55:40,029 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2020-12-22 06:55:40,037 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:40,043 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:40,068 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:40,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:40,116 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:40,117 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:40,117 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:40,119 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:40,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:40,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:40,120 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-12-22 06:55:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:40,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:40,154 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,162 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2020-12-22 06:55:40,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485330544] [2020-12-22 06:55:40,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,499 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 06:55:40,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485330544] [2020-12-22 06:55:40,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:40,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954507370] [2020-12-22 06:55:40,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:40,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:40,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:40,525 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2020-12-22 06:55:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,558 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2020-12-22 06:55:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:40,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,572 INFO L225 Difference]: With dead ends: 180 [2020-12-22 06:55:40,572 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:55:40,576 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 06:55:40,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:55:40,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-12-22 06:55:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-22 06:55:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-12-22 06:55:40,626 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-12-22 06:55:40,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,627 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-12-22 06:55:40,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-12-22 06:55:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:40,628 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,629 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 06:55:40,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:40,629 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2020-12-22 06:55:40,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157281229] [2020-12-22 06:55:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,794 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 06:55:40,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157281229] [2020-12-22 06:55:40,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:40,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450558615] [2020-12-22 06:55:40,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:40,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:40,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:40,798 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-12-22 06:55:40,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,821 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-12-22 06:55:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:40,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,826 INFO L225 Difference]: With dead ends: 89 [2020-12-22 06:55:40,826 INFO L226 Difference]: Without dead ends: 39 [2020-12-22 06:55:40,827 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 06:55:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-22 06:55:40,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-22 06:55:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-22 06:55:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-12-22 06:55:40,833 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-12-22 06:55:40,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,834 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-12-22 06:55:40,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-12-22 06:55:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:40,835 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,835 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] [2020-12-22 06:55:40,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:40,836 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2020-12-22 06:55:40,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247577279] [2020-12-22 06:55:40,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,968 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 06:55:40,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247577279] [2020-12-22 06:55:40,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:40,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081428678] [2020-12-22 06:55:40,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:40,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:40,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:40,978 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-12-22 06:55:40,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,987 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-12-22 06:55:40,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:40,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,989 INFO L225 Difference]: With dead ends: 72 [2020-12-22 06:55:40,989 INFO L226 Difference]: Without dead ends: 39 [2020-12-22 06:55:40,990 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 06:55:40,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-22 06:55:40,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-22 06:55:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-22 06:55:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-12-22 06:55:40,997 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-12-22 06:55:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,998 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-12-22 06:55:40,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-12-22 06:55:40,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:55:40,999 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,999 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] [2020-12-22 06:55:40,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:41,000 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2020-12-22 06:55:41,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321582997] [2020-12-22 06:55:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,063 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 06:55:41,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321582997] [2020-12-22 06:55:41,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:41,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883793875] [2020-12-22 06:55:41,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:41,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:41,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:41,067 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-12-22 06:55:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,096 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-12-22 06:55:41,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:41,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:55:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,098 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:55:41,098 INFO L226 Difference]: Without dead ends: 62 [2020-12-22 06:55:41,099 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 06:55:41,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-22 06:55:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-12-22 06:55:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:55:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-12-22 06:55:41,120 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-12-22 06:55:41,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,121 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-12-22 06:55:41,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-12-22 06:55:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:55:41,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,127 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] [2020-12-22 06:55:41,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:41,128 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,128 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2020-12-22 06:55:41,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68977900] [2020-12-22 06:55:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,301 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 06:55:41,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68977900] [2020-12-22 