/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_spec1_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:32,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:32,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:32,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:32,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:32,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:32,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:32,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:32,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:32,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:32,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:32,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:32,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:32,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:32,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:32,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:32,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:32,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:32,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:32,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:32,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:32,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:32,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:32,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:33,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:33,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:33,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:33,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:33,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:33,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:33,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:33,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:33,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:33,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:33,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:33,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:33,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:33,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:33,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:33,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:33,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:33,075 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:33,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:33,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:33,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:33,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:33,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:33,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:33,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:33,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:33,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:33,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:33,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:33,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:33,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:33,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:33,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:33,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:33,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:33,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:33,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:33,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:33,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:33,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:33,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:33,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:33,593 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:33,594 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:33,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-12-22 06:53:33,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ec32856/3ab635d2ad2a4b8fa97dba3e1c2c9901/FLAGa6103c450 [2020-12-22 06:53:34,516 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:34,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2020-12-22 06:53:34,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ec32856/3ab635d2ad2a4b8fa97dba3e1c2c9901/FLAGa6103c450 [2020-12-22 06:53:34,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19ec32856/3ab635d2ad2a4b8fa97dba3e1c2c9901 [2020-12-22 06:53:34,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:34,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:34,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:34,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:34,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:34,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:34" (1/1) ... [2020-12-22 06:53:34,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cbb9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:34, skipping insertion in model container [2020-12-22 06:53:34,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:34" (1/1) ... [2020-12-22 06:53:34,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:34,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:35,142 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_spec1_product48.cil.c[16799,16812] [2020-12-22 06:53:35,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:35,163 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:35,267 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_spec1_product48.cil.c[16799,16812] [2020-12-22 06:53:35,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:35,341 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:35,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35 WrapperNode [2020-12-22 06:53:35,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:35,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:35,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:35,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:35,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:35,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:35,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:35,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:35,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (1/1) ... [2020-12-22 06:53:35,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:35,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:35,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:35,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:35,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (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 06:53:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:36,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:36,834 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2020-12-22 06:53:36,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:36 BoogieIcfgContainer [2020-12-22 06:53:36,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:36,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:36,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:36,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:36,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:34" (1/3) ... [2020-12-22 06:53:36,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3169250d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:36, skipping insertion in model container [2020-12-22 06:53:36,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:35" (2/3) ... [2020-12-22 06:53:36,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3169250d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:36, skipping insertion in model container [2020-12-22 06:53:36,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:36" (3/3) ... [2020-12-22 06:53:36,853 