/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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:48,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:48,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:48,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:48,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:48,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:48,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:48,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:48,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:48,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:48,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:48,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:48,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:48,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:48,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:48,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:48,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:48,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:48,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:48,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:48,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:48,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:48,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:48,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:48,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:48,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:48,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:48,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:48,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:48,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:48,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:48,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:48,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:48,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:48,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:48,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:48,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:48,515 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:48,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:48,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:48,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:48,521 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:48,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:48,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:48,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:48,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:48,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:48,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:48,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:48,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:48,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:48,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:48,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:48,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:48,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:48,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:48,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:48,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:48,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:48,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:48,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:48,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:48,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:48,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:48,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:49,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:49,004 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:49,005 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:49,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-12-22 06:57:49,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e119d29/78e282c2d3ac45eab48cbe1b8edc8458/FLAGad057706a [2020-12-22 06:57:49,761 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:49,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2020-12-22 06:57:49,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e119d29/78e282c2d3ac45eab48cbe1b8edc8458/FLAGad057706a [2020-12-22 06:57:50,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78e119d29/78e282c2d3ac45eab48cbe1b8edc8458 [2020-12-22 06:57:50,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:50,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:50,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:50,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:50,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279e4674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50, skipping insertion in model container [2020-12-22 06:57:50,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:50,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:50,467 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_product51.cil.c[18161,18174] [2020-12-22 06:57:50,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,485 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:50,584 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_product51.cil.c[18161,18174] [2020-12-22 06:57:50,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,644 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:50,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50 WrapperNode [2020-12-22 06:57:50,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:50,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:50,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:50,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:50,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:50,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:50,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:50,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:52,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:52,321 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2020-12-22 06:57:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52 BoogieIcfgContainer [2020-12-22 06:57:52,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:52,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:52,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:52,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:52,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:50" (1/3) ... [2020-12-22 06:57:52,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39047ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (2/3) ... [2020-12-22 06:57:52,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39047ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/3) ... [2020-12-22 06:57:52,333 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2020-12-22 06:57:52,340 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:52,346 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:52,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:52,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:52,398 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:52,398 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:52,398 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:52,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:52,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:52,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:52,399 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-12-22 06:57:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:52,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,428 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1681835383, now