06:55:41,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:41,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965154517] [2020-12-22 06:55:41,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:41,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:41,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:41,306 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-12-22 06:55:41,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,527 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-12-22 06:55:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:41,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:55:41,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,531 INFO L225 Difference]: With dead ends: 314 [2020-12-22 06:55:41,531 INFO L226 Difference]: Without dead ends: 260 [2020-12-22 06:55:41,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:41,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-12-22 06:55:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-12-22 06:55:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-22 06:55:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-12-22 06:55:41,554 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-12-22 06:55:41,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,555 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-12-22 06:55:41,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-12-22 06:55:41,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:41,556 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,556 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] [2020-12-22 06:55:41,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:41,557 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2020-12-22 06:55:41,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612727375] [2020-12-22 06:55:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,622 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 06:55:41,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612727375] [2020-12-22 06:55:41,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:41,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550993811] [2020-12-22 06:55:41,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:41,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:41,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,625 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-12-22 06:55:41,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,720 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-12-22 06:55:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:41,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:55:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,723 INFO L225 Difference]: With dead ends: 212 [2020-12-22 06:55:41,723 INFO L226 Difference]: Without dead ends: 158 [2020-12-22 06:55:41,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-12-22 06:55:41,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-12-22 06:55:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:55:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-12-22 06:55:41,743 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-12-22 06:55:41,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,744 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-12-22 06:55:41,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-12-22 06:55:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:41,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,746 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] [2020-12-22 06:55:41,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:41,746 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2020-12-22 06:55:41,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270191520] [2020-12-22 06:55:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,833 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 06:55:41,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270191520] [2020-12-22 06:55:41,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:41,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981742509] [2020-12-22 06:55:41,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:41,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:41,838 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-12-22 06:55:41,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,886 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-12-22 06:55:41,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:41,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:55:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,891 INFO L225 Difference]: With dead ends: 412 [2020-12-22 06:55:41,892 INFO L226 Difference]: Without dead ends: 308 [2020-12-22 06:55:41,895 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 06:55:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-12-22 06:55:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-12-22 06:55:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:55:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-12-22 06:55:41,927 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-12-22 06:55:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,928 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-12-22 06:55:41,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:41,928 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-12-22 06:55:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:41,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,930 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] [2020-12-22 06:55:41,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:41,931 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2020-12-22 06:55:41,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5843722] [2020-12-22 06:55:41,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,068 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 06:55:42,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5843722] [2020-12-22 06:55:42,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:42,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47990612] [2020-12-22 06:55:42,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:42,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:42,071 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-12-22 06:55:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,196 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-12-22 06:55:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:42,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-12-22 06:55:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,199 INFO L225 Difference]: With dead ends: 524 [2020-12-22 06:55:42,200 INFO L226 Difference]: Without dead ends: 375 [2020-12-22 06:55:42,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:55:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-12-22 06:55:42,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-12-22 06:55:42,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-12-22 06:55:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-12-22 06:55:42,234 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-12-22 06:55:42,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,235 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-12-22 06:55:42,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:42,235 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-12-22 06:55:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:55:42,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,245 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] [2020-12-22 06:55:42,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:42,246 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,247 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2020-12-22 06:55:42,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544522626] [2020-12-22 06:55:42,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,337 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 06:55:42,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544522626] [2020-12-22 06:55:42,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:42,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380979786] [2020-12-22 06:55:42,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:42,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:42,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:42,341 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-12-22 06:55:42,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,580 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-12-22 06:55:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 06:55:42,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:55:42,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,588 INFO L225 Difference]: With dead ends: 1154 [2020-12-22 06:55:42,589 INFO L226 Difference]: Without dead ends: 999 [2020-12-22 06:55:42,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-12-22 06:55:42,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-12-22 06:55:42,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-12-22 06:55:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-12-22 06:55:42,641 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-12-22 