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2020-12-22 06:53:36,860 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:36,866 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:36,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:36,931 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:36,931 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:36,931 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:36,931 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:36,937 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:36,937 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:36,937 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:36,937 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-12-22 06:53:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:36,966 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:36,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:36,967 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:36,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:36,974 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2020-12-22 06:53:36,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:36,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018316888] [2020-12-22 06:53:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:37,249 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 06:53:37,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018316888] [2020-12-22 06:53:37,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:37,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:37,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875691887] [2020-12-22 06:53:37,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:37,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:37,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:37,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:37,276 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2020-12-22 06:53:37,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:37,321 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2020-12-22 06:53:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:37,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:37,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:37,335 INFO L225 Difference]: With dead ends: 256 [2020-12-22 06:53:37,335 INFO L226 Difference]: Without dead ends: 127 [2020-12-22 06:53:37,339 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 06:53:37,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-12-22 06:53:37,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-12-22 06:53:37,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-12-22 06:53:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2020-12-22 06:53:37,413 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2020-12-22 06:53:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:37,413 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2020-12-22 06:53:37,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2020-12-22 06:53:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:37,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:37,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:37,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:37,415 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2020-12-22 06:53:37,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:37,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297245748] [2020-12-22 06:53:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:37,527 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 06:53:37,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297245748] [2020-12-22 06:53:37,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:37,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:37,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275810277] [2020-12-22 06:53:37,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:37,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:37,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:37,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:37,538 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2020-12-22 06:53:37,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:37,562 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-12-22 06:53:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:37,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:37,566 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:53:37,566 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:53:37,567 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 06:53:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:53:37,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:53:37,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:53:37,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:53:37,582 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-12-22 06:53:37,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:37,582 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:53:37,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:53:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:37,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:37,584 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] [2020-12-22 06:53:37,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:37,585 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:37,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:37,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2020-12-22 06:53:37,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:37,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640595719] [2020-12-22 06:53:37,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:37,725 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 06:53:37,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640595719] [2020-12-22 06:53:37,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:37,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:37,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448725102] [2020-12-22 06:53:37,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:37,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:37,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:37,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:37,728 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-12-22 06:53:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:37,767 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2020-12-22 06:53:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:37,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:37,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:37,769 INFO L225 Difference]: With dead ends: 147 [2020-12-22 06:53:37,769 INFO L226 Difference]: Without dead ends: 100 [2020-12-22 06:53:37,770 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 06:53:37,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-12-22 06:53:37,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2020-12-22 06:53:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-22 06:53:37,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2020-12-22 06:53:37,798 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2020-12-22 06:53:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:37,799 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2020-12-22 06:53:37,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2020-12-22 06:53:37,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:37,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:37,800 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] [2020-12-22 06:53:37,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:37,802 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:37,803 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2020-12-22 