/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:34,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:34,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:34,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:34,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:34,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:34,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:34,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:34,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:34,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:34,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:34,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:34,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:34,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:34,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:34,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:34,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:34,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:34,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:34,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:34,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:34,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:34,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:34,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:34,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:34,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:34,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:34,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:34,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:34,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:34,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:34,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:34,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:34,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:34,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:34,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:34,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:34,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:34,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:34,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:34,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:34,782 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:34,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:34,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:34,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:34,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:34,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:34,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:34,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:34,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:34,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:34,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:34,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:34,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:34,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:34,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:34,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:34,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:34,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:34,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:34,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:34,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:34,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:35,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:35,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:35,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:35,226 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:35,227 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:35,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-12-22 06:57:35,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fb8d2e/3613e5b2b7b04f7aa8974aeac39bbc0f/FLAGb1f4f51de [2020-12-22 06:57:36,110 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:36,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2020-12-22 06:57:36,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fb8d2e/3613e5b2b7b04f7aa8974aeac39bbc0f/FLAGb1f4f51de [2020-12-22 06:57:36,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787fb8d2e/3613e5b2b7b04f7aa8974aeac39bbc0f [2020-12-22 06:57:36,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:36,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:36,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:36,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:36,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:36,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e940b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:36, skipping insertion in model container [2020-12-22 06:57:36,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:36" (1/1) ... [2020-12-22 06:57:36,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:36,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:36,890 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_product33.cil.c[15846,15859] [2020-12-22 06:57:36,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:36,924 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:36,999 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_product33.cil.c[15846,15859] [2020-12-22 06:57:37,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:37,053 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:37,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37 WrapperNode [2020-12-22 06:57:37,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:37,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:37,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:37,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:37,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:37,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:37,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... [2020-12-22 06:57:37,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:37,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:37,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:37,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:37,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:37,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:37,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:38,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:38,374 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2020-12-22 06:57:38,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38 BoogieIcfgContainer [2020-12-22 06:57:38,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:38,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:38,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:38,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:38,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:36" (1/3) ... [2020-12-22 06:57:38,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43da3717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:37" (2/3) ... [2020-12-22 06:57:38,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43da3717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:38, skipping insertion in model container [2020-12-22 06:57:38,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/3) ... [2020-12-22 06:57:38,386 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-12-22 06:57:38,394 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:38,400 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:38,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:38,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:38,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:38,451 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:38,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:38,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:38,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:38,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:38,452 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-12-22 06:57:38,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:38,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:38,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:38,479 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:38,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:38,485 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2020-12-22 06:57:38,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:38,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874732988] [2020-12-22 06:57:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:38,782 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 06:57:38,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874732988] [2020-12-22 06:57:38,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:38,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:38,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270486159] [2020-12-22 06:57:38,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:38,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:38,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:38,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:38,809 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2020-12-22 06:57:38,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:38,842 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2020-12-22 06:57:38,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:38,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:38,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:38,860 INFO L225 Difference]: With dead ends: 167 [2020-12-22 06:57:38,860 INFO L226 Difference]: Without dead ends: 83 [2020-12-22 06:57:38,864 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 06:57:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-22 06:57:38,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-22 06:57:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2020-12-22 06:57:38,910 