06:55:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,643 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-12-22 06:55:42,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-12-22 06:55:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:55:42,647 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,648 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] [2020-12-22 06:55:42,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:42,648 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2020-12-22 06:55:42,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640313780] [2020-12-22 06:55:42,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,764 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 06:55:42,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640313780] [2020-12-22 06:55:42,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:42,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518636475] [2020-12-22 06:55:42,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:42,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:42,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:42,769 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-12-22 06:55:42,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,986 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-12-22 06:55:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:42,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:55:42,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,991 INFO L225 Difference]: With dead ends: 687 [2020-12-22 06:55:42,991 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:55:42,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:55:42,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:55:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-12-22 06:55:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-22 06:55:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-12-22 06:55:43,005 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-12-22 06:55:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,005 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-12-22 06:55:43,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-12-22 06:55:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:43,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:43,007 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] [2020-12-22 06:55:43,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:43,007 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2020-12-22 06:55:43,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:43,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395756661] [2020-12-22 06:55:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:43,072 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 06:55:43,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395756661] [2020-12-22 06:55:43,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:43,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:43,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214796766] [2020-12-22 06:55:43,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:43,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:43,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:43,075 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 5 states. [2020-12-22 06:55:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:43,203 INFO L93 Difference]: Finished difference Result 228 states and 273 transitions. [2020-12-22 06:55:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:43,203 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:55:43,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:43,204 INFO L225 Difference]: With dead ends: 228 [2020-12-22 06:55:43,204 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:43,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:43,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-12-22 06:55:43,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,206 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:43,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:43,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:43,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:43,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:43,357 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 87 [2020-12-22 06:55:43,883 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2020-12-22 06:55:44,052 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 110 [2020-12-22 06:55:44,351 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-12-22 06:55:44,598 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2020-12-22 06:55:44,828 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-22 06:55:44,991 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2020-12-22 06:55:45,279 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2020-12-22 06:55:45,572 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-12-22 06:55:45,808 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-12-22 06:55:45,979 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-12-22 06:55:46,507 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2020-12-22 06:55:46,936 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2020-12-22 06:55:46,940 INFO L189 CegarLoopUtils]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-12-22 06:55:46,941 INFO L189 CegarLoopUtils]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-12-22 06:55:46,941 INFO L189 CegarLoopUtils]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-12-22 06:55:46,941 INFO L189 CegarLoopUtils]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2020-12-22 06:55:46,941 INFO L185 CegarLoopUtils]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse7 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-12-22 06:55:46,942 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,942 INFO L189 CegarLoopUtils]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2020-12-22 06:55:46,942 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:46,942 INFO L192 CegarLoopUtils]: At program point L549(lines 530 552) the Hoare annotation is: true [2020-12-22 06:55:46,942 INFO L185 CegarLoopUtils]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse2) .cse1 .cse3))) [2020-12-22 06:55:46,942 INFO L185 CegarLoopUtils]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2020-12-22 06:55:46,943 INFO L185 CegarLoopUtils]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2020-12-22 06:55:46,943 INFO L185 CegarLoopUtils]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:46,943 INFO L185 CegarLoopUtils]: At program point L319(lines 272 320) the Hoare annotation is: false [2020-12-22 06:55:46,943 INFO L189 CegarLoopUtils]: For program point L303(lines 303 314) no Hoare annotation was computed. [2020-12-22 06:55:46,943 INFO L185 CegarLoopUtils]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-12-22 06:55:46,943 INFO L185 CegarLoopUtils]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2020-12-22 06:55:46,944 INFO L185 CegarLoopUtils]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2020-12-22 06:55:46,944 INFO L185 CegarLoopUtils]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2020-12-22 06:55:46,944 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:55:46,944 INFO L189 CegarLoopUtils]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:55:46,944 INFO L189 CegarLoopUtils]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2020-12-22 06:55:46,944 INFO L185 CegarLoopUtils]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse0 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse2 .cse8 .cse3 .cse4))) [2020-12-22 06:55:46,944 INFO L185 CegarLoopUtils]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2020-12-22 06:55:46,945 INFO L185 CegarLoopUtils]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2020-12-22 06:55:46,945 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-22 06:55:46,945 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:46,945 INFO L189 CegarLoopUtils]: For program point L339(lines 339 359) no Hoare annotation was computed. [2020-12-22 06:55:46,945 INFO L189 CegarLoopUtils]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2020-12-22 06:55:46,945 INFO L189 CegarLoopUtils]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2020-12-22 06:55:46,945 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:46,946 INFO L185 CegarLoopUtils]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse2 .cse12 .cse3 .cse13 .cse14 .cse6 .cse7) (and .cse1 .cse9 .cse10 .cse2 .cse3 .cse6 .cse7) (and .cse0 .cse8 .cse11 .cse2 .cse12 .cse3 .cse4 .cse13 .cse14 .cse5 .cse6 .cse7))) [2020-12-22 06:55:46,946 INFO L185 CegarLoopUtils]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2020-12-22 06:55:46,946 INFO L185 CegarLoopUtils]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2020-12-22 06:55:46,946 INFO L185 CegarLoopUtils]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)) (and (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse0 .cse2))) [2020-12-22 06:55:46,946 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,947 INFO L185 CegarLoopUtils]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2020-12-22 06:55:46,947 INFO L185 CegarLoopUtils]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2020-12-22 