/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:40,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:40,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:40,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:40,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:40,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:40,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:40,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:40,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:40,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:40,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:40,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:40,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:40,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:40,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:40,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:40,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:40,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:40,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:40,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:40,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:40,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:40,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:40,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:40,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:40,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:40,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:40,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:40,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:40,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:40,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:40,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:40,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:40,607 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:40,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:40,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:40,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:40,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:40,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:40,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:40,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:40,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:40,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:40,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:40,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:40,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:40,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:40,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:40,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:40,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:40,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:40,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:40,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:40,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:40,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:40,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:41,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:41,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:41,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:41,032 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:41,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-12-22 06:57:41,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecae5332b/795bb7d96c4343f385306f8dc726829b/FLAG8f4c871b4 [2020-12-22 06:57:41,997 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:42,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2020-12-22 06:57:42,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecae5332b/795bb7d96c4343f385306f8dc726829b/FLAG8f4c871b4 [2020-12-22 06:57:42,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecae5332b/795bb7d96c4343f385306f8dc726829b [2020-12-22 06:57:42,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:42,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:42,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:42,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:42,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:42,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd813cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42, skipping insertion in model container [2020-12-22 06:57:42,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:42,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:42,616 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[17681,17694] [2020-12-22 06:57:42,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:42,656 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:42,774 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[17681,17694] [2020-12-22 06:57:42,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:42,845 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:42,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42 WrapperNode [2020-12-22 06:57:42,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:42,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:42,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:42,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:42,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:43,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:43,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:43,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:43,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:43,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:43,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:43,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:43,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:43,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:43,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:44,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:44,372 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2020-12-22 06:57:44,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44 BoogieIcfgContainer [2020-12-22 06:57:44,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:44,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:44,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:44,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:44,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:42" (1/3) ... [2020-12-22 06:57:44,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdebcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:44, skipping insertion in model container [2020-12-22 06:57:44,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (2/3) ... [2020-12-22 06:57:44,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdebcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:44, skipping insertion in model container [2020-12-22 06:57:44,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44" (3/3) ... [2020-12-22 06:57:44,384 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-12-22 06:57:44,391 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:44,397 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:44,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:44,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:44,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:44,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:44,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:44,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:44,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:44,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:44,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-12-22 06:57:44,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:44,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:44,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2020-12-22 06:57:44,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565626267] [2020-12-22 06:57:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:44,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565626267] [2020-12-22 06:57:44,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:44,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887161662] [2020-12-22 06:57:44,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:44,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:44,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:44,872 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2020-12-22 06:57:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,906 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2020-12-22 06:57:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:44,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,942 INFO L225 Difference]: With dead ends: 189 [2020-12-22 06:57:44,942 INFO L226 Difference]: Without dead ends: 94 [2020-12-22 06:57:44,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:44,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-22 06:57:44,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-22 06:57:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-22 06:57:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-12-22 06:57:44,995 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-12-22 06:57:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,995 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-12-22 06:57:44,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-12-22 06:57:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:44,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:44,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:44,997 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2020-12-22 06:57:44,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680665886] [2020-12-22 06:57:45,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680665886] [2020-12-22 