/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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:35,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:35,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:35,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:35,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:35,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:35,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:35,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:35,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:35,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:35,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:35,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:35,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:35,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:35,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:35,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:35,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:35,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:35,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:35,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:35,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:35,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:35,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:35,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:35,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:35,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:35,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:35,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:35,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:35,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:35,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:35,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:35,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:35,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:35,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:35,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:35,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:35,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:35,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:35,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:35,454 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:35,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:35,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:35,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:35,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:35,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:35,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:35,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:35,461 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:35,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:35,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:35,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:35,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:35,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:35,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:35,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:35,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:35,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:35,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:35,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:35,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:35,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,948 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2020-12-22 06:57:36,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332505240/368bea196aa24cae8c2561afab47e16b/FLAG2183a5970 [2020-12-22 06:57:36,683 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2020-12-22 06:57:36,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332505240/368bea196aa24cae8c2561afab47e16b/FLAG2183a5970 [2020-12-22 06:57:37,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332505240/368bea196aa24cae8c2561afab47e16b [2020-12-22 06:57:37,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:37,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:37,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:37,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:37,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29adee0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37, skipping insertion in model container [2020-12-22 06:57:37,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:37,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:37,261 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_product39.cil.c[1281,1294] [2020-12-22 06:57:37,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,425 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:37,454 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_product39.cil.c[1281,1294] [2020-12-22 06:57:37,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,639 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,656 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 06:57:37,676 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 06:57:37,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,802 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 06:57:37,803 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 06:57:37,820 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 06:57:37,821 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 06:57:37,840 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 06:57:37,850 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 06:57:37,854 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 06:57:37,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:37,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:37,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:37,865 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 06:57:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:37,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:39,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:39,148 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2020-12-22 06:57:39,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39 BoogieIcfgContainer [2020-12-22 06:57:39,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:39,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:39,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:39,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:39,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:37" (1/3) ... [2020-12-22 06:57:39,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da3c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:39, skipping insertion in model container [2020-12-22 06:57:39,158 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 06:57:39,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da3c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:39, skipping insertion in model container [2020-12-22 06:57:39,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39" (3/3) ... [2020-12-22 06:57:39,160 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-12-22 