/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:34,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:34,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:34,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:34,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:34,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:34,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:34,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:34,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:34,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:34,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:34,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:34,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:34,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:34,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:34,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:34,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:34,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:34,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:34,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:34,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:34,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:34,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:34,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:34,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:57:34,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:57:34,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:57:34,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:57:34,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:57:34,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:57:34,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:34,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:34,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:34,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:34,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:34,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:34,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:34,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:34,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:34,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:34,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:34,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:34,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:34,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:34,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:34,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:34,998 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:34,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:34,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:34,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:34,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:34,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:35,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:35,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:35,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:35,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:35,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:35,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:35,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:35,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:35,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:35,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:35,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:35,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:35,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:35,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:35,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:35,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,449 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-12-22 06:57:35,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2874049/414f1e4cca2a4647b3d0726fbf401347/FLAG80ce3a893 [2020-12-22 06:57:36,259 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2020-12-22 06:57:36,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2874049/414f1e4cca2a4647b3d0726fbf401347/FLAG80ce3a893 [2020-12-22 06:57:36,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2874049/414f1e4cca2a4647b3d0726fbf401347 [2020-12-22 06:57:36,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:36,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:36,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:36,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:36,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:36,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a3cc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:36, skipping insertion in model container [2020-12-22 06:57:36,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:36,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:36,858 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_product35.cil.c[1281,1294] [2020-12-22 06:57:37,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,057 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:37,087 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_product35.cil.c[1281,1294] [2020-12-22 06:57:37,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,298 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:37,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:37,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:37,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (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 06:57:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:38,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:38,672 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2020-12-22 06:57:38,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38 BoogieIcfgContainer [2020-12-22 06:57:38,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:38,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:38,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:38,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:38,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:36" (1/3) ... [2020-12-22 06:57:38,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154c277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (2/3) ... [2020-12-22 06:57:38,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154c277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/3) ... [2020-12-22 06:57:38,685 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-12-22 06:57:38,692 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:38,698 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:38,727 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:38,756 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:38,757 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:38,757 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:38,757 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:38,757 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:38,757 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:38,758 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:38,758 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-12-22 06:57:38,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:38,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:38,786 