/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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:48,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:48,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:48,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:48,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:48,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:48,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:48,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:48,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:48,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:48,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:48,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:48,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:48,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:48,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:48,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:48,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:48,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:48,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:48,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:48,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:48,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:48,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:48,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:48,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:48,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:48,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:48,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:48,725 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:48,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:48,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:48,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:48,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:48,785 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:48,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:48,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:48,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:48,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:48,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:48,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:48,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:48,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:48,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:48,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:48,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:48,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:48,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:48,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:48,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:48,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:48,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:48,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:48,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:48,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:48,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:49,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:49,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:49,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:49,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:49,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:49,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2020-12-22 06:57:49,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1a4764c/84bc1871f0b14032a91887950312e535/FLAG707e9f8e5 [2020-12-22 06:57:50,075 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:50,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2020-12-22 06:57:50,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1a4764c/84bc1871f0b14032a91887950312e535/FLAG707e9f8e5 [2020-12-22 06:57:50,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1a4764c/84bc1871f0b14032a91887950312e535 [2020-12-22 06:57:50,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:50,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:50,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:50,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:50,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cbb9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50, skipping insertion in model container [2020-12-22 06:57:50,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:50,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:50,712 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_product52.cil.c[12348,12361] [2020-12-22 06:57:50,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,784 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:50,906 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_product52.cil.c[12348,12361] [2020-12-22 06:57:50,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,974 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:50,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50 WrapperNode [2020-12-22 06:57:50,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:50,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:50,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:51,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:51,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:51,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:51,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:51,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:51,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:51,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:51,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:51,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (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 06:57:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:51,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:52,639 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:52,640 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2020-12-22 06:57:52,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52 BoogieIcfgContainer [2020-12-22 06:57:52,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:52,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:52,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:52,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:52,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:50" (1/3) ... [2020-12-22 06:57:52,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55039409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (2/3) ... [2020-12-22 06:57:52,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55039409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/3) ... [2020-12-22 06:57:52,659 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-12-22 06:57:52,666 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:52,672 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:52,693 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:52,723 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:52,724 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:52,724 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:52,724 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:52,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:52,724 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:52,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:52,725 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-12-22 06:57:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:52,753 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,754 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 06:57:52,754 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1472110058, now seen corresponding path program 