seen corresponding path program 1 times [2020-12-22 06:57:52,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734242479] [2020-12-22 06:57:52,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,835 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 06:57:52,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734242479] [2020-12-22 06:57:52,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:52,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722025369] [2020-12-22 06:57:52,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:52,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:52,861 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2020-12-22 06:57:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,900 INFO L93 Difference]: Finished difference Result 249 states and 376 transitions. [2020-12-22 06:57:52,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:52,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,916 INFO L225 Difference]: With dead ends: 249 [2020-12-22 06:57:52,916 INFO L226 Difference]: Without dead ends: 124 [2020-12-22 06:57:52,920 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 06:57:52,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-12-22 06:57:52,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-12-22 06:57:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:57:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2020-12-22 06:57:52,973 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 19 [2020-12-22 06:57:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,973 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2020-12-22 06:57:52,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2020-12-22 06:57:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:52,975 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,975 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 06:57:52,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:52,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,977 INFO L82 PathProgramCache]: Analyzing trace with hash 124184170, now seen corresponding path program 1 times [2020-12-22 06:57:52,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549976296] [2020-12-22 06:57:52,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549976296] [2020-12-22 06:57:53,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:53,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537875582] [2020-12-22 06:57:53,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,115 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand 3 states. [2020-12-22 06:57:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,154 INFO L93 Difference]: Finished difference Result 124 states and 180 transitions. [2020-12-22 06:57:53,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:53,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,157 INFO L225 Difference]: With dead ends: 124 [2020-12-22 06:57:53,158 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:57:53,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:57:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:57:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:57:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:57:53,178 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 20 [2020-12-22 06:57:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,179 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:57:53,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:57:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:53,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:53,184 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1773395585, now seen corresponding path program 1 times [2020-12-22 06:57:53,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589358202] [2020-12-22 06:57:53,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589358202] [2020-12-22 06:57:53,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888123390] [2020-12-22 06:57:53,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,283 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-12-22 06:57:53,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,309 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-12-22 06:57:53,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,312 INFO L225 Difference]: With dead ends: 145 [2020-12-22 06:57:53,312 INFO L226 Difference]: Without dead ends: 99 [2020-12-22 06:57:53,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-12-22 06:57:53,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-12-22 06:57:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-22 06:57:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2020-12-22 06:57:53,327 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 26 [2020-12-22 06:57:53,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,327 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2020-12-22 06:57:53,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2020-12-22 06:57:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:53,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:53,330 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1811224639, now seen corresponding path program 1 times [2020-12-22 06:57:53,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772045895] [2020-12-22 06:57:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772045895] [2020-12-22 06:57:53,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206392700] [2020-12-22 06:57:53,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,415 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand 3 states. [2020-12-22 06:57:53,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,493 INFO L93 Difference]: Finished difference Result 230 states and 343 transitions. [2020-12-22 06:57:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:53,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,496 INFO L225 Difference]: With dead ends: 230 [2020-12-22 06:57:53,497 INFO L226 Difference]: Without dead ends: 142 [2020-12-22 06:57:53,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-12-22 06:57:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2020-12-22 06:57:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:57:53,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 202 transitions. [2020-12-22 06:57:53,514 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 202 transitions. Word has length 28 [2020-12-22 06:57:53,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,515 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 202 transitions. [2020-12-22 06:57:53,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 202 transitions. [2020-12-22 06:57:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:53,516 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:53,517 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1504916170, now seen corresponding path program 1 times [2020-12-22 06:57:53,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382282442] [2020-12-22 06:57:53,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382282442] [2020-12-22 06:57:53,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:53,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888987050] [2020-12-22 06:57:53,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,655 INFO L87 Difference]: Start difference. First operand 140 states and 202 transitions. Second operand 5 states. [2020-12-22 06:57:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,999 INFO L93 Difference]: Finished difference Result 487 states and 703 transitions. [2020-12-22 06:57:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:54,000 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:54,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,003 