06:57:39,167 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:39,173 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:39,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:39,222 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:39,223 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:39,223 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:39,223 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:39,223 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:39,223 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:39,224 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:39,224 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2020-12-22 06:57:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:39,251 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,251 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 06:57:39,252 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,258 INFO L82 PathProgramCache]: Analyzing trace with hash 570937186, now seen corresponding path program 1 times [2020-12-22 06:57:39,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326709335] [2020-12-22 06:57:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,618 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 06:57:39,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326709335] [2020-12-22 06:57:39,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088394483] [2020-12-22 06:57:39,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:39,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:39,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:39,644 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2020-12-22 06:57:39,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,683 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2020-12-22 06:57:39,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:39,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,698 INFO L225 Difference]: With dead ends: 237 [2020-12-22 06:57:39,698 INFO L226 Difference]: Without dead ends: 118 [2020-12-22 06:57:39,702 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 06:57:39,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-12-22 06:57:39,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-12-22 06:57:39,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-12-22 06:57:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2020-12-22 06:57:39,754 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2020-12-22 06:57:39,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,755 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2020-12-22 06:57:39,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2020-12-22 06:57:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:39,757 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,757 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 06:57:39,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:39,757 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1918010557, now seen corresponding path program 1 times [2020-12-22 06:57:39,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270857391] [2020-12-22 06:57:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,908 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 06:57:39,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270857391] [2020-12-22 06:57:39,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059172836] [2020-12-22 06:57:39,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,913 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand 3 states. [2020-12-22 06:57:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,929 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2020-12-22 06:57:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,932 INFO L225 Difference]: With dead ends: 118 [2020-12-22 06:57:39,932 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:57:39,933 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 06:57:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:57:39,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:57:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:57:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-22 06:57:39,941 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-12-22 06:57:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,941 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-22 06:57:39,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-22 06:57:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:39,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,943 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 06:57:39,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:39,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash 333982465, now seen corresponding path program 1 times [2020-12-22 06:57:39,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641233733] [2020-12-22 06:57:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,062 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 06:57:40,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641233733] [2020-12-22 06:57:40,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927046125] [2020-12-22 06:57:40,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,071 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2020-12-22 06:57:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,112 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2020-12-22 06:57:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:40,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,115 INFO L225 Difference]: With dead ends: 139 [2020-12-22 06:57:40,115 INFO L226 Difference]: Without dead ends: 95 [2020-12-22 06:57:40,116 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 06:57:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-22 06:57:40,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2020-12-22 06:57:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-12-22 06:57:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2020-12-22 06:57:40,133 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2020-12-22 06:57:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,134 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2020-12-22 06:57:40,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,134 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2020-12-22 06:57:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:40,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:40,136 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,137 INFO L82 PathProgramCache]: Analyzing trace with hash 139090872, now seen corresponding path program 1 times [2020-12-22 06:57:40,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799276616] [2020-12-22 06:57:40,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,227 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 06:57:40,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799276616] [2020-12-22 06:57:40,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168415935] [2020-12-22 06:57:40,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,235 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand 3 states. [2020-12-22 06:57:40,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,323 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2020-12-22 06:57:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:40,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,326 INFO L225 Difference]: With dead ends: 222 [2020-12-22 06:57:40,326 INFO L226 Difference]: Without dead ends: 138 [2020-12-22 06:57:40,327 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 06:57:40,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-12-22 06:57:40,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2020-12-22 06:57:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-12-22 06:57:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2020-12-22 06:57:40,355 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2020-12-22 06:57:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,355 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2020-12-22 06:57:40,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2020-12-22 06:57:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:40,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,357 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 06:57:40,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:40,358 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,358 INFO L82 PathProgramCache]: Analyzing trace with hash 65503050, now seen corresponding path program 1 times [2020-12-22 06:57:40,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021596288] [2020-12-22 06:57:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,478 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 06:57:40,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021596288] [2020-12-22 06:57:40,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:40,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939288167] [2020-12-22 06:57:40,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,482 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand 5 states. [2020-12-22 06:57:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,750 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2020-12-22 06:57:40,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,755 INFO L225 Difference]: With dead ends: 475 [2020-12-22 06:57:40,756 INFO L226 Difference]: Without dead ends: 346 [2020-12-22 06:57:40,757 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 06:57:40,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-12-22 06:57:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2020-12-22 06:57:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-22 06:57:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2020-12-22 06:57:40,783 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2020-12-22 06:57:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,784 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2020-12-22 06:57:40,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2020-12-22 06:57:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,786 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:40,786 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,787 INFO L82 PathProgramCache]: Analyzing trace with hash -755991289, now seen corresponding path program 1 times [2020-12-22 06:57:40,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283204258] [2020-12-22 06:57:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,875 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 06:57:40,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283204258] [2020-12-22 06:57:40,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132576592] [2020-12-22 06:57:40,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,881 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand 5 states. [2020-12-22 06:57:41,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,108 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2020-12-22 06:57:41,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:41,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:41,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,117 INFO L225 Difference]: With dead ends: 363 [2020-12-22 06:57:41,117 INFO L226 Difference]: Without dead ends: 236 [2020-12-22 06:57:41,120 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 06:57:41,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-12-22 06:57:41,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2020-12-22 06:57:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-12-22 06:57:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2020-12-22 06:57:41,162 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2020-12-22 06:57:41,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,163 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2020-12-22 06:57:41,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2020-12-22 06:57:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:41,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,165 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 06:57:41,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:41,166 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,166 INFO L82 PathProgramCache]: Analyzing trace with hash -54926711, now seen corresponding path program 1 times [2020-12-22 06:57:41,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553002672] [2020-12-22 06:57:41,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,234 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 06:57:41,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553002672] [2020-12-22 06:57:41,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:41,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238982531] [2020-12-22 06:57:41,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:41,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:41,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:41,238 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 4 states. [2020-12-22 06:57:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,314 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2020-12-22 06:57:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:41,315 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:57:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,317 INFO L225 Difference]: With dead ends: 351 [2020-12-22 06:57:41,317 INFO L226 Difference]: Without dead ends: 212 [2020-12-22 06:57:41,318 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 06:57:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-22 06:57:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2020-12-22 06:57:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-12-22 06:57:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2020-12-22 06:57:41,340 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2020-12-22 06:57:41,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,341 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2020-12-22 06:57:41,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2020-12-22 06:57:41,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:41,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,343 