06:57:45,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:45,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400875481] [2020-12-22 06:57:45,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:45,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:45,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,153 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-12-22 06:57:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,166 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-12-22 06:57:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:45,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,168 INFO L225 Difference]: With dead ends: 94 [2020-12-22 06:57:45,168 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:57:45,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:57:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:57:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:57:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-22 06:57:45,182 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-12-22 06:57:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,182 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-22 06:57:45,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-22 06:57:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:45,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:45,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:45,187 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2020-12-22 06:57:45,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425917757] [2020-12-22 06:57:45,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425917757] [2020-12-22 06:57:45,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:45,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965440734] [2020-12-22 06:57:45,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:45,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:45,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:45,315 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-12-22 06:57:45,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,393 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2020-12-22 06:57:45,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:45,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:57:45,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,395 INFO L225 Difference]: With dead ends: 105 [2020-12-22 06:57:45,395 INFO L226 Difference]: Without dead ends: 69 [2020-12-22 06:57:45,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 06:57:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-22 06:57:45,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-12-22 06:57:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:57:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-12-22 06:57:45,408 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-12-22 06:57:45,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,409 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-12-22 06:57:45,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-22 06:57:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:45,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,410 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] [2020-12-22 06:57:45,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:45,411 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2020-12-22 06:57:45,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647476662] [2020-12-22 06:57:45,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647476662] [2020-12-22 06:57:45,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:45,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66299073] [2020-12-22 06:57:45,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:45,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:45,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,499 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-12-22 06:57:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,571 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-12-22 06:57:45,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:45,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,574 INFO L225 Difference]: With dead ends: 147 [2020-12-22 06:57:45,574 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:57:45,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:57:45,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-22 06:57:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:57:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-12-22 06:57:45,598 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-12-22 06:57:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,599 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-12-22 06:57:45,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-12-22 06:57:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:45,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,602 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] [2020-12-22 06:57:45,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:45,602 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2020-12-22 06:57:45,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270989262] [2020-12-22 06:57:45,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:45,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270989262] [2020-12-22 06:57:45,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:45,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868653369] [2020-12-22 06:57:45,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:45,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:45,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:45,751 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-12-22 06:57:45,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,884 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-12-22 06:57:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:45,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,887 INFO L225 Difference]: With dead ends: 288 [2020-12-22 06:57:45,887 INFO L226 Difference]: Without dead ends: 208 [2020-12-22 06:57:45,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-22 06:57:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-12-22 06:57:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-12-22 06:57:45,904 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-12-22 06:57:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,905 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-12-22 06:57:45,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-12-22 06:57:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:45,906 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,906 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 06:57:45,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:45,907 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,907 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2020-12-22 06:57:45,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246868250] [2020-12-22 06:57:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246868250] [2020-12-22 06:57:46,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:46,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621747938] [2020-12-22 06:57:46,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:46,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:46,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:46,025 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-12-22 06:57:46,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,119 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-12-22 06:57:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:46,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:46,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,121 INFO L225 Difference]: With dead ends: 251 [2020-12-22 06:57:46,121 INFO L226 Difference]: Without dead ends: 173 [2020-12-22 06:57:46,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:46,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-22 06:57:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-12-22 06:57:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-22 06:57:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-12-22 06:57:46,160 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-12-22 06:57:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,162 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-12-22 06:57:46,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-12-22 06:57:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:46,164 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,164 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 06:57:46,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:46,166 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2020-12-22 06:57:46,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913983263] [2020-12-22 06:57:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913983263] [2020-12-22 06:57:46,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:46,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705906076] [2020-12-22 06:57:46,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:46,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:46,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:46,260 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-12-22 06:57:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,297 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-12-22 06:57:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:46,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-22 06:57:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,300 INFO L225 Difference]: With dead ends: 217 [2020-12-22 06:57:46,300 INFO L226 Difference]: Without dead ends: 136 [2020-12-22 06:57:46,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:46,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-12-22 