INFO L225 Difference]: With dead ends: 487 [2020-12-22 06:57:54,003 INFO L226 Difference]: Without dead ends: 354 [2020-12-22 06:57:54,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:54,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-12-22 06:57:54,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 138. [2020-12-22 06:57:54,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-22 06:57:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 196 transitions. [2020-12-22 06:57:54,028 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 196 transitions. Word has length 29 [2020-12-22 06:57:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,029 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 196 transitions. [2020-12-22 06:57:54,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 196 transitions. [2020-12-22 06:57:54,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,031 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:54,031 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1415533294, now seen corresponding path program 1 times [2020-12-22 06:57:54,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343383298] [2020-12-22 06:57:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343383298] [2020-12-22 06:57:54,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:54,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438720066] [2020-12-22 06:57:54,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,132 INFO L87 Difference]: Start difference. First operand 138 states and 196 transitions. Second operand 5 states. [2020-12-22 06:57:54,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,374 INFO L93 Difference]: Finished difference Result 371 states and 521 transitions. [2020-12-22 06:57:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:54,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:54,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,377 INFO L225 Difference]: With dead ends: 371 [2020-12-22 06:57:54,378 INFO L226 Difference]: Without dead ends: 240 [2020-12-22 06:57:54,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:54,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-22 06:57:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 150. [2020-12-22 06:57:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-22 06:57:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 208 transitions. [2020-12-22 06:57:54,419 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 208 transitions. Word has length 34 [2020-12-22 06:57:54,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,422 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 208 transitions. [2020-12-22 06:57:54,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2020-12-22 06:57:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:54,428 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2116597872, now seen corresponding path program 1 times [2020-12-22 06:57:54,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524328746] [2020-12-22 06:57:54,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524328746] [2020-12-22 06:57:54,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:54,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962267096] [2020-12-22 06:57:54,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,542 INFO L87 Difference]: Start difference. First operand 150 states and 208 transitions. Second operand 5 states. [2020-12-22 06:57:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,711 INFO L93 Difference]: Finished difference Result 414 states and 564 transitions. [2020-12-22 06:57:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:54,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,714 INFO L225 Difference]: With dead ends: 414 [2020-12-22 06:57:54,714 INFO L226 Difference]: Without dead ends: 271 [2020-12-22 06:57:54,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:54,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-12-22 06:57:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 158. [2020-12-22 06:57:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-22 06:57:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 216 transitions. [2020-12-22 06:57:54,730 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 216 transitions. Word has length 34 [2020-12-22 06:57:54,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,730 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 216 transitions. [2020-12-22 06:57:54,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2020-12-22 06:57:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,732 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:54,733 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1529791858, now seen corresponding path program 1 times [2020-12-22 06:57:54,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470760772] [2020-12-22 06:57:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470760772] [2020-12-22 06:57:54,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:54,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212167518] [2020-12-22 06:57:54,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,797 INFO L87 Difference]: Start difference. First operand 158 states and 216 transitions. Second operand 3 states. [2020-12-22 06:57:54,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,846 INFO L93 Difference]: Finished difference Result 367 states and 500 transitions. [2020-12-22 06:57:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:54,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,848 INFO L225 Difference]: With dead ends: 367 [2020-12-22 06:57:54,849 INFO L226 Difference]: Without dead ends: 216 [2020-12-22 06:57:54,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-12-22 06:57:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-12-22 06:57:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-22 06:57:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 287 transitions. [2020-12-22 06:57:54,872 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 287 transitions. Word has length 34 [2020-12-22 06:57:54,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,873 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 287 transitions. [2020-12-22 06:57:54,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 287 transitions. [2020-12-22 06:57:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:54,874 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:54,875 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,876 INFO L82 PathProgramCache]: Analyzing trace with hash 133845682, now seen corresponding path program 1 times [2020-12-22 06:57:54,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827139534] [2020-12-22 06:57:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,023 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 06:57:55,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827139534] [2020-12-22 06:57:55,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:55,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:55,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129146363] [2020-12-22 06:57:55,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:55,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:55,026 INFO L87 Difference]: Start difference. First operand 216 states and 287 transitions. Second operand 7 states. [2020-12-22 06:57:55,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,597 INFO L93 Difference]: Finished difference Result 1063 states and 1448 transitions. [2020-12-22 06:57:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:55,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:55,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,605 