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 06:57:41,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:41,344 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,345 INFO L82 PathProgramCache]: Analyzing trace with hash -641732725, now seen corresponding path program 1 times [2020-12-22 06:57:41,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71719684] [2020-12-22 06:57:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,409 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 06:57:41,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71719684] [2020-12-22 06:57:41,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:41,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859395978] [2020-12-22 06:57:41,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:41,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:41,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:41,415 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand 3 states. [2020-12-22 06:57:41,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,467 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2020-12-22 06:57:41,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:41,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:41,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,469 INFO L225 Difference]: With dead ends: 359 [2020-12-22 06:57:41,470 INFO L226 Difference]: Without dead ends: 212 [2020-12-22 06:57:41,470 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 06:57:41,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-12-22 06:57:41,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-12-22 06:57:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-12-22 06:57:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2020-12-22 06:57:41,491 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2020-12-22 06:57:41,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,491 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2020-12-22 06:57:41,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2020-12-22 06:57:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:41,493 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:41,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:41,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:41,494 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:41,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:41,495 INFO L82 PathProgramCache]: Analyzing trace with hash -2037678901, now seen corresponding path program 1 times [2020-12-22 06:57:41,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:41,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873363778] [2020-12-22 06:57:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,697 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 06:57:41,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873363778] [2020-12-22 06:57:41,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:41,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:41,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483327211] [2020-12-22 06:57:41,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:41,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:41,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:41,707 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand 7 states. [2020-12-22 06:57:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,231 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2020-12-22 06:57:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:42,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:42,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,239 INFO L225 Difference]: With dead ends: 1039 [2020-12-22 06:57:42,239 INFO L226 Difference]: Without dead ends: 892 [2020-12-22 06:57:42,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:42,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-12-22 06:57:42,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2020-12-22 06:57:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-12-22 06:57:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2020-12-22 06:57:42,289 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2020-12-22 06:57:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,289 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2020-12-22 06:57:42,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2020-12-22 06:57:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:42,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,295 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:42,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:42,296 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1173197201, now seen corresponding path program 1 times [2020-12-22 06:57:42,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062050405] [2020-12-22 06:57:42,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:57:42,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062050405] [2020-12-22 06:57:42,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:42,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:42,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999245479] [2020-12-22 06:57:42,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:42,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:42,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:42,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:42,372 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand 3 states. [2020-12-22 06:57:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,490 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2020-12-22 06:57:42,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:42,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 06:57:42,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,500 INFO L225 Difference]: With dead ends: 447 [2020-12-22 06:57:42,500 INFO L226 Difference]: Without dead ends: 186 [2020-12-22 06:57:42,502 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 06:57:42,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-12-22 06:57:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-12-22 06:57:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-12-22 06:57:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 235 transitions. [2020-12-22 06:57:42,520 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 235 transitions. Word has length 54 [2020-12-22 06:57:42,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,521 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 235 transitions. [2020-12-22 06:57:42,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2020-12-22 06:57:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:57:42,522 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:42,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:57:42,523 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash 463651681, now seen corresponding path program 1 times [2020-12-22 06:57:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486149692] [2020-12-22 06:57:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,632 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 06:57:42,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486149692] [2020-12-22 