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2020-12-22 06:57:38,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:38,911 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2020-12-22 06:57:38,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-12-22 06:57:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:38,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:38,913 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 06:57:38,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:38,913 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:38,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2020-12-22 06:57:38,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:38,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980414257] [2020-12-22 06:57:38,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:39,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980414257] [2020-12-22 06:57:39,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:39,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198562034] [2020-12-22 06:57:39,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,073 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2020-12-22 06:57:39,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,099 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2020-12-22 06:57:39,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:39,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,102 INFO L225 Difference]: With dead ends: 83 [2020-12-22 06:57:39,103 INFO L226 Difference]: Without dead ends: 38 [2020-12-22 06:57:39,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-22 06:57:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-22 06:57:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 06:57:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2020-12-22 06:57:39,120 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2020-12-22 06:57:39,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,122 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2020-12-22 06:57:39,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2020-12-22 06:57:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:39,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:39,127 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2020-12-22 06:57:39,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503050756] [2020-12-22 06:57:39,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:39,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503050756] [2020-12-22 06:57:39,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952800789] [2020-12-22 06:57:39,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,278 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2020-12-22 06:57:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,287 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2020-12-22 06:57:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,289 INFO L225 Difference]: With dead ends: 69 [2020-12-22 06:57:39,289 INFO L226 Difference]: Without dead ends: 38 [2020-12-22 06:57:39,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-22 06:57:39,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-22 06:57:39,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 06:57:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2020-12-22 06:57:39,297 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2020-12-22 06:57:39,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,297 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2020-12-22 06:57:39,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,298 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2020-12-22 06:57:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:39,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:39,300 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2020-12-22 06:57:39,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429170206] [2020-12-22 06:57:39,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:39,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429170206] [2020-12-22 06:57:39,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:39,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765914756] [2020-12-22 06:57:39,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:39,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:39,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,449 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2020-12-22 06:57:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,480 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2020-12-22 06:57:39,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:39,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:39,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,482 INFO L225 Difference]: With dead ends: 93 [2020-12-22 06:57:39,483 INFO L226 Difference]: Without dead ends: 62 [2020-12-22 06:57:39,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:39,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-22 06:57:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-12-22 06:57:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:57:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-12-22 06:57:39,504 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2020-12-22 06:57:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,504 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-12-22 06:57:39,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-12-22 06:57:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:39,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:39,510 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2020-12-22 06:57:39,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885656583] [2020-12-22 06:57:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:39,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885656583] [2020-12-22 06:57:39,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:39,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932331015] [2020-12-22 06:57:39,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:39,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:39,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:39,653 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-12-22 06:57:39,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:39,729 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2020-12-22 06:57:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:39,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:39,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:39,732 INFO L225 Difference]: With dead ends: 157 [2020-12-22 06:57:39,732 INFO L226 Difference]: Without dead ends: 104 [2020-12-22 06:57:39,736 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 06:57:39,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-22 06:57:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2020-12-22 06:57:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:57:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-12-22 06:57:39,756 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2020-12-22 06:57:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:39,756 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-12-22 06:57:39,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-12-22 06:57:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:39,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:39,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:39,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:39,760 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:39,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2020-12-22 06:57:39,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:39,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125385326] [2020-12-22 06:57:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:39,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125385326] [2020-12-22 06:57:39,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:39,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:39,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495949113] [2020-12-22 06:57:39,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:39,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:39,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:39,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:39,904 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2020-12-22 06:57:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,043 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2020-12-22 06:57:40,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:40,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,045 INFO L225 Difference]: With dead ends: 216 [2020-12-22 06:57:40,046 INFO L226 Difference]: Without dead ends: 160 [2020-12-22 06:57:40,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-22 06:57:40,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-12-22 06:57:40,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-22 06:57:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2020-12-22 06:57:40,058 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2020-12-22 06:57:40,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,059 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2020-12-22 06:57:40,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2020-12-22 06:57:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:40,061 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2020-12-22 06:57:40,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955104948] [2020-12-22 06:57:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:40,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955104948] [2020-12-22 06:57:40,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:40,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314381886] [2020-12-22 06:57:40,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:40,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:40,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:40,133 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2020-12-22 