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 06:57:38,786 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:38,793 INFO L82 PathProgramCache]: Analyzing trace with hash -950357280, now seen corresponding path program 1 times [2020-12-22 06:57:38,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:38,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685196200] [2020-12-22 06:57:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,138 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 06:57:39,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685196200] [2020-12-22 06:57:39,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811046804] [2020-12-22 06:57:39,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:39,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:39,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:39,166 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2020-12-22 06:57:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,198 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2020-12-22 06:57:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:39,200 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,213 INFO L225 Difference]: With dead ends: 171 [2020-12-22 06:57:39,213 INFO L226 Difference]: Without dead ends: 85 [2020-12-22 06:57:39,219 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 06:57:39,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-22 06:57:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-22 06:57:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2020-12-22 06:57:39,279 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2020-12-22 06:57:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,279 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2020-12-22 06:57:39,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2020-12-22 06:57:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:39,281 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,281 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 06:57:39,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:39,282 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,283 INFO L82 PathProgramCache]: Analyzing trace with hash -552380079, now seen corresponding path program 1 times [2020-12-22 06:57:39,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605026772] [2020-12-22 06:57:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,415 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 06:57:39,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605026772] [2020-12-22 06:57:39,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691364018] [2020-12-22 06:57:39,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,420 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand 3 states. [2020-12-22 06:57:39,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,433 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2020-12-22 06:57:39,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:39,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,435 INFO L225 Difference]: With dead ends: 85 [2020-12-22 06:57:39,435 INFO L226 Difference]: Without dead ends: 40 [2020-12-22 06:57:39,437 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 06:57:39,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-22 06:57:39,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-22 06:57:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-22 06:57:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2020-12-22 06:57:39,444 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2020-12-22 06:57:39,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,444 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2020-12-22 06:57:39,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-12-22 06:57:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:39,445 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,446 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 06:57:39,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:39,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,447 INFO L82 PathProgramCache]: Analyzing trace with hash 483095041, now seen corresponding path program 1 times [2020-12-22 06:57:39,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137090054] [2020-12-22 06:57:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,573 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 06:57:39,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137090054] [2020-12-22 06:57:39,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626288372] [2020-12-22 06:57:39,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,586 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand 3 states. [2020-12-22 06:57:39,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,620 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2020-12-22 06:57:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:39,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,625 INFO L225 Difference]: With dead ends: 106 [2020-12-22 06:57:39,626 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:57:39,627 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 06:57:39,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:57:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-12-22 06:57:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-22 06:57:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 100 transitions. [2020-12-22 06:57:39,642 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 100 transitions. Word has length 26 [2020-12-22 06:57:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,643 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 100 transitions. [2020-12-22 06:57:39,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 100 transitions. [2020-12-22 06:57:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:39,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:39,645 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2057617797, now seen corresponding path program 1 times [2020-12-22 06:57:39,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059144450] [2020-12-22 06:57:39,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,735 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 06:57:39,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059144450] [2020-12-22 06:57:39,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849444893] [2020-12-22 06:57:39,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,740 INFO L87 Difference]: Start difference. First operand 69 states and 100 transitions. Second operand 3 states. [2020-12-22 06:57:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,816 INFO L93 Difference]: Finished difference Result 178 states and 263 transitions. [2020-12-22 06:57:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:39,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,819 INFO L225 Difference]: With dead ends: 178 [2020-12-22 06:57:39,819 INFO L226 Difference]: Without dead ends: 116 [2020-12-22 06:57:39,820 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 06:57:39,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-22 06:57:39,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-12-22 06:57:39,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-22 06:57:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2020-12-22 06:57:39,841 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 27 [2020-12-22 