06:57:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-12-22 06:57:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-22 06:57:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-12-22 06:57:46,321 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-12-22 06:57:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,322 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-12-22 06:57:46,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-12-22 06:57:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:46,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,327 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 06:57:46,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:46,327 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2020-12-22 06:57:46,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916428852] [2020-12-22 06:57:46,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916428852] [2020-12-22 06:57:46,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:46,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784100832] [2020-12-22 06:57:46,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:46,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:46,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:46,410 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-12-22 06:57:46,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,445 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-12-22 06:57:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:46,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:57:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,447 INFO L225 Difference]: With dead ends: 222 [2020-12-22 06:57:46,447 INFO L226 Difference]: Without dead ends: 139 [2020-12-22 06:57:46,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-12-22 06:57:46,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-12-22 06:57:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-22 06:57:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-12-22 06:57:46,464 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-12-22 06:57:46,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,464 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-12-22 06:57:46,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-12-22 06:57:46,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:46,465 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:46,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:46,466 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,467 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2020-12-22 06:57:46,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071412296] [2020-12-22 06:57:46,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071412296] [2020-12-22 06:57:46,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:46,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975903197] [2020-12-22 06:57:46,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:46,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:46,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:46,577 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-12-22 06:57:46,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,953 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-12-22 06:57:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:46,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:57:46,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,957 INFO L225 Difference]: With dead ends: 628 [2020-12-22 06:57:46,957 INFO L226 Difference]: Without dead ends: 545 [2020-12-22 06:57:46,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-12-22 06:57:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-12-22 06:57:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:57:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-12-22 06:57:47,017 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-12-22 06:57:47,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,019 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-12-22 06:57:47,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:47,019 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-12-22 06:57:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:47,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:47,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:47,021 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2020-12-22 06:57:47,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126592048] [2020-12-22 06:57:47,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126592048] [2020-12-22 06:57:47,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559247416] [2020-12-22 06:57:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:47,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:47,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:47,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:57:47,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932313240] [2020-12-22 06:57:47,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:47,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:47,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:47,505 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-12-22 06:57:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,143 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-12-22 06:57:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:48,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:57:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,145 INFO L225 Difference]: With dead ends: 459 [2020-12-22 06:57:48,145 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:48,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:48,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:48,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:57:48,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,147 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:48,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:48,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:48,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:48,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:48,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:49,198 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-12-22 06:57:49,389 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-12-22 06:57:49,585 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 15 [2020-12-22 06:57:49,813 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-22 06:57:49,933 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2020-12-22 06:57:50,150 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-22 06:57:50,335 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-12-22 06:57:50,446 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2020-12-22 06:57:50,661 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-22 06:57:50,911 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-12-22 06:57:51,140 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-22 06:57:51,146 INFO L189 CegarLoopUtils]: For program point L960(lines 960 970) no Hoare annotation was computed. [2020-12-22 06:57:51,147 INFO L189 CegarLoopUtils]: For program point L960-2(lines 960 970) no Hoare annotation was computed. [2020-12-22 06:57:51,147 INFO L189 CegarLoopUtils]: For program point L960-4(lines 960 970) no Hoare annotation was computed. [2020-12-22 06:57:51,147 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,147 INFO L189 CegarLoopUtils]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L564-1(lines 564 572) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 603) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L564-2(lines 564 572) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L597-4(lines 597 603) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,148 INFO L189 CegarLoopUtils]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L961(lines 961 967) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L961-2(lines 961 967) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L961-4(lines 961 967) no Hoare annotation was computed. [2020-12-22 06:57:51,149 INFO L189 CegarLoopUtils]: For program point L763(lines 763 769) no Hoare annotation was computed. [2020-12-22 06:57:51,151 INFO L185 CegarLoopUtils]: At program point L763-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,152 INFO L185 CegarLoopUtils]: At program point L631(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse5 .cse6))) [2020-12-22 06:57:51,152 INFO L185 CegarLoopUtils]: At program point L631-1(lines 626 634) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:57:51,152 INFO L185 CegarLoopUtils]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:51,152 INFO L185 CegarLoopUtils]: At program point L631-3(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L631-4(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L631-5(lines 626 634) the Hoare annotation is: false [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L945(lines 528 534) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L945-1(lines 528 534) the Hoare annotation is: false [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L945-2(lines 528 534) the Hoare annotation is: false [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,153 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,154 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-22 06:57:51,154 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,154 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,154 INFO L185 CegarLoopUtils]: At program point L881(lines 877 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,155 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:57:51,155 INFO L185 CegarLoopUtils]: At program point L535(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,155 INFO L185 CegarLoopUtils]: At program point L535-1(lines 535 541) the Hoare annotation is: false [2020-12-22 06:57:51,155 INFO L185 CegarLoopUtils]: At program point L535-2(lines 535 541) the Hoare annotation is: false [2020-12-22 06:57:51,155 INFO L192 CegarLoopUtils]: At program point L915(lines 896 918) the Hoare annotation is: true [2020-12-22 06:57:51,155 INFO L185 CegarLoopUtils]: At program point L833-2(lines 833 847) the Hoare annotation is: false [2020-12-22 06:57:51,156 INFO L185 CegarLoopUtils]: At program point L817(lines 812 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,156 INFO L189 CegarLoopUtils]: For program point L834(line 834) no Hoare annotation was computed. [2020-12-22 06:57:51,156 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,156 INFO L189 CegarLoopUtils]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-12-22 06:57:51,156 INFO L185 CegarLoopUtils]: At program point L735-1(lines 735 741) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,157 INFO L185 CegarLoopUtils]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse6 .