06:53:37,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:37,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592689042] [2020-12-22 06:53:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:37,891 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 06:53:37,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592689042] [2020-12-22 06:53:37,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:37,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:37,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875770516] [2020-12-22 06:53:37,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:37,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:37,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:37,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:37,894 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 3 states. [2020-12-22 06:53:37,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:37,936 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2020-12-22 06:53:37,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:37,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:53:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:37,938 INFO L225 Difference]: With dead ends: 227 [2020-12-22 06:53:37,939 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:53:37,940 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 06:53:37,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:53:37,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2020-12-22 06:53:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:53:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2020-12-22 06:53:37,970 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2020-12-22 06:53:37,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:37,971 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2020-12-22 06:53:37,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2020-12-22 06:53:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:53:37,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:37,977 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] [2020-12-22 06:53:37,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:37,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:37,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:37,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2020-12-22 06:53:37,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:37,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033871937] [2020-12-22 06:53:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:38,115 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 06:53:38,116 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033871937] [2020-12-22 06:53:38,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:38,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:38,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574342681] [2020-12-22 06:53:38,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:38,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:38,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:38,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:38,118 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand 5 states. [2020-12-22 06:53:38,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:38,366 INFO L93 Difference]: Finished difference Result 676 states and 993 transitions. [2020-12-22 06:53:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:38,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:53:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:38,378 INFO L225 Difference]: With dead ends: 676 [2020-12-22 06:53:38,378 INFO L226 Difference]: Without dead ends: 547 [2020-12-22 06:53:38,381 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 06:53:38,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-12-22 06:53:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 254. [2020-12-22 06:53:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-12-22 06:53:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2020-12-22 06:53:38,448 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 25 [2020-12-22 06:53:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:38,449 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2020-12-22 06:53:38,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2020-12-22 06:53:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:53:38,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:38,454 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 06:53:38,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:38,454 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:38,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:38,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2020-12-22 06:53:38,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:38,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666231200] [2020-12-22 06:53:38,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:38,607 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 06:53:38,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666231200] [2020-12-22 06:53:38,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:38,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:38,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968623047] [2020-12-22 06:53:38,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:38,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:38,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:38,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:38,610 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand 5 states. [2020-12-22 06:53:38,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:38,770 INFO L93 Difference]: Finished difference Result 744 states and 1066 transitions. [2020-12-22 06:53:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:53:38,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:53:38,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:38,775 INFO L225 Difference]: With dead ends: 744 [2020-12-22 06:53:38,776 INFO L226 Difference]: Without dead ends: 742 [2020-12-22 06:53:38,777 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 06:53:38,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-12-22 06:53:38,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 254. [2020-12-22 06:53:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-12-22 06:53:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 361 transitions. [2020-12-22 06:53:38,810 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 361 transitions. Word has length 26 [2020-12-22 06:53:38,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:38,810 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 361 transitions. [2020-12-22 06:53:38,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:38,810 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 361 transitions. [2020-12-22 06:53:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:38,812 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:38,813 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 06:53:38,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:53:38,813 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:38,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:38,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2020-12-22 06:53:38,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:38,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957825831] [2020-12-22 06:53:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:38,869 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 06:53:38,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957825831] [2020-12-22 06:53:38,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:38,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:38,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915538658] [2020-12-22 