06:57:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,841 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2020-12-22 06:57:39,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2020-12-22 06:57:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:39,843 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:39,844 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,845 INFO L82 PathProgramCache]: Analyzing trace with hash 214615626, now seen corresponding path program 1 times [2020-12-22 06:57:39,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019970447] [2020-12-22 06:57:39,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,936 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 06:57:39,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019970447] [2020-12-22 06:57:39,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:39,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464212748] [2020-12-22 06:57:39,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:39,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:39,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:39,939 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand 5 states. [2020-12-22 06:57:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,086 INFO L93 Difference]: Finished difference Result 405 states and 585 transitions. [2020-12-22 06:57:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:40,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,089 INFO L225 Difference]: With dead ends: 405 [2020-12-22 06:57:40,089 INFO L226 Difference]: Without dead ends: 298 [2020-12-22 06:57:40,091 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 06:57:40,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-12-22 06:57:40,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 112. [2020-12-22 06:57:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-22 06:57:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2020-12-22 06:57:40,115 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 29 [2020-12-22 06:57:40,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,116 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2020-12-22 06:57:40,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2020-12-22 06:57:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,118 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] [2020-12-22 06:57:40,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:40,118 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1855288842, now seen corresponding path program 1 times [2020-12-22 06:57:40,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446119137] [2020-12-22 06:57:40,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,198 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 06:57:40,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446119137] [2020-12-22 06:57:40,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478101347] [2020-12-22 06:57:40,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,201 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand 5 states. [2020-12-22 06:57:40,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,254 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-12-22 06:57:40,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:40,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,256 INFO L225 Difference]: With dead ends: 304 [2020-12-22 06:57:40,256 INFO L226 Difference]: Without dead ends: 199 [2020-12-22 06:57:40,257 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 06:57:40,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-22 06:57:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 118. [2020-12-22 06:57:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-22 06:57:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2020-12-22 06:57:40,286 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 33 [2020-12-22 06:57:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,287 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2020-12-22 06:57:40,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2020-12-22 06:57:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,289 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] [2020-12-22 06:57:40,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:40,290 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1738613876, now seen corresponding path program 1 times [2020-12-22 06:57:40,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564631634] [2020-12-22 06:57:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,354 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 06:57:40,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564631634] [2020-12-22 06:57:40,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:40,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608148968] [2020-12-22 06:57:40,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:40,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:40,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:40,357 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand 4 states. [2020-12-22 06:57:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,396 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2020-12-22 06:57:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:40,397 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:57:40,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,399 INFO L225 Difference]: With dead ends: 283 [2020-12-22 06:57:40,399 INFO L226 Difference]: Without dead ends: 172 [2020-12-22 06:57:40,401 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 06:57:40,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-22 06:57:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 122. [2020-12-22 06:57:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-22 06:57:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 168 transitions. [2020-12-22 06:57:40,437 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 168 transitions. Word has length 33 [2020-12-22 06:57:40,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,437 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 168 transitions. [2020-12-22 06:57:40,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:40,438 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 168 transitions. [2020-12-22 06:57:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,444 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,445 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] [2020-12-22 06:57:40,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:40,446 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1969547406, now seen corresponding path program 1 times [2020-12-22 06:57:40,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838975657] [2020-12-22 06:57:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,547 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 06:57:40,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838975657] [2020-12-22 06:57:40,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948593229] [2020-12-22 06:57:40,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,550 INFO L87 Difference]: Start difference. First operand 122 states and 168 transitions. Second operand 3 states. [2020-12-22 06:57:40,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,603 INFO L93 Difference]: Finished difference Result 293 states and 402 transitions. [2020-12-22 