INFO L225 Difference]: With dead ends: 1063 [2020-12-22 06:57:55,605 INFO L226 Difference]: Without dead ends: 912 [2020-12-22 06:57:55,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-12-22 06:57:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 380. [2020-12-22 06:57:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-12-22 06:57:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 503 transitions. [2020-12-22 06:57:55,662 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 503 transitions. Word has length 35 [2020-12-22 06:57:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,667 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 503 transitions. [2020-12-22 06:57:55,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 503 transitions. [2020-12-22 06:57:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:55,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,671 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 06:57:55,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:55,671 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,672 INFO L82 PathProgramCache]: Analyzing trace with hash 376283960, now seen corresponding path program 1 times [2020-12-22 06:57:55,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746466741] [2020-12-22 06:57:55,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,750 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 06:57:55,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746466741] [2020-12-22 06:57:55,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:55,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:55,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125221413] [2020-12-22 06:57:55,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:55,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:55,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:55,756 INFO L87 Difference]: Start difference. First operand 380 states and 503 transitions. Second operand 3 states. [2020-12-22 06:57:55,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,836 INFO L93 Difference]: Finished difference Result 455 states and 601 transitions. [2020-12-22 06:57:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:55,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-22 06:57:55,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,839 INFO L225 Difference]: With dead ends: 455 [2020-12-22 06:57:55,839 INFO L226 Difference]: Without dead ends: 190 [2020-12-22 06:57:55,840 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 06:57:55,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-12-22 06:57:55,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-12-22 06:57:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 06:57:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 241 transitions. [2020-12-22 06:57:55,857 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 241 transitions. Word has length 54 [2020-12-22 06:57:55,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,858 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 241 transitions. [2020-12-22 06:57:55,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2020-12-22 06:57:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:57:55,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,859 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:55,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:57:55,859 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,860 INFO L82 PathProgramCache]: Analyzing trace with hash 767046238, now seen corresponding path program 1 times [2020-12-22 06:57:55,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330770469] [2020-12-22 06:57:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:56,009 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 06:57:56,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330770469] [2020-12-22 06:57:56,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661999885] [2020-12-22 06:57:56,010 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 06:57:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:56,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:56,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:56,560 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 06:57:56,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:56,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:56,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161042694] [2020-12-22 06:57:56,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:56,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:56,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:56,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:56,563 INFO L87 Difference]: Start difference. First operand 190 states and 241 transitions. Second operand 9 states. [2020-12-22 06:57:56,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:56,931 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2020-12-22 06:57:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:57:56,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-12-22 06:57:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:56,934 INFO L225 Difference]: With dead ends: 434 [2020-12-22 06:57:56,934 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:56,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 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 06:57:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:56,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:57:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:56,937 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:56,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:56,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:57,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 06:57:57,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:57,331 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-12-22 06:57:58,330 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2020-12-22 06:57:58,626 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 24 [2020-12-22 06:57:58,812 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2020-12-22 06:57:59,204 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2020-12-22 06:57:59,319 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 22 [2020-12-22 06:57:59,612 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-12-22 06:58:00,070 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2020-12-22 06:58:00,218 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 18 [2020-12-22 06:58:00,540 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2020-12-22 06:58:00,945 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 26 [2020-12-22 06:58:01,271 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 30 [2020-12-22 06:58:01,575 WARN L197 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2020-12-22 06:58:01,855 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 10 [2020-12-22 06:58:01,872 INFO L189 CegarLoopUtils]: For program point L101-4(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,872 INFO L189 CegarLoopUtils]: For program point L101-5(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,872 INFO L189 CegarLoopUtils]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-12-22 06:58:01,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,873 INFO L185 CegarLoopUtils]: At program point L432(lines 383 433) the Hoare annotation is: false [2020-12-22 06:58:01,873 INFO L185 CegarLoopUtils]: At program point L961(lines 956 963) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:58:01,873 INFO L192 CegarLoopUtils]: At program point L369(lines 350 372) the Hoare annotation is: true [2020-12-22 06:58:01,873 INFO L185 CegarLoopUtils]: At