06:53:38,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:38,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:38,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:38,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:38,872 INFO L87 Difference]: Start difference. First operand 254 states and 361 transitions. Second operand 3 states. [2020-12-22 06:53:38,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:38,921 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2020-12-22 06:53:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:38,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:53:38,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:38,924 INFO L225 Difference]: With dead ends: 690 [2020-12-22 06:53:38,924 INFO L226 Difference]: Without dead ends: 442 [2020-12-22 06:53:38,925 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 06:53:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-12-22 06:53:38,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 440. [2020-12-22 06:53:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-12-22 06:53:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 609 transitions. [2020-12-22 06:53:38,960 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 609 transitions. Word has length 34 [2020-12-22 06:53:38,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:38,960 INFO L481 AbstractCegarLoop]: Abstraction has 440 states and 609 transitions. [2020-12-22 06:53:38,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 609 transitions. [2020-12-22 06:53:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:38,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:38,963 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 06:53:38,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:53:38,963 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:38,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:38,964 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2020-12-22 06:53:38,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:38,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646274532] [2020-12-22 06:53:38,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:39,021 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 06:53:39,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646274532] [2020-12-22 06:53:39,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:39,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:39,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246383499] [2020-12-22 06:53:39,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:39,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:39,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:39,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:39,024 INFO L87 Difference]: Start difference. First operand 440 states and 609 transitions. Second operand 5 states. [2020-12-22 06:53:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:39,129 INFO L93 Difference]: Finished difference Result 1222 states and 1668 transitions. [2020-12-22 06:53:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:39,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:39,135 INFO L225 Difference]: With dead ends: 1222 [2020-12-22 06:53:39,135 INFO L226 Difference]: Without dead ends: 788 [2020-12-22 06:53:39,136 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 06:53:39,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-12-22 06:53:39,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 476. [2020-12-22 06:53:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-12-22 06:53:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2020-12-22 06:53:39,195 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 34 [2020-12-22 06:53:39,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:39,196 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2020-12-22 06:53:39,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2020-12-22 06:53:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:39,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:39,199 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 06:53:39,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:53:39,200 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:39,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:39,200 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2020-12-22 06:53:39,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:39,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871599202] [2020-12-22 06:53:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:39,262 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 06:53:39,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871599202] [2020-12-22 06:53:39,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:39,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:39,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353321745] [2020-12-22 06:53:39,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:53:39,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:39,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:53:39,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:53:39,271 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand 4 states. [2020-12-22 06:53:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:39,345 INFO L93 Difference]: Finished difference Result 1036 states and 1390 transitions. [2020-12-22 06:53:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:53:39,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:53:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:39,350 INFO L225 Difference]: With dead ends: 1036 [2020-12-22 06:53:39,350 INFO L226 Difference]: Without dead ends: 566 [2020-12-22 06:53:39,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:39,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-12-22 06:53:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 398. [2020-12-22 06:53:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-12-22 06:53:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2020-12-22 06:53:39,393 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2020-12-22 06:53:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:39,394 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2020-12-22 06:53:39,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:53:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2020-12-22 06:53:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:53:39,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:39,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:39,398 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:53:39,398 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:39,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:39,400 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2020-12-22 06:53:39,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:39,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698593005] [2020-12-22 06:53:39,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:39,526 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 06:53:39,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698593005] [2020-12-22 06:53:39,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:39,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:53:39,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582646608] [2020-12-22 06:53:39,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:53:39,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:39,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:53:39,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:39,531 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand 8 states. [2020-12-22 06:53:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:40,361 INFO L93 Difference]: Finished difference