06:57:40,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:57:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,605 INFO L225 Difference]: With dead ends: 293 [2020-12-22 06:57:40,606 INFO L226 Difference]: Without dead ends: 178 [2020-12-22 06:57:40,607 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 06:57:40,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-12-22 06:57:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2020-12-22 06:57:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-12-22 06:57:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 237 transitions. [2020-12-22 06:57:40,629 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 237 transitions. Word has length 33 [2020-12-22 06:57:40,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,629 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 237 transitions. [2020-12-22 06:57:40,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2020-12-22 06:57:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,637 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,638 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 06:57:40,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:40,638 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,639 INFO L82 PathProgramCache]: Analyzing trace with hash -430787762, now seen corresponding path program 1 times [2020-12-22 06:57:40,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327877894] [2020-12-22 06:57:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,839 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 06:57:40,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327877894] [2020-12-22 06:57:40,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:40,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031690140] [2020-12-22 06:57:40,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:40,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:40,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:40,850 INFO L87 Difference]: Start difference. First operand 178 states and 237 transitions. Second operand 7 states. [2020-12-22 06:57:41,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,133 INFO L93 Difference]: Finished difference Result 855 states and 1180 transitions. [2020-12-22 06:57:41,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:41,134 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-22 06:57:41,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,139 INFO L225 Difference]: With dead ends: 855 [2020-12-22 06:57:41,139 INFO L226 Difference]: Without dead ends: 740 [2020-12-22 06:57:41,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:41,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-12-22 06:57:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 310. [2020-12-22 06:57:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-22 06:57:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 415 transitions. [2020-12-22 06:57:41,179 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 415 transitions. Word has length 34 [2020-12-22 06:57:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,180 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 415 transitions. [2020-12-22 06:57:41,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 415 transitions. [2020-12-22 06:57:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:57:41,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,181 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] [2020-12-22 06:57:41,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:41,182 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,182 INFO L82 PathProgramCache]: Analyzing trace with hash -915518735, now seen corresponding path program 1 times [2020-12-22 06:57:41,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537476892] [2020-12-22 06:57:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:41,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537476892] [2020-12-22 06:57:41,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484381696] [2020-12-22 06:57:41,264 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 06:57:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:41,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:41,540 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 06:57:41,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:41,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:41,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575008490] [2020-12-22 06:57:41,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:41,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:41,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:41,543 INFO L87 Difference]: Start difference. First operand 310 states and 415 transitions. Second operand 9 states. [2020-12-22 06:57:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,957 INFO L93 Difference]: Finished difference Result 621 states and 837 transitions. [2020-12-22 06:57:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:57:41,958 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-12-22 06:57:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,958 INFO L225 Difference]: With dead ends: 621 [2020-12-22 06:57:41,958 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:41,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:41,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:41,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:41,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-22 06:57:41,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,961 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:41,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:41,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:42,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:42,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:42,308 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-12-22 06:57:42,440 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-12-22 06:57:43,216 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 20 [2020-12-22 06:57:43,391 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-12-22 06:57:43,560 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 13 [2020-12-22 06:57:43,723 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2020-12-22 06:57:43,885 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-12-22 06:57:44,019 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2020-12-22 06:57:44,237 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2020-12-22 06:57:44,484 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2020-12-22 06:57:44,705 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2020-12-22 06:57:44,919 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 21 [2020-12-22 06:57:45,049 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 18 [2020-12-22 06:57:45,101 INFO L189 CegarLoopUtils]: For program point L927(lines 927 944) no Hoare annotation was computed. [2020-12-22 06:57:45,102 INFO L185 CegarLoopUtils]: At program point L927-1(lines 1 947) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2)))) [2020-12-22 06:57:45,102 INFO L189 CegarLoopUtils]: For program point L927-2(lines 927 944) no Hoare annotation was computed. [2020-12-22 06:57:45,102 INFO L185 CegarLoopUtils]: At program point L927-3(lines 1 947) the Hoare annotation is: false [2020-12-22 06:57:45,102 INFO L189 CegarLoopUtils]: For program point L927-4(lines 927 