1 times [2020-12-22 06:57:52,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980969678] [2020-12-22 06:57:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,088 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 06:57:53,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980969678] [2020-12-22 06:57:53,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944376700] [2020-12-22 06:57:53,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:53,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:53,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:53,141 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-12-22 06:57:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,182 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2020-12-22 06:57:53,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:53,184 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,200 INFO L225 Difference]: With dead ends: 249 [2020-12-22 06:57:53,200 INFO L226 Difference]: Without dead ends: 124 [2020-12-22 06:57:53,204 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 06:57:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-22 06:57:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-12-22 06:57:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:57:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-12-22 06:57:53,258 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2020-12-22 06:57:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,261 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-12-22 06:57:53,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-12-22 06:57:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:53,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,263 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 06:57:53,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:53,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1016837685, now seen corresponding path program 1 times [2020-12-22 06:57:53,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096005968] [2020-12-22 06:57:53,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,407 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 06:57:53,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096005968] [2020-12-22 06:57:53,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:53,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528607151] [2020-12-22 06:57:53,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,412 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-12-22 06:57:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,427 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2020-12-22 06:57:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,430 INFO L225 Difference]: With dead ends: 124 [2020-12-22 06:57:53,430 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:57:53,431 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 06:57:53,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:57:53,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:57:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:57:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:57:53,446 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2020-12-22 06:57:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,446 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:57:53,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,447 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:57:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:53,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,448 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 06:57:53,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:53,450 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,453 INFO L82 PathProgramCache]: Analyzing trace with hash 632373730, now seen corresponding path program 1 times [2020-12-22 06:57:53,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567532625] [2020-12-22 06:57:53,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,587 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 06:57:53,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567532625] [2020-12-22 06:57:53,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:53,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678699325] [2020-12-22 06:57:53,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,590 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 5 states. [2020-12-22 06:57:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,678 INFO L93 Difference]: Finished difference Result 125 states and 183 transitions. [2020-12-22 06:57:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:53,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:57:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,680 INFO L225 Difference]: With dead ends: 125 [2020-12-22 06:57:53,680 INFO L226 Difference]: Without dead ends: 79 [2020-12-22 06:57:53,681 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 06:57:53,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-22 06:57:53,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 75. [2020-12-22 06:57:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:57:53,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2020-12-22 06:57:53,693 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2020-12-22 06:57:53,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,693 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2020-12-22 06:57:53,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2020-12-22 06:57:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:53,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:53,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,696 INFO L82 PathProgramCache]: Analyzing trace with hash 505882496, now seen corresponding path program 1 times [2020-12-22 06:57:53,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665747263] [2020-12-22 06:57:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,755 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 06:57:53,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665747263] [2020-12-22 06:57:53,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969383422] [2020-12-22 06:57:53,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,759 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand 3 states. [2020-12-22 06:57:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,848 INFO L93 Difference]: Finished difference Result 167 states and 245 transitions. [2020-12-22 06:57:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,850 INFO L225 Difference]: With dead ends: 167 [2020-12-22 06:57:53,850 INFO L226 Difference]: Without dead ends: 99 [2020-12-22 06:57:53,851 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 06:57:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-12-22 06:57:53,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2020-12-22 06:57:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-12-22 06:57:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2020-12-22 06:57:53,878 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 28 [2020-12-22 06:57:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,879 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2020-12-22 06:57:53,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2020-12-22 06:57:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:53,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,880 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 06:57:53,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:53,881 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1201567211, now seen corresponding path program 1 times [2020-12-22 06:57:53,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62091997] [2020-12-22 06:57:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,990 