Result 1933 states and 2554 transitions. [2020-12-22 06:53:40,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-22 06:53:40,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-12-22 06:53:40,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:40,378 INFO L225 Difference]: With dead ends: 1933 [2020-12-22 06:53:40,378 INFO L226 Difference]: Without dead ends: 1541 [2020-12-22 06:53:40,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2020-12-22 06:53:40,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-12-22 06:53:40,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 398. [2020-12-22 06:53:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-12-22 06:53:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2020-12-22 06:53:40,437 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2020-12-22 06:53:40,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:40,439 INFO L481 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2020-12-22 06:53:40,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:53:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2020-12-22 06:53:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:53:40,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:40,441 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:40,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:53:40,441 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:40,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:40,442 INFO L82 PathProgramCache]: Analyzing trace with hash -304303788, now seen corresponding path program 1 times [2020-12-22 06:53:40,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:40,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520463585] [2020-12-22 06:53:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:53:40,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520463585] [2020-12-22 06:53:40,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:40,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:40,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70703867] [2020-12-22 06:53:40,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:40,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:40,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:40,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:40,498 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand 3 states. [2020-12-22 06:53:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:40,637 INFO L93 Difference]: Finished difference Result 676 states and 876 transitions. [2020-12-22 06:53:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:40,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-22 06:53:40,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:40,639 INFO L225 Difference]: With dead ends: 676 [2020-12-22 06:53:40,640 INFO L226 Difference]: Without dead ends: 284 [2020-12-22 06:53:40,641 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 06:53:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-12-22 06:53:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2020-12-22 06:53:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-12-22 06:53:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions. [2020-12-22 06:53:40,691 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 353 transitions. Word has length 53 [2020-12-22 06:53:40,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:40,691 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 353 transitions. [2020-12-22 06:53:40,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2020-12-22 06:53:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:53:40,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:40,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:40,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:53:40,694 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:40,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:40,695 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2020-12-22 06:53:40,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:40,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863231298] [2020-12-22 06:53:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:53:40,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863231298] [2020-12-22 06:53:40,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:40,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:40,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409161614] [2020-12-22 06:53:40,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:40,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:40,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:40,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:40,816 INFO L87 Difference]: Start difference. First operand 276 states and 353 transitions. Second operand 6 states. [2020-12-22 06:53:41,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:41,160 INFO L93 Difference]: Finished difference Result 759 states and 974 transitions. [2020-12-22 06:53:41,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:53:41,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-12-22 06:53:41,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:41,160 INFO L225 Difference]: With dead ends: 759 [2020-12-22 06:53:41,161 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:41,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:53:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:41,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:41,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:53:41,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:41,163 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:41,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:41,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:41,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:53:41,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:41,436 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 111 [2020-12-22 06:53:41,739 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 115 [2020-12-22 06:53:42,393 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 185 [2020-12-22 06:53:42,894 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 117 [2020-12-22 06:53:43,432 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 159 [2020-12-22 06:53:43,962 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 180 [2020-12-22 06:53:44,241 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 111 [2020-12-22 06:53:44,428 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-12-22 06:53:44,791 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 148 [2020-12-22 06:53:45,306 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-12-22 06:53:46,136 WARN L197 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 15 [2020-12-22 06:53:47,576 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 181 DAG size of output: 20 [2020-12-22 06:53:48,454 WARN L197 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 13 [2020-12-22 06:53:49,535 WARN L197 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-12-22 06:53:50,960 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2020-12-22 06:53:51,526 WARN L197 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-12-22 06:53:52,090 WARN L197 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-12-22 06:53:52,934 WARN L197 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 15 [2020-12-22 06:53:54,225 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-12-22 06:53:54,232 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,233 INFO L185 CegarLoopUtils]: At program point L961(lines 1 972) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:54,233 INFO L185 CegarLoopUtils]: At program point L137(lines 128 141) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L930(lines 879 931) the Hoare annotation is: false [2020-12-22 06:53:54,234 