program point L72(lines 72 78) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,873 INFO L185 CegarLoopUtils]: At program point L72-1(lines 72 78) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L72-2(lines 72 78) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931(lines 922 935) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931-1(lines 922 935) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931-2(lines 922 935) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931-3(lines 922 935) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931-4(lines 922 935) the Hoare annotation is: false [2020-12-22 06:58:01,874 INFO L185 CegarLoopUtils]: At program point L931-5(lines 922 935) the Hoare annotation is: false [2020-12-22 06:58:01,875 INFO L189 CegarLoopUtils]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-12-22 06:58:01,875 INFO L185 CegarLoopUtils]: At program point L404-1(lines 404 410) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,875 INFO L185 CegarLoopUtils]: At program point L471(lines 466 474) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:58:01,875 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,876 INFO L185 CegarLoopUtils]: At program point L176(lines 171 179) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse6 .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse4 .cse2 .cse3))) [2020-12-22 06:58:01,876 INFO L185 CegarLoopUtils]: At program point L176-1(lines 171 179) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3))) [2020-12-22 06:58:01,876 INFO L185 CegarLoopUtils]: At program point L176-2(lines 171 179) the Hoare annotation is: false [2020-12-22 06:58:01,876 INFO L185 CegarLoopUtils]: At program point L176-3(lines 171 179) the Hoare annotation is: false [2020-12-22 06:58:01,876 INFO L185 CegarLoopUtils]: At program point L176-4(lines 171 179) the Hoare annotation is: false [2020-12-22 06:58:01,877 INFO L185 CegarLoopUtils]: At program point L176-5(lines 171 179) the Hoare annotation is: false [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,877 INFO L189 CegarLoopUtils]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L971(lines 65 71) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse2 .cse3))) [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L971-1(lines 65 71) the Hoare annotation is: false [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L971-2(lines 65 71) the Hoare annotation is: false [2020-12-22 06:58:01,878 INFO L189 CegarLoopUtils]: For program point L873(lines 873 877) no Hoare annotation was computed. [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L941(lines 936 944) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2020-12-22 06:58:01,878 INFO L185 CegarLoopUtils]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2020-12-22 06:58:01,879 INFO L185 CegarLoopUtils]: At program point L281-2(lines 281 295) the Hoare annotation is: false [2020-12-22 06:58:01,879 INFO L189 CegarLoopUtils]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-12-22 06:58:01,879 INFO L189 CegarLoopUtils]: For program point L282(line 282) no Hoare annotation was computed. [2020-12-22 06:58:01,879 INFO L185 CegarLoopUtils]: At program point L250(lines 235 253) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:58:01,879 INFO L185 CegarLoopUtils]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2020-12-22 06:58:01,879 INFO L185 CegarLoopUtils]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2020-12-22 06:58:01,879 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2020-12-22 06:58:01,880 INFO L189 CegarLoopUtils]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-12-22 06:58:01,881 INFO L185 CegarLoopUtils]: At program point L420-1(lines 420 426) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,881 INFO L189 CegarLoopUtils]: For program point L123(lines 123 140) no Hoare annotation was computed. [2020-12-22 06:58:01,881 INFO L189 CegarLoopUtils]: For program point L123-1(lines 123 140) no Hoare annotation was computed. [2020-12-22 06:58:01,881 INFO L189 CegarLoopUtils]: For program point L123-2(lines 123 140) no Hoare annotation was computed. [2020-12-22 06:58:01,881 INFO L189 CegarLoopUtils]: For program point L982(lines 982 999) no Hoare annotation was computed. [2020-12-22 06:58:01,881 INFO L185 CegarLoopUtils]: At program point L982-1(lines 1 1002) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3) (and .cse4 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse3))) [2020-12-22 06:58:01,882 INFO L189 CegarLoopUtils]: For program point L982-2(lines 982 999) no Hoare annotation was computed. [2020-12-22 06:58:01,882 INFO L185 CegarLoopUtils]: At program point L982-3(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:58:01,882 INFO L189 CegarLoopUtils]: For program point L982-4(lines 982 999) no Hoare annotation was computed. [2020-12-22 06:58:01,882 INFO L185 CegarLoopUtils]: At program point L982-5(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:58:01,882 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:58:01,882 INFO L189 CegarLoopUtils]: For program point L950(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,882 INFO L189 CegarLoopUtils]: For program point L950-1(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,883 INFO L189 CegarLoopUtils]: For program point L950-2(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,883 INFO L185 CegarLoopUtils]: At program point L918(lines 913 921) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and .cse4 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3))) [2020-12-22 06:58:01,883 INFO L185 CegarLoopUtils]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2020-12-22 06:58:01,883 INFO L185 CegarLoopUtils]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2020-12-22 06:58:01,883 INFO L189 CegarLoopUtils]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-12-22 06:58:01,883 INFO L185 CegarLoopUtils]: At program point L258-1(lines 258 264) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-2(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-3(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-5(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-6(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-8(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-9(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,884 INFO L189 CegarLoopUtils]: For program point L225-11(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L225-12(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L225-14(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L225-15(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L225-17(lines 225 229) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L127(lines 127 135) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L127-1(lines 127 135) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point L127-2(lines 127 135) no Hoare annotation was computed. [2020-12-22 06:58:01,885 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L986(lines 986 996) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L986-2(lines 986 996) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L986-4(lines 986 996) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-12-22 06:58:01,886 INFO L189 CegarLoopUtils]: For program point L360(lines 360 367) no Hoare annotation was computed. [2020-12-22 06:58:01,887 INFO L192 CegarLoopUtils]: At program point L360-1(lines 360 367) the Hoare annotation is: true [2020-12-22 06:58:01,887 INFO L189 CegarLoopUtils]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-12-22 06:58:01,887 INFO L185 CegarLoopUtils]: At program point L394-1(lines 394 400) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse4 .cse2 .cse3) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,887 