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 06:57:53,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62091997] [2020-12-22 06:57:53,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:53,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669903853] [2020-12-22 06:57:53,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,994 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand 5 states. [2020-12-22 06:57:54,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,164 INFO L93 Difference]: Finished difference Result 314 states and 445 transitions. [2020-12-22 06:57:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:54,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,167 INFO L225 Difference]: With dead ends: 314 [2020-12-22 06:57:54,167 INFO L226 Difference]: Without dead ends: 224 [2020-12-22 06:57:54,169 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 06:57:54,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-12-22 06:57:54,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 95. [2020-12-22 06:57:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-22 06:57:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2020-12-22 06:57:54,223 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 29 [2020-12-22 06:57:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,224 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2020-12-22 06:57:54,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2020-12-22 06:57:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,226 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:54,227 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,228 INFO L82 PathProgramCache]: Analyzing trace with hash 113415631, now seen corresponding path program 1 times [2020-12-22 06:57:54,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784886920] [2020-12-22 06:57:54,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,345 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 06:57:54,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784886920] [2020-12-22 06:57:54,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:54,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750200856] [2020-12-22 06:57:54,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,349 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand 5 states. [2020-12-22 06:57:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,441 INFO L93 Difference]: Finished difference Result 276 states and 380 transitions. [2020-12-22 06:57:54,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:54,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:54,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,444 INFO L225 Difference]: With dead ends: 276 [2020-12-22 06:57:54,444 INFO L226 Difference]: Without dead ends: 188 [2020-12-22 06:57:54,446 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 06:57:54,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-22 06:57:54,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 101. [2020-12-22 06:57:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-12-22 06:57:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 137 transitions. [2020-12-22 06:57:54,471 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 137 transitions. Word has length 34 [2020-12-22 06:57:54,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,473 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 137 transitions. [2020-12-22 06:57:54,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 137 transitions. [2020-12-22 06:57:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,483 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:54,483 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,485 INFO L82 PathProgramCache]: Analyzing trace with hash 814480209, now seen corresponding path program 1 times [2020-12-22 06:57:54,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262326246] [2020-12-22 06:57:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,546 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 06:57:54,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262326246] [2020-12-22 06:57:54,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:54,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328329194] [2020-12-22 06:57:54,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:54,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:54,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:54,549 INFO L87 Difference]: Start difference. First operand 101 states and 137 transitions. Second operand 4 states. [2020-12-22 06:57:54,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,603 INFO L93 Difference]: Finished difference Result 249 states and 338 transitions. [2020-12-22 06:57:54,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:54,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:57:54,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,605 INFO L225 Difference]: With dead ends: 249 [2020-12-22 06:57:54,605 INFO L226 Difference]: Without dead ends: 155 [2020-12-22 06:57:54,606 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 06:57:54,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-12-22 06:57:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 105. [2020-12-22 06:57:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-22 06:57:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 141 transitions. [2020-12-22 06:57:54,620 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 141 transitions. Word has length 34 [2020-12-22 06:57:54,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,621 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 141 transitions. [2020-12-22 06:57:54,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 141 transitions. [2020-12-22 06:57:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:54,623 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,623 INFO L82 PathProgramCache]: Analyzing trace with hash 227674195, now seen corresponding path program 1 times [2020-12-22 06:57:54,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501333029] [2020-12-22 06:57:54,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,679 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 06:57:54,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501333029] [2020-12-22 06:57:54,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:54,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889646695] [2020-12-22 06:57:54,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,681 INFO L87 Difference]: Start difference. First operand 105 states and 141 transitions. Second operand 3 states. [2020-12-22 06:57:54,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,718 INFO L93 Difference]: Finished difference Result 253 states and 341 transitions. [2020-12-22 06:57:54,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:54,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,720 INFO L225 Difference]: With dead ends: 253 [2020-12-22 06:57:54,720 INFO L226 Difference]: Without dead ends: 155 [2020-12-22 06:57:54,721 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 06:57:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-12-22 06:57:54,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2020-12-22 06:57:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:57:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 204 transitions. [2020-12-22 06:57:54,737 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 204 transitions. Word has length 34 [2020-12-22 06:57:54,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,737 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 204 transitions. [2020-12-22 06:57:54,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 204 transitions. [2020-12-22 06:57:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:54,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:54,739 