944) no Hoare annotation was computed. [2020-12-22 06:57:45,102 INFO L185 CegarLoopUtils]: At program point L927-5(lines 1 947) the Hoare annotation is: false [2020-12-22 06:57:45,103 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,103 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,103 INFO L192 CegarLoopUtils]: At program point L152(lines 133 155) the Hoare annotation is: true [2020-12-22 06:57:45,103 INFO L185 CegarLoopUtils]: At program point L747(lines 747 753) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-22 06:57:45,103 INFO L189 CegarLoopUtils]: For program point L714(lines 714 720) no Hoare annotation was computed. [2020-12-22 06:57:45,103 INFO L185 CegarLoopUtils]: At program point L747-1(lines 747 753) the Hoare annotation is: false [2020-12-22 06:57:45,104 INFO L189 CegarLoopUtils]: For program point L714-1(lines 714 720) no Hoare annotation was computed. [2020-12-22 06:57:45,104 INFO L185 CegarLoopUtils]: At program point L747-2(lines 747 753) the Hoare annotation is: false [2020-12-22 06:57:45,104 INFO L189 CegarLoopUtils]: For program point L714-2(lines 714 720) no Hoare annotation was computed. [2020-12-22 06:57:45,104 INFO L189 CegarLoopUtils]: For program point L599(lines 599 612) no Hoare annotation was computed. [2020-12-22 06:57:45,104 INFO L185 CegarLoopUtils]: At program point L880(lines 865 883) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:57:45,104 INFO L185 CegarLoopUtils]: At program point L880-1(lines 865 883) the Hoare annotation is: false [2020-12-22 06:57:45,105 INFO L185 CegarLoopUtils]: At program point L880-2(lines 865 883) the Hoare annotation is: false [2020-12-22 06:57:45,105 INFO L189 CegarLoopUtils]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-12-22 06:57:45,105 INFO L185 CegarLoopUtils]: At program point L617(lines 568 618) the Hoare annotation is: false [2020-12-22 06:57:45,105 INFO L189 CegarLoopUtils]: For program point L931(lines 931 941) no Hoare annotation was computed. [2020-12-22 06:57:45,105 INFO L189 CegarLoopUtils]: For program point L931-2(lines 931 941) no Hoare annotation was computed. [2020-12-22 06:57:45,105 INFO L189 CegarLoopUtils]: For program point L931-4(lines 931 941) no Hoare annotation was computed. [2020-12-22 06:57:45,106 INFO L189 CegarLoopUtils]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:57:45,106 INFO L189 CegarLoopUtils]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:57:45,106 INFO L189 CegarLoopUtils]: For program point L932-4(lines 932 938) no Hoare annotation was computed. [2020-12-22 06:57:45,106 INFO L185 CegarLoopUtils]: At program point L916(lines 740 746) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-12-22 06:57:45,106 INFO L185 CegarLoopUtils]: At program point L916-1(lines 740 746) the Hoare annotation is: false [2020-12-22 06:57:45,106 INFO L185 CegarLoopUtils]: At program point L916-2(lines 740 746) the Hoare annotation is: false [2020-12-22 06:57:45,106 INFO L185 CegarLoopUtils]: At program point L553(lines 548 556) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,107 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,107 INFO L189 CegarLoopUtils]: For program point L570(lines 569 616) no Hoare annotation was computed. [2020-12-22 06:57:45,107 INFO L185 CegarLoopUtils]: At program point L719(lines 710 723) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:57:45,107 INFO L185 CegarLoopUtils]: At program point L719-1(lines 710 723) the Hoare annotation is: false [2020-12-22 06:57:45,107 INFO L185 CegarLoopUtils]: At program point L719-2(lines 710 723) the Hoare annotation is: false [2020-12-22 06:57:45,107 INFO L189 CegarLoopUtils]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-12-22 06:57:45,107 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2020-12-22 06:57:45,107 INFO L189 CegarLoopUtils]: For program point L637-3(lines 637 641) no Hoare annotation was computed. [2020-12-22 06:57:45,108 INFO L189 CegarLoopUtils]: For program point L637-6(lines 637 641) no Hoare annotation was computed. [2020-12-22 06:57:45,108 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,108 INFO L189 CegarLoopUtils]: For program point L605(lines 605 611) no Hoare annotation was computed. [2020-12-22 06:57:45,108 INFO L185 CegarLoopUtils]: At program point L605-1(lines 605 611) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-22 06:57:45,108 INFO L189 CegarLoopUtils]: For program point L143(lines 143 150) no Hoare annotation was computed. [2020-12-22 06:57:45,108 INFO L192 CegarLoopUtils]: At program point L143-1(lines 143 150) the Hoare annotation is: true [2020-12-22 06:57:45,108 INFO L189 CegarLoopUtils]: For program point L589(lines 589 595) no Hoare annotation was computed. [2020-12-22 06:57:45,109 INFO L185 CegarLoopUtils]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-22 06:57:45,109 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,109 INFO L189 CegarLoopUtils]: For program point L772(lines 772 789) no Hoare annotation was computed. [2020-12-22 06:57:45,109 INFO L189 CegarLoopUtils]: For program point L772-1(lines 772 789) no Hoare annotation was computed. [2020-12-22 06:57:45,109 INFO L185 CegarLoopUtils]: At program point L706(lines 701 709) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2) (and .cse3 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse2)))) [2020-12-22 06:57:45,109 INFO L189 CegarLoopUtils]: For program point L772-2(lines 772 789) no Hoare annotation was computed. [2020-12-22 06:57:45,110 INFO L185 CegarLoopUtils]: At program point L706-1(lines 701 709) the Hoare annotation is: false [2020-12-22 06:57:45,110 INFO L185 CegarLoopUtils]: At program point L706-2(lines 701 709) the Hoare annotation is: false [2020-12-22 06:57:45,110 INFO L189 CegarLoopUtils]: For program point L888(lines 888 894) no Hoare annotation was computed. [2020-12-22 06:57:45,110 INFO L185 CegarLoopUtils]: At program point L888-1(lines 888 894) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:45,110 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,110 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,110 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,111 INFO L185 CegarLoopUtils]: At program point L740(lines 736 758) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-12-22 06:57:45,111 INFO L185 CegarLoopUtils]: At program point L740-1(lines 736 758) the Hoare annotation is: false [2020-12-22 06:57:45,111 INFO L185 CegarLoopUtils]: At program point L740-2(lines 736 758) the Hoare annotation is: false [2020-12-22 06:57:45,111 INFO L185 CegarLoopUtils]: At program point L63-2(lines 63 77) the Hoare annotation is: false [2020-12-22 06:57:45,111 INFO L185 CegarLoopUtils]: At program point L906(lines 901 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,111 INFO L189 CegarLoopUtils]: For program point L64(line 64) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L185 CegarLoopUtils]: At program point L114(lines 110 116) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874-3(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874-5(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874-6(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L874-8(lines 874 878) no Hoare annotation was computed. [2020-12-22 06:57:45,112 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:45,113 INFO L185 CegarLoopUtils]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse4 (= 2 ~waterLevel~0))) (let ((.cse0 (or (<= ~waterLevel~0 1) .cse4)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1)))) [2020-12-22 06:57:45,113 INFO L185 CegarLoopUtils]: At program point L825-1(lines 820 828) the Hoare annotation is: (let ((.