06:57:40,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,210 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2020-12-22 06:57:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:40,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:40,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,212 INFO L225 Difference]: With dead ends: 164 [2020-12-22 06:57:40,212 INFO L226 Difference]: Without dead ends: 109 [2020-12-22 06:57:40,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:40,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-12-22 06:57:40,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2020-12-22 06:57:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-12-22 06:57:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2020-12-22 06:57:40,240 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2020-12-22 06:57:40,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,243 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2020-12-22 06:57:40,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-12-22 06:57:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:40,247 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:40,248 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2020-12-22 06:57:40,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277761503] [2020-12-22 06:57:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:40,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277761503] [2020-12-22 06:57:40,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:40,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131864217] [2020-12-22 06:57:40,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:40,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:40,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,347 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2020-12-22 06:57:40,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,372 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2020-12-22 06:57:40,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:40,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:57:40,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,373 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:57:40,374 INFO L226 Difference]: Without dead ends: 91 [2020-12-22 06:57:40,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:40,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-22 06:57:40,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-12-22 06:57:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-12-22 06:57:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2020-12-22 06:57:40,388 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2020-12-22 06:57:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,388 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2020-12-22 06:57:40,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2020-12-22 06:57:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:40,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,393 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:40,394 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,395 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2020-12-22 06:57:40,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140711808] [2020-12-22 06:57:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:40,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140711808] [2020-12-22 06:57:40,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:40,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:40,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961563337] [2020-12-22 06:57:40,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:40,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:40,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:40,524 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2020-12-22 06:57:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:40,769 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2020-12-22 06:57:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:40,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-22 06:57:40,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:40,772 INFO L225 Difference]: With dead ends: 420 [2020-12-22 06:57:40,772 INFO L226 Difference]: Without dead ends: 363 [2020-12-22 06:57:40,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:40,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-12-22 06:57:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2020-12-22 06:57:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:57:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2020-12-22 06:57:40,793 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2020-12-22 06:57:40,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:40,794 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2020-12-22 06:57:40,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:40,794 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2020-12-22 06:57:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:57:40,795 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:40,795 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:40,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:40,795 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:40,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:40,796 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2020-12-22 06:57:40,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:40,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348765252] [2020-12-22 06:57:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:40,877 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 06:57:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348765252] [2020-12-22 06:57:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923416732] [2020-12-22 06:57:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:41,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:41,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:41,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-22 06:57:41,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313447505] [2020-12-22 06:57:41,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 06:57:41,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:41,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 06:57:41,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:41,199 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2020-12-22 06:57:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:41,384 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2020-12-22 06:57:41,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:41,384 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-12-22 06:57:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:41,385 INFO L225 Difference]: With dead ends: 282 [2020-12-22 06:57:41,385 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:41,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:57:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:41,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:41,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-12-22 06:57:41,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:41,387 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:41,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 06:57:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:41,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:41,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:41,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:42,117 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-12-22 06:57:42,308 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2020-12-22 06:57:42,427 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2020-12-22 06:57:42,554 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:57:42,691 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-12-22 06:57:42,889 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2020-12-22 06:57:42,992 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2020-12-22 06:57:43,117 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2020-12-22 06:57:43,392 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-12-22 06:57:43,397 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,397 INFO L189 CegarLoopUtils]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-12-22 06:57:43,398 INFO L185 CegarLoopUtils]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-12-22 06:57:43,398 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:43,398 INFO L189 CegarLoopUtils]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,398 INFO L189 CegarLoopUtils]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,398 INFO L189 CegarLoopUtils]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,398 INFO L189 CegarLoopUtils]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,399 INFO L189 CegarLoopUtils]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,399 INFO L189 CegarLoopUtils]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:43,399 INFO L185 CegarLoopUtils]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse3 .cse5 .cse6 .cse4))) [2020-12-22 06:57:43,399 INFO L185 CegarLoopUtils]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-12-22 06:57:43,400 INFO L185 CegarLoopUtils]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2020-12-22 06:57:43,400 INFO L185 CegarLoopUtils]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2020-12-22 06:57:43,400 INFO L185 CegarLoopUtils]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2020-12-22 06:57:43,400 INFO L185 CegarLoopUtils]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2020-12-22 06:57:43,401 INFO L185 CegarLoopUtils]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse4) .cse1 .cse3) (and .cse6 .cse4 .cse1 .cse3 .cse5))) [2020-12-22 06:57:43,401 INFO L185 CegarLoopUtils]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2020-12-22 06:57:43,403 INFO L185 CegarLoopUtils]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2020-12-22 06:57:43,404 INFO L189 CegarLoopUtils]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-12-22 