06:57:42,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602436282] [2020-12-22 06:57:42,633 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 06:57:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:42,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:43,094 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 06:57:43,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:43,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:43,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785495425] [2020-12-22 06:57:43,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:43,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:43,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:43,098 INFO L87 Difference]: Start difference. First operand 186 states and 235 transitions. Second operand 9 states. [2020-12-22 06:57:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,385 INFO L93 Difference]: Finished difference Result 426 states and 551 transitions. [2020-12-22 06:57:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:57:43,386 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-12-22 06:57:43,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,386 INFO L225 Difference]: With dead ends: 426 [2020-12-22 06:57:43,386 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:43,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:57:43,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:43,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:43,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:57:43,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,389 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:43,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:43,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:43,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:43,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 06:57:43,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:44,130 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 86 [2020-12-22 06:57:44,510 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2020-12-22 06:57:44,617 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 13 [2020-12-22 06:57:44,809 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-12-22 06:57:45,103 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-12-22 06:57:45,281 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2020-12-22 06:57:45,453 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2020-12-22 06:57:45,689 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 29 [2020-12-22 06:57:45,871 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-12-22 06:57:46,072 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2020-12-22 06:57:46,221 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-12-22 06:57:46,492 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2020-12-22 06:57:46,606 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,606 INFO L189 CegarLoopUtils]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L169-1(lines 169 186) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L169-2(lines 169 186) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L964(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,607 INFO L189 CegarLoopUtils]: For program point L964-1(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,608 INFO L189 CegarLoopUtils]: For program point L964-2(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,608 INFO L189 CegarLoopUtils]: For program point L964-3(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,608 INFO L189 CegarLoopUtils]: For program point L964-4(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,608 INFO L189 CegarLoopUtils]: For program point L964-5(lines 964 970) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-3(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-5(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-6(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-8(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-9(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,609 INFO L189 CegarLoopUtils]: For program point L271-11(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,610 INFO L189 CegarLoopUtils]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-12-22 06:57:46,610 INFO L189 CegarLoopUtils]: For program point L271-12(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,610 INFO L189 CegarLoopUtils]: For program point L271-14(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,611 INFO L189 CegarLoopUtils]: For program point L271-15(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,611 INFO L189 CegarLoopUtils]: For program point L271-17(lines 271 275) no Hoare annotation was computed. [2020-12-22 06:57:46,611 INFO L189 CegarLoopUtils]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-12-22 06:57:46,612 INFO L189 CegarLoopUtils]: For program point L173-1(lines 173 181) no Hoare annotation was computed. [2020-12-22 06:57:46,612 INFO L189 CegarLoopUtils]: For program point L173-2(lines 173 181) no Hoare annotation was computed. [2020-12-22 06:57:46,613 INFO L189 CegarLoopUtils]: For program point L438(lines 438 451) no Hoare annotation was computed. [2020-12-22 06:57:46,613 INFO L185 CegarLoopUtils]: At program point L472(lines 467 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,614 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,614 INFO L185 CegarLoopUtils]: At program point L76(lines 1 973) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,614 INFO L185 CegarLoopUtils]: At program point L308-2(lines 308 322) the Hoare annotation is: false [2020-12-22 06:57:46,614 INFO L189 CegarLoopUtils]: For program point L143(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,614 INFO L189 CegarLoopUtils]: For program point L143-1(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,614 INFO L189 CegarLoopUtils]: For program point L143-2(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,614 INFO L189 CegarLoopUtils]: For program point L143-3(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,615 INFO L189 CegarLoopUtils]: For program point L143-4(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,615 INFO L189 CegarLoopUtils]: For program point L143-5(lines 143 160) no Hoare annotation was computed. [2020-12-22 06:57:46,615 INFO L185 CegarLoopUtils]: At program point L969(lines 960 973) the Hoare annotation is: false [2020-12-22 06:57:46,615 INFO L185 CegarLoopUtils]: At program point L969-1(lines 960 973) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-12-22 06:57:46,615 INFO L185 CegarLoopUtils]: At program point L969-2(lines 960 973) the Hoare annotation is: false [2020-12-22 06:57:46,615 INFO L185 CegarLoopUtils]: At program point L969-3(lines 960 973) the Hoare annotation is: false [2020-12-22 06:57:46,615 INFO L185 CegarLoopUtils]: At program point L969-4(lines 960 973) the Hoare annotation is: false [2020-12-22 06:57:46,616 INFO L185 CegarLoopUtils]: At program point L969-5(lines 960 973) the Hoare annotation is: false [2020-12-22 06:57:46,616 INFO L189 CegarLoopUtils]: For program point L309(line 309) no Hoare annotation was