INFO L189 CegarLoopUtils]: For program point L97(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,887 INFO L189 CegarLoopUtils]: For program point L97-1(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,887 INFO L189 CegarLoopUtils]: For program point L97-2(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,887 INFO L189 CegarLoopUtils]: For program point L97-3(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,888 INFO L189 CegarLoopUtils]: For program point L97-4(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,888 INFO L189 CegarLoopUtils]: For program point L97-5(lines 97 114) no Hoare annotation was computed. [2020-12-22 06:58:01,888 INFO L185 CegarLoopUtils]: At program point L65(lines 61 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse2 .cse3))) [2020-12-22 06:58:01,888 INFO L185 CegarLoopUtils]: At program point L65-1(lines 61 83) the Hoare annotation is: false [2020-12-22 06:58:01,888 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:58:01,888 INFO L185 CegarLoopUtils]: At program point L65-2(lines 61 83) the Hoare annotation is: false [2020-12-22 06:58:01,889 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231(lines 216 234) the Hoare annotation is: false [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231-1(lines 216 234) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231-2(lines 216 234) the Hoare annotation is: false [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231-3(lines 216 234) the Hoare annotation is: false [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231-4(lines 216 234) the Hoare annotation is: false [2020-12-22 06:58:01,889 INFO L185 CegarLoopUtils]: At program point L231-5(lines 216 234) the Hoare annotation is: false [2020-12-22 06:58:01,890 INFO L185 CegarLoopUtils]: At program point L463(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:58:01,890 INFO L185 CegarLoopUtils]: At program point L331(lines 327 333) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:58:01,890 INFO L189 CegarLoopUtils]: For program point L926(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,890 INFO L189 CegarLoopUtils]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,890 INFO L189 CegarLoopUtils]: For program point L926-2(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,890 INFO L189 CegarLoopUtils]: For program point L926-3(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,890 INFO L189 CegarLoopUtils]: For program point L926-4(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,891 INFO L189 CegarLoopUtils]: For program point L926-5(lines 926 932) no Hoare annotation was computed. [2020-12-22 06:58:01,891 INFO L189 CegarLoopUtils]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,891 INFO L189 CegarLoopUtils]: For program point L101-1(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,891 INFO L189 CegarLoopUtils]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,891 INFO L189 CegarLoopUtils]: For program point L101-3(lines 101 109) no Hoare annotation was computed. [2020-12-22 06:58:01,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:58:01 BoogieIcfgContainer [2020-12-22 06:58:01,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:58:01,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:58:01,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:58:01,925 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:58:01,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/4) ... [2020-12-22 06:58:01,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:58:01,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:58:01,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:58:01,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:58:01,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:58:01,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:58:01,957 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:01,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:01,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) [2020-12-22 06:58:01,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-12-22 06:58:01,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:01,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 [2020-12-22 06:58:01,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:58:02,096 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product51.cil.c-witness.graphml [2020-12-22 06:58:02,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:58:02,098 INFO L168 Benchmark]: Toolchain (without parser) took 12026.21 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 125.3 MB in the beginning and 164.4 MB in the end (delta: -39.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,098 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:02,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.00 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 102.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 206.37 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 131.9 MB in the end (delta: -29.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,099 INFO L168 Benchmark]: Boogie Preprocessor took 64.36 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,099 INFO L168 Benchmark]: RCFGBuilder took 1404.67 ms. Allocated memory is still 151.0 MB. Free memory was 129.3 MB in the beginning and 64.7 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,100 INFO L168 Benchmark]: TraceAbstraction took 9599.19 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 64.2 MB in the beginning and 175.4 MB in the end (delta: -111.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,100 INFO L168 Benchmark]: Witness Printer took 171.49 ms. Allocated memory is still 219.2 MB. Free memory was 174.9 MB in the beginning and 164.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:02,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 572.00 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 102.9 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 206.37 ms. Allocated memory is still 151.0 MB. Free memory was 102.8 MB in the beginning and 131.9 MB in the end (delta: -29.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 64.36 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 129.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1404.67 ms. Allocated memory is still 151.0 MB. Free memory was 129.3 MB in the beginning and 64.7 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9599.19 ms. Allocated memory was 151.0 MB in the beginning and 219.2 MB in the end (delta: 68.2 MB). Free memory was 64.2 MB in the beginning and 175.4 MB in the end (delta: -111.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 8.0 GB. * Witness Printer took 171.49 ms. Allocated memory is still 219.2 MB. Free memory was 174.9 MB in the beginning and 164.4 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: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: 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: 420]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((!(tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((1 <= pumpRunning && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 128 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1190 SDtfs, 1534 SDslu, 1808 SDs, 0 SdLazy, 289 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=380occurred 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, 957 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 191 NumberOfFragments, 805 HoareAnnotationTreeSize, 51 FomulaSimplifications, 88865 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11328 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 37018 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 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...