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1168271981, now seen corresponding path program 1 times [2020-12-22 06:57:54,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925343350] [2020-12-22 06:57:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,842 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 06:57:54,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925343350] [2020-12-22 06:57:54,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:54,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354452811] [2020-12-22 06:57:54,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:54,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:54,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:54,845 INFO L87 Difference]: Start difference. First operand 155 states and 204 transitions. Second operand 7 states. [2020-12-22 06:57:55,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,325 INFO L93 Difference]: Finished difference Result 720 states and 976 transitions. [2020-12-22 06:57:55,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:55,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:55,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,331 INFO L225 Difference]: With dead ends: 720 [2020-12-22 06:57:55,332 INFO L226 Difference]: Without dead ends: 622 [2020-12-22 06:57:55,333 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 06:57:55,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2020-12-22 06:57:55,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 257. [2020-12-22 06:57:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-12-22 06:57:55,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 338 transitions. [2020-12-22 06:57:55,373 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 338 transitions. Word has length 35 [2020-12-22 06:57:55,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,373 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 338 transitions. [2020-12-22 06:57:55,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 338 transitions. [2020-12-22 06:57:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:57:55,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,375 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:55,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:55,375 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1462781310, now seen corresponding path program 1 times [2020-12-22 06:57:55,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379404879] [2020-12-22 06:57:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,471 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 06:57:55,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379404879] [2020-12-22 06:57:55,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776235624] [2020-12-22 06:57:55,472 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 06:57:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:55,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:55,855 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 06:57:55,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:55,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:57:55,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885047902] [2020-12-22 06:57:55,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:57:55,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:57:55,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:55,858 INFO L87 Difference]: Start difference. First operand 257 states and 338 transitions. Second operand 10 states. [2020-12-22 06:57:56,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:56,390 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2020-12-22 06:57:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:56,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-22 06:57:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:56,392 INFO L225 Difference]: With dead ends: 590 [2020-12-22 06:57:56,392 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:56,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:56,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:56,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:56,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:57:56,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:56,395 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:56,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:57:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:56,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:56,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:56,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:57,392 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2020-12-22 06:57:57,623 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 84 [2020-12-22 06:57:57,809 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 89 [2020-12-22 06:57:58,028 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-12-22 06:57:58,289 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 16 [2020-12-22 06:57:58,497 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-12-22 06:57:58,792 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2020-12-22 06:57:59,067 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 32 [2020-12-22 06:57:59,365 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-12-22 06:57:59,593 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2020-12-22 06:57:59,885 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 27 [2020-12-22 06:58:00,444 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-12-22 06:58:00,838 WARN L197 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-12-22 06:58:00,855 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,855 INFO L189 CegarLoopUtils]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-12-22 06:58:00,855 INFO L189 CegarLoopUtils]: For program point L597(lines 597 601) no Hoare annotation was computed. [2020-12-22 06:58:00,856 INFO L185 CegarLoopUtils]: At program point L531(lines 526 533) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,856 INFO L189 CegarLoopUtils]: For program point L797(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,856 INFO L189 CegarLoopUtils]: For program point L797-1(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,856 INFO L189 CegarLoopUtils]: For program point L797-2(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,856 INFO L189 CegarLoopUtils]: For program point L797-3(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,857 INFO L189 CegarLoopUtils]: For program point L797-4(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,857 INFO L189 CegarLoopUtils]: For program point L797-5(lines 797 814) no Hoare annotation was computed. [2020-12-22 06:58:00,857 INFO L189 CegarLoopUtils]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-12-22 06:58:00,857 INFO L192 CegarLoopUtils]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-12-22 06:58:00,857 INFO L185 CegarLoopUtils]: At program point L765(lines 761 783) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,857 INFO L189 CegarLoopUtils]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-12-22 06:58:00,858 INFO L185 CegarLoopUtils]: At program point L765-1(lines 761 783) the Hoare annotation is: false [2020-12-22 06:58:00,858 INFO L185 CegarLoopUtils]: At program point L732-1(lines 1 1011) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2020-12-22 06:58:00,858 INFO L185 CegarLoopUtils]: At program point L765-2(lines 761 783) the Hoare annotation is: false [2020-12-22 06:58:00,858 INFO L185 CegarLoopUtils]: At program point L931(lines 916 934) the Hoare annotation is: false [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L931-1(lines 916 934) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L931-2(lines 916 934) the Hoare annotation