computed. [2020-12-22 06:57:46,618 INFO L185 CegarLoopUtils]: At program point L111(lines 107 129) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3))) [2020-12-22 06:57:46,623 INFO L185 CegarLoopUtils]: At program point L111-1(lines 107 129) the Hoare annotation is: false [2020-12-22 06:57:46,623 INFO L185 CegarLoopUtils]: At program point L111-2(lines 107 129) the Hoare annotation is: false [2020-12-22 06:57:46,623 INFO L189 CegarLoopUtils]: For program point L409(lines 408 455) no Hoare annotation was computed. [2020-12-22 06:57:46,623 INFO L185 CegarLoopUtils]: At program point L277(lines 262 280) the Hoare annotation is: false [2020-12-22 06:57:46,624 INFO L185 CegarLoopUtils]: At program point L277-1(lines 262 280) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)))) [2020-12-22 06:57:46,624 INFO L185 CegarLoopUtils]: At program point L277-2(lines 262 280) the Hoare annotation is: false [2020-12-22 06:57:46,624 INFO L185 CegarLoopUtils]: At program point L277-3(lines 262 280) the Hoare annotation is: false [2020-12-22 06:57:46,626 INFO L185 CegarLoopUtils]: At program point L277-4(lines 262 280) the Hoare annotation is: false [2020-12-22 06:57:46,626 INFO L185 CegarLoopUtils]: At program point L277-5(lines 262 280) the Hoare annotation is: false [2020-12-22 06:57:46,626 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,626 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,626 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,626 INFO L189 CegarLoopUtils]: For program point L410(lines 410 414) no Hoare annotation was computed. [2020-12-22 06:57:46,627 INFO L189 CegarLoopUtils]: For program point L444(lines 444 450) no Hoare annotation was computed. [2020-12-22 06:57:46,627 INFO L185 CegarLoopUtils]: At program point L444-1(lines 444 450) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:46,627 INFO L189 CegarLoopUtils]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-12-22 06:57:46,627 INFO L189 CegarLoopUtils]: For program point L312-1(lines 312 316) no Hoare annotation was computed. [2020-12-22 06:57:46,627 INFO L185 CegarLoopUtils]: At program point L213(lines 206 216) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:46,627 INFO L185 CegarLoopUtils]: At program point L213-1(lines 206 216) the Hoare annotation is: false [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L185 CegarLoopUtils]: At program point L213-2(lines 206 216) the Hoare annotation is: false [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147-1(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147-2(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147-3(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147-4(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L189 CegarLoopUtils]: For program point L147-5(lines 147 155) no Hoare annotation was computed. [2020-12-22 06:57:46,628 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L118(lines 118 124) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L118-1(lines 118 124) the Hoare annotation is: false [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L118-2(lines 118 124) the Hoare annotation is: false [2020-12-22 06:57:46,629 INFO L189 CegarLoopUtils]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L482(lines 111 117) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L482-1(lines 111 117) the Hoare annotation is: false [2020-12-22 06:57:46,629 INFO L185 CegarLoopUtils]: At program point L482-2(lines 111 117) the Hoare annotation is: false [2020-12-22 06:57:46,630 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,630 INFO L189 CegarLoopUtils]: For program point L384(lines 384 391) no Hoare annotation was computed. [2020-12-22 06:57:46,630 INFO L192 CegarLoopUtils]: At program point L384-1(lines 384 391) the Hoare annotation is: true [2020-12-22 06:57:46,630 INFO L189 CegarLoopUtils]: For program point L285(lines 285 291) no Hoare annotation was computed. [2020-12-22 06:57:46,630 INFO L185 CegarLoopUtils]: At program point L285-1(lines 285 291) the Hoare annotation is: (and (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:46,630 INFO L189 CegarLoopUtils]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-12-22 06:57:46,630 INFO L185 CegarLoopUtils]: At program point L418-1(lines 418 424) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222(lines 217 225) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (or (<= ~waterLevel~0 1) .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~systemActive~0) .cse6 .cse7 .cse4) (and .cse5 .cse3 .cse6 .cse7 .cse4) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse5 .cse3 .cse4)))) [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222-1(lines 217 225) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0))) (.cse4 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse4 .cse3))) [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222-2(lines 217 225) the Hoare annotation is: false [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222-3(lines 217 225) the Hoare annotation is: false [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222-4(lines 217 225) the Hoare annotation is: false [2020-12-22 06:57:46,631 INFO L185 CegarLoopUtils]: At program point L222-5(lines 217 225) the Hoare annotation is: false [2020-12-22 06:57:46,632 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,632 INFO L185 CegarLoopUtils]: At program point L456(lines 407 457) the Hoare annotation is: false [2020-12-22 06:57:46,633 INFO L185 CegarLoopUtils]: At program point L358(lines 354 360) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,633 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,633 INFO L189 CegarLoopUtils]: For program point L887(lines 887 891) no Hoare annotation was computed. [2020-12-22 06:57:46,633 INFO L189 CegarLoopUtils]: For program point L887-3(lines 887 891) no Hoare annotation was computed. [2020-12-22 06:57:46,634 INFO L189 CegarLoopUtils]: For program point L887-6(lines 887 891) no Hoare annotation was computed. [2020-12-22 06:57:46,634 INFO L192 CegarLoopUtils]: At program point L393(lines 374 396) the Hoare annotation is: true [2020-12-22 06:57:46,634 INFO L189 CegarLoopUtils]: For program point L493(lines 493 510) no Hoare annotation was computed. [2020-12-22 06:57:46,634 INFO L185 CegarLoopUtils]: At program point L493-1(lines 1 973) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5 2) .