INFO L185 CegarLoopUtils]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:54,235 INFO L189 CegarLoopUtils]: For program point L865(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,235 INFO L189 CegarLoopUtils]: For program point L865-1(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,235 INFO L189 CegarLoopUtils]: For program point L865-2(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,235 INFO L185 CegarLoopUtils]: At program point L833(lines 818 836) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:54,235 INFO L185 CegarLoopUtils]: At program point L833-1(lines 818 836) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-12-22 06:53:54,235 INFO L185 CegarLoopUtils]: At program point L833-2(lines 818 836) the Hoare annotation is: false [2020-12-22 06:53:54,235 INFO L185 CegarLoopUtils]: At program point L833-3(lines 818 836) the Hoare annotation is: false [2020-12-22 06:53:54,235 INFO L185 CegarLoopUtils]: At program point L833-4(lines 818 836) the Hoare annotation is: false [2020-12-22 06:53:54,236 INFO L185 CegarLoopUtils]: At program point L833-5(lines 818 836) the Hoare annotation is: false [2020-12-22 06:53:54,236 INFO L189 CegarLoopUtils]: For program point L900(lines 900 906) no Hoare annotation was computed. [2020-12-22 06:53:54,236 INFO L185 CegarLoopUtils]: At program point L900-1(lines 900 906) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-12-22 06:53:54,236 INFO L192 CegarLoopUtils]: At program point L240(lines 221 243) the Hoare annotation is: true [2020-12-22 06:53:54,236 INFO L185 CegarLoopUtils]: At program point L769(lines 762 772) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-12-22 06:53:54,236 INFO L185 CegarLoopUtils]: At program point L769-1(lines 762 772) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-2(lines 762 772) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-3(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-4(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-5(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-6(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-7(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,237 INFO L185 CegarLoopUtils]: At program point L769-8(lines 762 772) the Hoare annotation is: false [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L185 CegarLoopUtils]: At program point L969(lines 964 972) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point L708(lines 708 725) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point L708-1(lines 708 725) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point L708-2(lines 708 725) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L189 CegarLoopUtils]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-12-22 06:53:54,238 INFO L185 CegarLoopUtils]: At program point L841-1(lines 841 847) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744-2(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744-4(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744-6(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744-8(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L744-10(lines 744 750) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L189 CegarLoopUtils]: For program point L910(lines 910 925) no Hoare annotation was computed. [2020-12-22 06:53:54,239 INFO L185 CegarLoopUtils]: At program point L778(lines 773 781) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse1 .cse0 (= 1 ~systemActive~0) .cse2 .cse3 .cse4))) [2020-12-22 06:53:54,239 INFO L185 CegarLoopUtils]: At program point L778-1(lines 773 781) the Hoare annotation is: false [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L712(lines 712 720) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L185 CegarLoopUtils]: At program point L778-2(lines 773 781) the Hoare annotation is: false [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L712-1(lines 712 720) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L712-2(lines 712 720) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L682(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L682-1(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L682-2(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L682-3(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,240 INFO L189 CegarLoopUtils]: For program point L682-4(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L682-5(lines 682 699) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L881(lines 880 929) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L185 CegarLoopUtils]: At program point L650(lines 649 668) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-12-22 06:53:54,241 INFO L189 CegarLoopUtils]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2020-12-22 06:53:54,241 INFO L185 CegarLoopUtils]: At program point L650-2(lines 649 668) the Hoare annotation is: false [2020-12-22 06:53:54,242 INFO L185 CegarLoopUtils]: At program point L650-3(lines 649 668) the Hoare annotation is: false [2020-12-22 06:53:54,242 INFO L185 CegarLoopUtils]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point L156(line 156) no Hoare annotation was computed. [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point L686(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point L686-1(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,242 INFO L189 CegarLoopUtils]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,243 INFO L189 CegarLoopUtils]: For program point L686-3(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,243 INFO L189 CegarLoopUtils]: For program point L686-4(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,243 INFO L189 CegarLoopUtils]: For program point L686-5(lines 686 694) no Hoare annotation was computed. [2020-12-22 06:53:54,243 INFO L185 CegarLoopUtils]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-12-22 06:53:54,243 INFO L185 CegarLoopUtils]: At program point L92-1(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:53:54,243 INFO L185 CegarLoopUtils]: At program point L92-2(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2020-12-22 06:53:54,244 INFO L185 CegarLoopUtils]: At program point L92-3(lines 87 95) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse4))) [2020-12-22 06:53:54,244 INFO L185 CegarLoopUtils]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,244 INFO L185 CegarLoopUtils]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,244 INFO L189 CegarLoopUtils]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-12-22 06:53:54,244 INFO L185 CegarLoopUtils]: At program point L92-6(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,244 INFO L185 CegarLoopUtils]: At program point L918-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L92-7(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L92-8(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L92-9(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L92-10(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L92-11(lines 87 95) the Hoare annotation is: false [2020-12-22 06:53:54,245 INFO L189 CegarLoopUtils]: For program point L621(lines 621 634) no Hoare annotation was computed. [2020-12-22 06:53:54,245 INFO L185 CegarLoopUtils]: At program point L621-1(lines 1 972) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse5 .cse4 .cse0 .cse2 .cse3) (and .cse7 .cse1 .cse6 .cse8 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3))) [2020-12-22 06:53:54,246 INFO L189 CegarLoopUtils]: For program point L621-2(lines 621 634) no Hoare annotation was computed. [2020-12-22 06:53:54,246 INFO L185 CegarLoopUtils]: At program point L621-3(lines 1 972) the Hoare annotation is: false [2020-12-22 06:53:54,246 INFO L189 CegarLoopUtils]: For program point L621-4(lines 621 634) no Hoare annotation was computed. [2020-12-22 06:53:54,246 INFO L185 CegarLoopUtils]: At program point L621-5(lines 1 972) the Hoare annotation is: false [2020-12-22 06:53:54,246 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-12-22 06:53:54,246 INFO L189 CegarLoopUtils]: For program point L159-1(lines 650 656) no Hoare annotation was computed. [2020-12-22 06:53:54,246 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:54,246 INFO L185 CegarLoopUtils]: At program point L657(lines 657 663) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-12-22 06:53:54,247 INFO L185 CegarLoopUtils]: At program point L657-1(lines 657 663) the Hoare annotation is: false [2020-12-22 06:53:54,247 INFO L185 CegarLoopUtils]: At program point L657-2(lines 657 663) the Hoare annotation is: false [2020-12-22 06:53:54,247 INFO L189 CegarLoopUtils]: For program point L625(lines 625 631) no Hoare annotation was computed. [2020-12-22 06:53:54,247 INFO L189 CegarLoopUtils]: For program point L625-2(lines 625 631) no Hoare annotation was computed. [2020-12-22 06:53:54,247 INFO L189 CegarLoopUtils]: For program point L625-4(lines 625 631) no Hoare annotation was computed. [2020-12-22 06:53:54,247 INFO L189 CegarLoopUtils]: For program point L890(lines 890 896) no Hoare annotation was computed. [2020-12-22 06:53:54,247 INFO L185 CegarLoopUtils]: At program point L890-1(lines 890 896) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse5 .cse4 .cse0 .cse2 .cse3) (and .cse7 .cse1 .cse6 .cse8 .cse2 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3))) [2020-12-22 06:53:54,247 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 865) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L192 CegarLoopUtils]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,248 INFO L189 CegarLoopUtils]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-2(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-3(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-5(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-6(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-8(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-9(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,249 INFO L189 CegarLoopUtils]: For program point L827-11(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,250 INFO L189 CegarLoopUtils]: For program point L827-12(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,250 INFO L189 CegarLoopUtils]: For program point L827-14(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,250 INFO L189 CegarLoopUtils]: For program point L827-15(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,250 INFO L189 CegarLoopUtils]: For program point L827-17(lines 827 831) no Hoare annotation was computed. [2020-12-22 06:53:54,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:54 BoogieIcfgContainer [2020-12-22 06:53:54,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:54,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:54,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:54,307 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:54,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:36" (3/4) ... [2020-12-22 06:53:54,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:54,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:54,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:54,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:54,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:54,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:54,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:54,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:54,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,399 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:54,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:54,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:53:54,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:54,404 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-12-22 06:53:54,507 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product48.cil.c-witness.graphml [2020-12-22 06:53:54,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:54,509 INFO L168 Benchmark]: Toolchain (without parser) took 19735.82 ms. Allocated memory was 163.6 MB in the beginning and 342.9 MB in the end (delta: 179.3 MB). Free memory was 137.5 MB in the beginning and 309.2 MB in the end (delta: -171.6 MB). Peak memory consumption was 200.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,509 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 135.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:54,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.49 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 116.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.18 ms. Allocated memory is still 163.6 MB. Free memory was 116.2 MB in the beginning and 144.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,510 INFO L168 Benchmark]: Boogie Preprocessor took 101.47 ms. Allocated memory is still 163.6 MB. Free memory was 144.6 MB in the beginning and 141.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,510 INFO L168 Benchmark]: RCFGBuilder took 1228.14 ms. Allocated memory is still 163.6 MB. Free memory was 141.9 MB in the beginning and 75.9 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,511 INFO L168 Benchmark]: TraceAbstraction took 17466.53 ms. Allocated memory was 163.6 MB in the beginning and 342.9 MB in the end (delta: 179.3 MB). Free memory was 75.4 MB in the beginning and 119.6 MB in the end (delta: -44.3 MB). Peak memory consumption was 141.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,511 INFO L168 Benchmark]: Witness Printer took 200.12 ms. Allocated memory is still 342.9 MB. Free memory was 119.6 MB in the beginning and 309.2 MB in the end (delta: -189.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:54,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 135.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 567.49 ms. Allocated memory is still 163.6 MB. Free memory was 137.4 MB in the beginning and 116.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 162.18 ms. Allocated memory is still 163.6 MB. Free memory was 116.2 MB in the beginning and 144.6 MB in the end (delta: -28.4 MB). Peak memory consumption was 6.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 101.47 ms. Allocated memory is still 163.6 MB. Free memory was 144.6 MB in the beginning and 141.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1228.14 ms. Allocated memory is still 163.6 MB. Free memory was 141.9 MB in the beginning and 75.9 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17466.53 ms. Allocated memory was 163.6 MB in the beginning and 342.9 MB in the end (delta: 179.3 MB). Free memory was 75.4 MB in the beginning and 119.6 MB in the end (delta: -44.3 MB). Peak memory consumption was 141.9 MB. Max. memory is 8.0 GB. * Witness Printer took 200.12 ms. Allocated memory is still 342.9 MB. Free memory was 119.6 MB in the beginning and 309.2 MB in the end (delta: -189.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 865]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 865]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 865]: 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: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && \result == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: ((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 <= \result) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1468 SDtfs, 1871 SDslu, 3019 SDs, 0 SdLazy, 476 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2420 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 314 NumberOfFragments, 808 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1407691 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 250591 FormulaSimplificationTreeSizeReductionInter, 9.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 19866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...