is: false [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L931-3(lines 916 934) the Hoare annotation is: false [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L931-4(lines 916 934) the Hoare annotation is: false [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L931-5(lines 916 934) the Hoare annotation is: false [2020-12-22 06:58:00,859 INFO L185 CegarLoopUtils]: At program point L667(lines 658 671) the Hoare annotation is: false [2020-12-22 06:58:00,860 INFO L185 CegarLoopUtils]: At program point L667-1(lines 658 671) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:00,860 INFO L185 CegarLoopUtils]: At program point L667-2(lines 658 671) the Hoare annotation is: false [2020-12-22 06:58:00,860 INFO L185 CegarLoopUtils]: At program point L667-3(lines 658 671) the Hoare annotation is: false [2020-12-22 06:58:00,860 INFO L185 CegarLoopUtils]: At program point L667-4(lines 658 671) the Hoare annotation is: false [2020-12-22 06:58:00,860 INFO L185 CegarLoopUtils]: At program point L667-5(lines 658 671) the Hoare annotation is: false [2020-12-22 06:58:00,860 INFO L189 CegarLoopUtils]: For program point L801(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,860 INFO L189 CegarLoopUtils]: For program point L801-1(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,861 INFO L189 CegarLoopUtils]: For program point L801-2(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,861 INFO L189 CegarLoopUtils]: For program point L801-3(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,861 INFO L189 CegarLoopUtils]: For program point L801-4(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,861 INFO L189 CegarLoopUtils]: For program point L801-5(lines 801 809) no Hoare annotation was computed. [2020-12-22 06:58:00,861 INFO L185 CegarLoopUtils]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,861 INFO L185 CegarLoopUtils]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:58:00,862 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,862 INFO L189 CegarLoopUtils]: For program point L704(lines 704 710) no Hoare annotation was computed. [2020-12-22 06:58:00,862 INFO L185 CegarLoopUtils]: At program point L704-1(lines 704 710) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,862 INFO L185 CegarLoopUtils]: At program point L772(lines 772 778) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,862 INFO L185 CegarLoopUtils]: At program point L772-1(lines 772 778) the Hoare annotation is: false [2020-12-22 06:58:00,863 INFO L185 CegarLoopUtils]: At program point L772-2(lines 772 778) the Hoare annotation is: false [2020-12-22 06:58:00,863 INFO L185 CegarLoopUtils]: At program point L541(lines 765 771) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3))) [2020-12-22 06:58:00,863 INFO L185 CegarLoopUtils]: At program point L541-1(lines 765 771) the Hoare annotation is: false [2020-12-22 06:58:00,863 INFO L185 CegarLoopUtils]: At program point L541-2(lines 765 771) the Hoare annotation is: false [2020-12-22 06:58:00,863 INFO L192 CegarLoopUtils]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-12-22 06:58:00,863 INFO L189 CegarLoopUtils]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-12-22 06:58:00,864 INFO L185 CegarLoopUtils]: At program point L677(lines 672 680) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,864 INFO L185 CegarLoopUtils]: At program point L677-1(lines 672 680) the Hoare annotation is: false [2020-12-22 06:58:00,864 INFO L185 CegarLoopUtils]: At program point L677-2(lines 672 680) the Hoare annotation is: false [2020-12-22 06:58:00,864 INFO L185 CegarLoopUtils]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,864 INFO L185 CegarLoopUtils]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L876-1(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3))) [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L876-3(lines 871 879) the Hoare annotation is: false [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L744(lines 693 745) the Hoare annotation is: false [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L876-4(lines 871 879) the Hoare annotation is: false [2020-12-22 06:58:00,865 INFO L185 CegarLoopUtils]: At program point L876-5(lines 871 879) the Hoare annotation is: false [2020-12-22 06:58:00,865 INFO L189 CegarLoopUtils]: For program point L944(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L944-2(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L944-3(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L944-5(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L944-6(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L944-8(lines 944 948) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:58:00,866 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-12-22 06:58:00,867 INFO L185 CegarLoopUtils]: At program point L714-1(lines 714 720) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,867 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,867 INFO L189 CegarLoopUtils]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,867 INFO L189 CegarLoopUtils]: For program point L518-2(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,867 INFO L189 CegarLoopUtils]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-12-22 06:58:00,867 INFO L189 CegarLoopUtils]: For program point L552(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:58:00,868 INFO L185 CegarLoopUtils]: At program point L552-1(lines 1 1011) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse6 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,868 INFO L189 CegarLoopUtils]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2020-12-22 06:58:00,868 INFO L189 CegarLoopUtils]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:58:00,868 INFO L185 CegarLoopUtils]: At program point L552-3(lines 1 1011) the Hoare annotation is: false [2020-12-22 06:58:00,868 INFO L189 CegarLoopUtils]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2020-12-22 06:58:00,868 INFO L189 CegarLoopUtils]: For program point L585-6(lines 585 589) no Hoare annotation was computed. [2020-12-22 06:58:00,868 INFO L185 CegarLoopUtils]: At program point L552-5(lines 1 1011) the Hoare annotation is: false [2020-12-22 06:58:00,869 INFO L185 CegarLoopUtils]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-12-22 06:58:00,869 INFO L189 CegarLoopUtils]: For program point L421(line 421) no Hoare annotation was computed. [2020-12-22 06:58:00,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:58:00,869 INFO L185 CegarLoopUtils]: At program point L950(lines 935 953) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,869 INFO L185 CegarLoopUtils]: At program point L950-1(lines 935 953) the Hoare annotation is: false [2020-12-22 06:58:00,869 INFO L185 CegarLoopUtils]: At program point L950-2(lines 935 953) the Hoare annotation is: false [2020-12-22 06:58:00,870 INFO L185 CegarLoopUtils]: At program point L654(lines 649 657) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse6 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:00,870 INFO L185 CegarLoopUtils]: At program point L654-1(lines 649 657) the Hoare annotation is: false [2020-12-22 06:58:00,870 INFO L185 CegarLoopUtils]: At program point L654-2(lines 649 657) the Hoare annotation is: false [2020-12-22 06:58:00,870 INFO L189 CegarLoopUtils]: For program point L556(lines 556 566) no Hoare annotation was computed. [2020-12-22 06:58:00,870 INFO L189 CegarLoopUtils]: For program point L556-2(lines 556 566) no Hoare annotation was computed. [2020-12-22 06:58:00,870 INFO L189 CegarLoopUtils]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:58:00,870 INFO L189 CegarLoopUtils]: For program point L556-4(lines 556 566) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L557(lines 557 563) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L557-2(lines 557 563) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L557-4(lines 