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1))) [2020-12-22 06:57:45,113 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:45,113 INFO L185 CegarLoopUtils]: At program point L825-2(lines 820 828) the Hoare annotation is: false [2020-12-22 06:57:45,113 INFO L185 CegarLoopUtils]: At program point L825-3(lines 820 828) the Hoare annotation is: false [2020-12-22 06:57:45,114 INFO L185 CegarLoopUtils]: At program point L825-4(lines 820 828) the Hoare annotation is: false [2020-12-22 06:57:45,114 INFO L185 CegarLoopUtils]: At program point L825-5(lines 820 828) the Hoare annotation is: false [2020-12-22 06:57:45,114 INFO L189 CegarLoopUtils]: For program point L776(lines 776 784) no Hoare annotation was computed. [2020-12-22 06:57:45,114 INFO L189 CegarLoopUtils]: For program point L776-1(lines 776 784) no Hoare annotation was computed. [2020-12-22 06:57:45,114 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2020-12-22 06:57:45,114 INFO L185 CegarLoopUtils]: At program point L545(lines 1 947) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:45,114 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-12-22 06:57:45,114 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:57:45,115 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:45,115 INFO L185 CegarLoopUtils]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0))) (let ((.cse1 (or (<= ~waterLevel~0 1) .cse3)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2) (and .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 .cse2)))) [2020-12-22 06:57:45,115 INFO L189 CegarLoopUtils]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:57:45,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:45 BoogieIcfgContainer [2020-12-22 06:57:45,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:45,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:45,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:45,144 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:45,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/4) ... [2020-12-22 06:57:45,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:45,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:45,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:45,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:45,170 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:45,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:45,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:45,204 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:45,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:45,205 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:45,206 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:45,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:45,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-22 06:57:45,207 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:45,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:45,208 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-22 06:57:45,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:45,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) [2020-12-22 06:57:45,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:45,281 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product35.cil.c-witness.graphml [2020-12-22 06:57:45,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:45,283 INFO L168 Benchmark]: Toolchain (without parser) took 8704.10 ms. Allocated memory was 167.8 MB in the beginning and 247.5 MB in the end (delta: 79.7 MB). Free memory was 141.5 MB in the beginning and 109.1 MB in the end (delta: 32.4 MB). Peak memory consumption was 113.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,283 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 167.8 MB. Free memory is still 140.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:45,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.18 ms. Allocated memory is still 167.8 MB. Free memory was 141.1 MB in the beginning and 120.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.57 ms. Allocated memory is still 167.8 MB. Free memory was 119.8 MB in the beginning and 116.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,284 INFO L168 Benchmark]: Boogie Preprocessor took 45.61 ms. Allocated memory is still 167.8 MB. Free memory was 116.8 MB in the beginning and 114.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,284 INFO L168 Benchmark]: RCFGBuilder took 1204.11 ms. Allocated memory is still 167.8 MB. Free memory was 114.4 MB in the beginning and 95.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,285 INFO L168 Benchmark]: TraceAbstraction took 6466.30 ms. Allocated memory was 167.8 MB in the beginning and 247.5 MB in the end (delta: 79.7 MB). Free memory was 94.7 MB in the beginning and 116.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 95.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,285 INFO L168 Benchmark]: Witness Printer took 137.75 ms. Allocated memory is still 247.5 MB. Free memory was 116.4 MB in the beginning and 109.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:45,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 167.8 MB. Free memory is still 140.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 720.18 ms. Allocated memory is still 167.8 MB. Free memory was 141.1 MB in the beginning and 120.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 121.57 ms. Allocated memory is still 167.8 MB. Free memory was 119.8 MB in the beginning and 116.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.61 ms. Allocated memory is still 167.8 MB. Free memory was 116.8 MB in the beginning and 114.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1204.11 ms. Allocated memory is still 167.8 MB. Free memory was 114.4 MB in the beginning and 95.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6466.30 ms. Allocated memory was 167.8 MB in the beginning and 247.5 MB in the end (delta: 79.7 MB). Free memory was 94.7 MB in the beginning and 116.4 MB in the end (delta: -21.7 MB). Peak memory consumption was 95.3 MB. Max. memory is 8.0 GB. * Witness Printer took 137.75 ms. Allocated memory is still 247.5 MB. Free memory was 116.4 MB in the beginning and 109.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 736]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && splverifierCounter == 0) && \result == 2) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 || 2 == waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 2 == waterLevel) && \result == 2) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && splverifierCounter == 0) || (((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((2 == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 847 SDtfs, 1142 SDslu, 1332 SDs, 0 SdLazy, 231 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred 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, 753 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 182 NumberOfFragments, 568 HoareAnnotationTreeSize, 39 FomulaSimplifications, 38477 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 9378 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 27835 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 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...