06:55:46,947 INFO L189 CegarLoopUtils]: For program point L274(lines 273 318) no Hoare annotation was computed. [2020-12-22 06:55:46,947 INFO L189 CegarLoopUtils]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:55:46,947 INFO L189 CegarLoopUtils]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2020-12-22 06:55:46,947 INFO L185 CegarLoopUtils]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse2 .cse12 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse10 .cse1 .cse11 .cse2 .cse3 .cse12 .cse13 .cse4 .cse5 .cse6))) [2020-12-22 06:55:46,948 INFO L185 CegarLoopUtils]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse4 .cse5) (and .cse0 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse4) .cse3 .cse5))) [2020-12-22 06:55:46,948 INFO L185 CegarLoopUtils]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2020-12-22 06:55:46,948 INFO L185 CegarLoopUtils]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2020-12-22 06:55:46,948 INFO L189 CegarLoopUtils]: For program point L275(lines 275 279) no Hoare annotation was computed. [2020-12-22 06:55:46,948 INFO L185 CegarLoopUtils]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2020-12-22 06:55:46,948 INFO L185 CegarLoopUtils]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point L540(lines 540 547) no Hoare annotation was computed. [2020-12-22 06:55:46,949 INFO L192 CegarLoopUtils]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point L309(lines 309 313) no Hoare annotation was computed. [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-12-22 06:55:46,949 INFO L185 CegarLoopUtils]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-12-22 06:55:46,949 INFO L189 CegarLoopUtils]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-12-22 06:55:46,950 INFO L189 CegarLoopUtils]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2020-12-22 06:55:46,950 INFO L189 CegarLoopUtils]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2020-12-22 06:55:46,950 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-12-22 06:55:46,950 INFO L185 CegarLoopUtils]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2020-12-22 06:55:46,950 INFO L189 CegarLoopUtils]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2020-12-22 06:55:46,950 INFO L185 CegarLoopUtils]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2020-12-22 06:55:46,951 INFO L185 CegarLoopUtils]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2020-12-22 06:55:46,951 INFO L189 CegarLoopUtils]: For program point L345(lines 345 358) no Hoare annotation was computed. [2020-12-22 06:55:46,951 INFO L185 CegarLoopUtils]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2020-12-22 06:55:46,951 INFO L189 CegarLoopUtils]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2020-12-22 06:55:46,951 INFO L185 CegarLoopUtils]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2020-12-22 06:55:46,951 INFO L189 CegarLoopUtils]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2020-12-22 06:55:46,951 INFO L185 CegarLoopUtils]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L924(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L166(lines 166 172) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-12-22 06:55:46,952 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L185 CegarLoopUtils]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2020-12-22 06:55:46,953 INFO L189 CegarLoopUtils]: For program point L249(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L189 CegarLoopUtils]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L189 CegarLoopUtils]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L189 CegarLoopUtils]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L189 CegarLoopUtils]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L189 CegarLoopUtils]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2020-12-22 06:55:46,954 INFO L185 CegarLoopUtils]: At program point L200(lines 195 203) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:55:46,954 INFO L185 CegarLoopUtils]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2020-12-22 06:55:46,954 INFO L185 CegarLoopUtils]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2020-12-22 06:55:46,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:46 BoogieIcfgContainer [2020-12-22 06:55:46,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:46,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:46,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:46,991 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:46,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40" (3/4) ... [2020-12-22 06:55:46,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:47,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:47,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:47,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:47,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:47,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:47,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:47,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:47,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:55:47,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:55:47,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:55:47,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:55:47,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:47,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:55:47,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:47,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-12-22 06:55:47,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:47,057 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:47,145 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product41.cil.c-witness.graphml [2020-12-22 06:55:47,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:47,147 INFO L168 Benchmark]: Toolchain (without parser) took 9055.36 ms. Allocated memory was 154.1 MB in the beginning and 225.4 MB in the end (delta: 71.3 MB). Free memory was 129.0 MB in the beginning and 149.6 MB in the end (delta: -20.6 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,147 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 154.1 MB. Free memory is still 135.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:47,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.49 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 135.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.51 ms. Allocated memory is still 154.1 MB. Free memory was 135.3 MB in the beginning and 131.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,148 INFO L168 Benchmark]: Boogie Preprocessor took 47.10 ms. Allocated memory is still 154.1 MB. Free memory was 131.8 MB in the beginning and 129.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,149 INFO L168 Benchmark]: RCFGBuilder took 1085.78 ms. Allocated memory is still 154.1 MB. Free memory was 129.4 MB in the beginning and 112.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,149 INFO L168 Benchmark]: TraceAbstraction took 6968.58 ms. Allocated memory was 154.1 MB in the beginning and 225.4 MB in the end (delta: 71.3 MB). Free memory was 112.4 MB in the beginning and 158.5 MB in the end (delta: -46.1 MB). Peak memory consumption was 112.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,150 INFO L168 Benchmark]: Witness Printer took 154.86 ms. Allocated memory is still 225.4 MB. Free memory was 158.5 MB in the beginning and 149.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:47,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 154.1 MB. Free memory is still 135.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.49 ms. Allocated memory is still 154.1 MB. Free memory was 128.8 MB in the beginning and 135.3 MB in the end (delta: -6.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 85.51 ms. Allocated memory is still 154.1 MB. Free memory was 135.3 MB in the beginning and 131.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.10 ms. Allocated memory is still 154.1 MB. Free memory was 131.8 MB in the beginning and 129.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1085.78 ms. Allocated memory is still 154.1 MB. Free memory was 129.4 MB in the beginning and 112.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6968.58 ms. Allocated memory was 154.1 MB in the beginning and 225.4 MB in the end (delta: 71.3 MB). Free memory was 112.4 MB in the beginning and 158.5 MB in the end (delta: -46.1 MB). Peak memory consumption was 112.8 MB. Max. memory is 8.0 GB. * Witness Printer took 154.86 ms. Allocated memory is still 225.4 MB. Free memory was 158.5 MB in the beginning and 149.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: 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: 283]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 992 SDtfs, 1316 SDslu, 1679 SDs, 0 SdLazy, 236 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred 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, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 186 NumberOfFragments, 1046 HoareAnnotationTreeSize, 39 FomulaSimplifications, 151870 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 10499 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 19459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...