06:57:43,404 INFO L192 CegarLoopUtils]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2020-12-22 06:57:43,404 INFO L189 CegarLoopUtils]: For program point L533(lines 533 541) no Hoare annotation was computed. [2020-12-22 06:57:43,404 INFO L189 CegarLoopUtils]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2020-12-22 06:57:43,404 INFO L189 CegarLoopUtils]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2020-12-22 06:57:43,404 INFO L189 CegarLoopUtils]: For program point L913(lines 913 923) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L185 CegarLoopUtils]: At program point L468(lines 421 469) the Hoare annotation is: false [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L782(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,405 INFO L189 CegarLoopUtils]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2020-12-22 06:57:43,406 INFO L189 CegarLoopUtils]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,406 INFO L189 CegarLoopUtils]: For program point L782-2(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,406 INFO L189 CegarLoopUtils]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-12-22 06:57:43,409 INFO L185 CegarLoopUtils]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:57:43,410 INFO L185 CegarLoopUtils]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2020-12-22 06:57:43,410 INFO L185 CegarLoopUtils]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2020-12-22 06:57:43,410 INFO L185 CegarLoopUtils]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:43,410 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:43,410 INFO L185 CegarLoopUtils]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-12-22 06:57:43,411 INFO L185 CegarLoopUtils]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2020-12-22 06:57:43,411 INFO L185 CegarLoopUtils]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2020-12-22 06:57:43,411 INFO L189 CegarLoopUtils]: For program point L818(lines 818 822) no Hoare annotation was computed. [2020-12-22 06:57:43,411 INFO L185 CegarLoopUtils]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-12-22 06:57:43,411 INFO L185 CegarLoopUtils]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2020-12-22 06:57:43,412 INFO L185 CegarLoopUtils]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2020-12-22 06:57:43,412 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,415 INFO L189 CegarLoopUtils]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-12-22 06:57:43,415 INFO L189 CegarLoopUtils]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:57:43,415 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2020-12-22 06:57:43,416 INFO L185 CegarLoopUtils]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:43,416 INFO L189 CegarLoopUtils]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-12-22 06:57:43,417 INFO L185 CegarLoopUtils]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2020-12-22 06:57:43,417 INFO L185 CegarLoopUtils]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:43,417 INFO L189 CegarLoopUtils]: For program point L806(lines 806 810) no Hoare annotation was computed. [2020-12-22 06:57:43,417 INFO L192 CegarLoopUtils]: At program point L773(lines 754 776) the Hoare annotation is: true [2020-12-22 06:57:43,417 INFO L185 CegarLoopUtils]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2020-12-22 06:57:43,417 INFO L185 CegarLoopUtils]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:43,417 INFO L189 CegarLoopUtils]: For program point L692(line 692) no Hoare annotation was computed. [2020-12-22 06:57:43,418 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:43,418 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2020-12-22 06:57:43,418 INFO L189 CegarLoopUtils]: For program point L529(lines 529 546) no Hoare annotation was computed. [2020-12-22 06:57:43,422 INFO L189 CegarLoopUtils]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2020-12-22 06:57:43,422 INFO L189 CegarLoopUtils]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2020-12-22 06:57:43,422 INFO L189 CegarLoopUtils]: For program point L909(lines 909 926) no Hoare annotation was computed. [2020-12-22 06:57:43,423 INFO L185 CegarLoopUtils]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-12-22 06:57:43,423 INFO L185 CegarLoopUtils]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2020-12-22 06:57:43,423 INFO L185 CegarLoopUtils]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2020-12-22 06:57:43,423 INFO L189 CegarLoopUtils]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2020-12-22 06:57:43,423 INFO L185 CegarLoopUtils]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2020-12-22 06:57:43,424 INFO L185 CegarLoopUtils]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2020-12-22 06:57:43,424 INFO L189 CegarLoopUtils]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2020-12-22 06:57:43,424 INFO L185 CegarLoopUtils]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2020-12-22 06:57:43,424 INFO L189 CegarLoopUtils]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:57:43,424 INFO L189 CegarLoopUtils]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:57:43,427 INFO L189 CegarLoopUtils]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-12-22 06:57:43,427 INFO L189 CegarLoopUtils]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2020-12-22 06:57:43,427 INFO L189 CegarLoopUtils]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:57:43,428 INFO L185 CegarLoopUtils]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse3))) [2020-12-22 06:57:43,428 INFO L185 CegarLoopUtils]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2020-12-22 06:57:43,428 INFO L185 CegarLoopUtils]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2020-12-22 06:57:43,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:43 BoogieIcfgContainer [2020-12-22 06:57:43,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:43,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:43,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:43,493 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:43,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:38" (3/4) ... [2020-12-22 06:57:43,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:43,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:43,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:43,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:43,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:43,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:43,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:43,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:43,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:43,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:43,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:43,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:43,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:43,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:43,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:43,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2020-12-22 06:57:43,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:43,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2020-12-22 06:57:43,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:43,649 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product33.cil.c-witness.graphml [2020-12-22 06:57:43,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:43,651 INFO L168 Benchmark]: Toolchain (without parser) took 7313.72 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 125.0 MB in the beginning and 105.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,651 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 208.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:43,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 104.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.74 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 101.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,652 INFO L168 Benchmark]: Boogie Preprocessor took 56.82 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 98.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,653 INFO L168 Benchmark]: RCFGBuilder took 1168.60 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 78.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,653 INFO L168 Benchmark]: TraceAbstraction took 5113.77 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 113.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,654 INFO L168 Benchmark]: Witness Printer took 157.04 ms. Allocated memory is still 218.1 MB. Free memory was 113.1 MB in the beginning and 105.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:43,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 208.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 712.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 104.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 94.74 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 101.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.82 ms. Allocated memory is still 151.0 MB. Free memory was 101.0 MB in the beginning and 98.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1168.60 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 78.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5113.77 ms. Allocated memory was 151.0 MB in the beginning and 218.1 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 113.1 MB in the end (delta: -35.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. * Witness Printer took 157.04 ms. Allocated memory is still 218.1 MB. Free memory was 113.1 MB in the beginning and 105.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: 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: 442]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1026 SDslu, 1055 SDs, 0 SdLazy, 184 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 680 HoareAnnotationTreeSize, 37 FomulaSimplifications, 19060 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1208 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 29755 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...