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,157 INFO L185 CegarLoopUtils]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-12-22 06:57:51,157 INFO L185 CegarLoopUtils]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-12-22 06:57:51,157 INFO L185 CegarLoopUtils]: At program point L686(lines 671 689) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,159 INFO L185 CegarLoopUtils]: At program point L686-1(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:51,159 INFO L185 CegarLoopUtils]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2020-12-22 06:57:51,160 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,160 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,160 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-12-22 06:57:51,160 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,160 INFO L185 CegarLoopUtils]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,160 INFO L185 CegarLoopUtils]: At program point L622(lines 615 625) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,161 INFO L185 CegarLoopUtils]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2020-12-22 06:57:51,161 INFO L185 CegarLoopUtils]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L837-1(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L755(lines 755 770) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L906(lines 906 913) no Hoare annotation was computed. [2020-12-22 06:57:51,161 INFO L192 CegarLoopUtils]: At program point L906-1(lines 906 913) the Hoare annotation is: true [2020-12-22 06:57:51,161 INFO L189 CegarLoopUtils]: For program point L956(lines 956 973) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L185 CegarLoopUtils]: At program point L956-1(lines 1 976) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,162 INFO L189 CegarLoopUtils]: For program point L956-2(lines 956 973) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L185 CegarLoopUtils]: At program point L956-3(lines 1 976) the Hoare annotation is: false [2020-12-22 06:57:51,162 INFO L189 CegarLoopUtils]: For program point L956-4(lines 956 973) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L185 CegarLoopUtils]: At program point L956-5(lines 1 976) the Hoare annotation is: false [2020-12-22 06:57:51,162 INFO L189 CegarLoopUtils]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L189 CegarLoopUtils]: For program point L560-1(lines 560 577) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L189 CegarLoopUtils]: For program point L560-2(lines 560 577) no Hoare annotation was computed. [2020-12-22 06:57:51,162 INFO L185 CegarLoopUtils]: At program point L775(lines 724 776) the Hoare annotation is: false [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point L924(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point L924-1(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point L924-2(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L189 CegarLoopUtils]: For program point L726(lines 725 774) no Hoare annotation was computed. [2020-12-22 06:57:51,163 INFO L185 CegarLoopUtils]: At program point L528(lines 524 546) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:57:51,164 INFO L185 CegarLoopUtils]: At program point L528-1(lines 524 546) the Hoare annotation is: false [2020-12-22 06:57:51,166 INFO L185 CegarLoopUtils]: At program point L528-2(lines 524 546) the Hoare annotation is: false [2020-12-22 06:57:51,167 INFO L185 CegarLoopUtils]: At program point L809(lines 1 976) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:57:51,167 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,167 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,167 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:57:51,168 INFO L189 CegarLoopUtils]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-12-22 06:57:51,168 INFO L189 CegarLoopUtils]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-12-22 06:57:51,169 INFO L185 CegarLoopUtils]: At program point L694-1(lines 694 700) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~7 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:51,169 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:51,170 INFO L189 CegarLoopUtils]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-12-22 06:57:51,170 INFO L185 CegarLoopUtils]: At program point L745-1(lines 745 751) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse6 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:51,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:51 BoogieIcfgContainer [2020-12-22 06:57:51,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:51,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:51,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:51,239 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:51,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44" (3/4) ... [2020-12-22 06:57:51,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:51,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:51,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:51,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:51,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:51,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:51,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:51,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:51,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:51,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-12-22 06:57:51,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 [2020-12-22 06:57:51,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,315 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,319 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:51,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:51,451 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product44.cil.c-witness.graphml [2020-12-22 06:57:51,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:51,453 INFO L168 Benchmark]: Toolchain (without parser) took 9240.11 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 126.3 MB in the beginning and 181.3 MB in the end (delta: -55.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,453 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:51,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.85 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 103.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.40 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 134.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,455 INFO L168 Benchmark]: Boogie Preprocessor took 95.59 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 131.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,455 INFO L168 Benchmark]: RCFGBuilder took 1240.98 ms. Allocated memory is still 151.0 MB. Free memory was 131.8 MB in the beginning and 73.6 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,455 INFO L168 Benchmark]: TraceAbstraction took 6861.88 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 73.1 MB in the beginning and 189.7 MB in the end (delta: -116.5 MB). Peak memory consumption was 71.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,456 INFO L168 Benchmark]: Witness Printer took 213.10 ms. Allocated memory is still 220.2 MB. Free memory was 189.7 MB in the beginning and 181.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:51,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 630.85 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 103.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 188.40 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 134.0 MB in the end (delta: -30.1 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 95.59 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 131.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1240.98 ms. Allocated memory is still 151.0 MB. Free memory was 131.8 MB in the beginning and 73.6 MB in the end (delta: 58.2 MB). Peak memory consumption was 58.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6861.88 ms. Allocated memory was 151.0 MB in the beginning and 220.2 MB in the end (delta: 69.2 MB). Free memory was 73.1 MB in the beginning and 189.7 MB in the end (delta: -116.5 MB). Peak memory consumption was 71.7 MB. Max. memory is 8.0 GB. * Witness Printer took 213.10 ms. Allocated memory is still 220.2 MB. Free memory was 189.7 MB in the beginning and 181.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: ((((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1196 SDslu, 1355 SDs, 0 SdLazy, 214 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 580 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 1003 HoareAnnotationTreeSize, 45 FomulaSimplifications, 54454 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 8304 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 26793 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...