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-12-22 06:57:46,634 INFO L189 CegarLoopUtils]: For program point L493-2(lines 493 510) no Hoare annotation was computed. [2020-12-22 06:57:46,634 INFO L185 CegarLoopUtils]: At program point L493-3(lines 1 973) the Hoare annotation is: false [2020-12-22 06:57:46,634 INFO L189 CegarLoopUtils]: For program point L493-4(lines 493 510) no Hoare annotation was computed. [2020-12-22 06:57:46,635 INFO L185 CegarLoopUtils]: At program point L493-5(lines 1 973) the Hoare annotation is: false [2020-12-22 06:57:46,635 INFO L185 CegarLoopUtils]: At program point L956(lines 951 959) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (or (<= ~waterLevel~0 1) .cse5)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse1 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2))))) [2020-12-22 06:57:46,635 INFO L185 CegarLoopUtils]: At program point L956-1(lines 951 959) the Hoare annotation is: false [2020-12-22 06:57:46,635 INFO L185 CegarLoopUtils]: At program point L956-2(lines 951 959) the Hoare annotation is: false [2020-12-22 06:57:46,635 INFO L189 CegarLoopUtils]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-12-22 06:57:46,635 INFO L185 CegarLoopUtils]: At program point L428-1(lines 428 434) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (or (<= ~waterLevel~0 1) .cse1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse5 .cse3) (and .cse4 (= 0 ~systemActive~0) .cse5 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3)))) [2020-12-22 06:57:46,635 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,636 INFO L185 CegarLoopUtils]: At program point L924(lines 919 927) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:46,636 INFO L185 CegarLoopUtils]: At program point L924-1(lines 919 927) the Hoare annotation is: false [2020-12-22 06:57:46,636 INFO L185 CegarLoopUtils]: At program point L924-2(lines 919 927) the Hoare annotation is: false [2020-12-22 06:57:46,636 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:46,636 INFO L189 CegarLoopUtils]: For program point L497(lines 497 507) no Hoare annotation was computed. [2020-12-22 06:57:46,636 INFO L189 CegarLoopUtils]: For program point L497-2(lines 497 507) no Hoare annotation was computed. [2020-12-22 06:57:46,636 INFO L189 CegarLoopUtils]: For program point L497-4(lines 497 507) no Hoare annotation was computed. [2020-12-22 06:57:46,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:46 BoogieIcfgContainer [2020-12-22 06:57:46,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:46,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:46,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:46,705 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:46,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:39" (3/4) ... [2020-12-22 06:57:46,710 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:46,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:46,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:46,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:46,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:46,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:46,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:46,755 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:46,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-12-22 06:57:46,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,796 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,798 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-12-22 06:57:46,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:46,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 [2020-12-22 06:57:46,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:46,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:46,808 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) [2020-12-22 06:57:46,890 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product39.cil.c-witness.graphml [2020-12-22 06:57:46,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:46,891 INFO L168 Benchmark]: Toolchain (without parser) took 9876.35 ms. Allocated memory was 167.8 MB in the beginning and 242.2 MB in the end (delta: 74.4 MB). Free memory was 142.2 MB in the beginning and 102.1 MB in the end (delta: 40.1 MB). Peak memory consumption was 114.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,891 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 167.8 MB. Free memory is still 141.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:46,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.38 ms. Allocated memory is still 167.8 MB. Free memory was 142.0 MB in the beginning and 119.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.84 ms. Allocated memory is still 167.8 MB. Free memory was 119.9 MB in the beginning and 148.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,893 INFO L168 Benchmark]: Boogie Preprocessor took 79.23 ms. Allocated memory is still 167.8 MB. Free memory was 148.5 MB in the beginning and 145.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,893 INFO L168 Benchmark]: RCFGBuilder took 1286.95 ms. Allocated memory is still 167.8 MB. Free memory was 145.3 MB in the beginning and 81.9 MB in the end (delta: 63.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,893 INFO L168 Benchmark]: TraceAbstraction took 7545.39 ms. Allocated memory was 167.8 MB in the beginning and 242.2 MB in the end (delta: 74.4 MB). Free memory was 81.9 MB in the beginning and 112.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 75.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,894 INFO L168 Benchmark]: Witness Printer took 191.63 ms. Allocated memory is still 242.2 MB. Free memory was 112.6 MB in the beginning and 102.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:46,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 167.8 MB. Free memory is still 141.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 623.38 ms. Allocated memory is still 167.8 MB. Free memory was 142.0 MB in the beginning and 119.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 140.84 ms. Allocated memory is still 167.8 MB. Free memory was 119.9 MB in the beginning and 148.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.23 ms. Allocated memory is still 167.8 MB. Free memory was 148.5 MB in the beginning and 145.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1286.95 ms. Allocated memory is still 167.8 MB. Free memory was 145.3 MB in the beginning and 81.9 MB in the end (delta: 63.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7545.39 ms. Allocated memory was 167.8 MB in the beginning and 242.2 MB in the end (delta: 74.4 MB). Free memory was 81.9 MB in the beginning and 112.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 75.8 MB. Max. memory is 8.0 GB. * Witness Printer took 191.63 ms. Allocated memory is still 242.2 MB. Free memory was 112.6 MB in the beginning and 102.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 || 2 == waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && tmp == 2) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((waterLevel <= 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel <= 1 || 2 == waterLevel) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel <= 1 || 2 == waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((waterLevel <= 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 122 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1151 SDtfs, 1254 SDslu, 1631 SDs, 0 SdLazy, 268 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 886 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 896 HoareAnnotationTreeSize, 51 FomulaSimplifications, 53167 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 6767 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 425 NumberOfCodeBlocks, 425 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 34808 SizeOfPredicates, 3 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 29/47 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...