557 563) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L823(lines 823 840) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L823-1(lines 823 840) no Hoare annotation was computed. [2020-12-22 06:58:00,871 INFO L189 CegarLoopUtils]: For program point L823-2(lines 823 840) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point L724(lines 724 739) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point L958(lines 958 964) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L185 CegarLoopUtils]: At program point L958-1(lines 958 964) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point L925(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,872 INFO L189 CegarLoopUtils]: For program point L925-2(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-3(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-5(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-6(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-8(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-9(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-11(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-12(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,873 INFO L189 CegarLoopUtils]: For program point L925-14(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L925-15(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L925-17(lines 925 929) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L827(lines 827 835) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L827-1(lines 827 835) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 835) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L695(lines 694 743) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,874 INFO L189 CegarLoopUtils]: For program point L662-1(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,875 INFO L189 CegarLoopUtils]: For program point L662-2(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,875 INFO L189 CegarLoopUtils]: For program point L662-3(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,875 INFO L189 CegarLoopUtils]: For program point L662-4(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,875 INFO L189 CegarLoopUtils]: For program point L662-5(lines 662 668) no Hoare annotation was computed. [2020-12-22 06:58:00,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:58:00 BoogieIcfgContainer [2020-12-22 06:58:00,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:58:00,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:58:00,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:58:00,909 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:58:00,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/4) ... [2020-12-22 06:58:00,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:58:00,935 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:58:00,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:58:00,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:58:00,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:58:00,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:58:00,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:00,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:00,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:58:00,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:58:00,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:58:00,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((((tmp == 1 && 1 <= pumpRunning) && 1 < tmp) && tmp <= 2) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:00,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && 1 <= pumpRunning) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:00,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:00,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:00,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:01,067 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product52.cil.c-witness.graphml [2020-12-22 06:58:01,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:58:01,068 INFO L168 Benchmark]: Toolchain (without parser) took 10708.57 ms. Allocated memory was 157.3 MB in the beginning and 257.9 MB in the end (delta: 100.7 MB). Free memory was 132.5 MB in the beginning and 145.1 MB in the end (delta: -12.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,069 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:01,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.69 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 110.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.91 ms. Allocated memory is still 157.3 MB. Free memory was 110.2 MB in the beginning and 138.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,070 INFO L168 Benchmark]: Boogie Preprocessor took 108.26 ms. Allocated memory is still 157.3 MB. Free memory was 138.7 MB in the beginning and 136.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,070 INFO L168 Benchmark]: RCFGBuilder took 1453.25 ms. Allocated memory is still 157.3 MB. Free memory was 136.1 MB in the beginning and 69.5 MB in the end (delta: 66.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,071 INFO L168 Benchmark]: TraceAbstraction took 8261.37 ms. Allocated memory was 157.3 MB in the beginning and 257.9 MB in the end (delta: 100.7 MB). Free memory was 69.0 MB in the beginning and 156.1 MB in the end (delta: -87.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,071 INFO L168 Benchmark]: Witness Printer took 158.84 ms. Allocated memory is still 257.9 MB. Free memory was 156.1 MB in the beginning and 145.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:01,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 157.3 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.69 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 110.2 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 104.91 ms. Allocated memory is still 157.3 MB. Free memory was 110.2 MB in the beginning and 138.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.26 ms. Allocated memory is still 157.3 MB. Free memory was 138.7 MB in the beginning and 136.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1453.25 ms. Allocated memory is still 157.3 MB. Free memory was 136.1 MB in the beginning and 69.5 MB in the end (delta: 66.6 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8261.37 ms. Allocated memory was 157.3 MB in the beginning and 257.9 MB in the end (delta: 100.7 MB). Free memory was 69.0 MB in the beginning and 156.1 MB in the end (delta: -87.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * Witness Printer took 158.84 ms. Allocated memory is still 257.9 MB. Free memory was 156.1 MB in the beginning and 145.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 518]: 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: 649]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && 1 <= pumpRunning) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((((tmp == 1 && 1 <= pumpRunning) && 1 < tmp) && tmp <= 2) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((tmp == 1 && waterLevel == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= \result) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((tmp == 1 && 1 <= pumpRunning) && 1 <= switchedOnBeforeTS) && 1 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 <= pumpRunning) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1108 SDtfs, 1648 SDslu, 1513 SDs, 0 SdLazy, 280 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred 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, 637 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 1015 HoareAnnotationTreeSize, 51 FomulaSimplifications, 79438 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 19361 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 30093 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 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...