/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_spec4_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:47,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:47,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:47,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:47,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:47,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:47,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:47,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:47,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:47,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:47,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:47,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:47,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:47,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:47,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:47,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:47,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:47,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:47,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:47,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:47,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:47,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:47,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:47,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:47,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:47,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:47,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:47,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:47,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:47,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:47,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:47,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:47,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:47,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:47,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:47,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:47,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:47,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:47,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:47,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:47,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:47,517 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:47,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:47,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:47,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:47,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:47,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:47,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:47,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:47,519 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:47,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:47,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:47,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:47,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:47,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:47,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:47,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:47,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:47,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:47,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:47,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:47,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:47,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:47,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:47,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:47,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:47,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:47,948 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:47,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-12-22 06:56:48,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4656a46/c35883e68aa34a30a029c6bfef517b51/FLAG5063d6ca8 [2020-12-22 06:56:48,887 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:48,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-12-22 06:56:48,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4656a46/c35883e68aa34a30a029c6bfef517b51/FLAG5063d6ca8 [2020-12-22 06:56:49,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c4656a46/c35883e68aa34a30a029c6bfef517b51 [2020-12-22 06:56:49,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:49,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:49,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:49,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:49,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:49,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd813cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:49,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:49,545 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_spec4_product55.cil.c[6563,6576] [2020-12-22 06:56:49,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:49,680 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:49,765 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_spec4_product55.cil.c[6563,6576] [2020-12-22 06:56:49,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:49,863 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:49,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49 WrapperNode [2020-12-22 06:56:49,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:49,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:49,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:49,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:49,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:50,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:50,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:50,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:50,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:50,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:50,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:50,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:50,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:50,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (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 06:56:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:51,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:51,630 INFO L299 CfgBuilder]: Removed 280 assume(true) statements. [2020-12-22 06:56:51,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51 BoogieIcfgContainer [2020-12-22 06:56:51,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:51,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:51,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:51,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:51,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:49" (1/3) ... [2020-12-22 06:56:51,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf1ee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:51, skipping insertion in model container [2020-12-22 06:56:51,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (2/3) ... [2020-12-22 06:56:51,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf1ee08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:51, skipping insertion in model container [2020-12-22 06:56:51,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51" (3/3) ... [2020-12-22 06:56:51,669 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2020-12-22 06:56:51,677 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:51,682 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:51,701 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:51,730 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:51,730 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:51,730 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:51,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:51,731 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:51,731 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:51,731 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:51,731 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-12-22 06:56:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:51,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,767 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1084846627, now seen corresponding path program 1 times [2020-12-22 06:56:51,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477598994] [2020-12-22 06:56:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,069 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 06:56:52,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477598994] [2020-12-22 06:56:52,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:52,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479899644] [2020-12-22 06:56:52,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:52,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:52,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:52,095 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-12-22 06:56:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,167 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2020-12-22 06:56:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:52,169 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,191 INFO L225 Difference]: With dead ends: 376 [2020-12-22 06:56:52,191 INFO L226 Difference]: Without dead ends: 187 [2020-12-22 06:56:52,197 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 06:56:52,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-22 06:56:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-12-22 06:56:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-12-22 06:56:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-12-22 06:56:52,287 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-12-22 06:56:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,288 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-12-22 06:56:52,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-12-22 06:56:52,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:52,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,290 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 06:56:52,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:52,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,294 INFO L82 PathProgramCache]: Analyzing trace with hash 38089730, now seen corresponding path program 1 times [2020-12-22 06:56:52,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937999445] [2020-12-22 06:56:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,447 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 06:56:52,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937999445] [2020-12-22 06:56:52,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:52,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130327985] [2020-12-22 06:56:52,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:52,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:52,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:52,451 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-12-22 06:56:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,467 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-12-22 06:56:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:52,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,469 INFO L225 Difference]: With dead ends: 187 [2020-12-22 06:56:52,469 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:56:52,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:56:52,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 06:56:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:56:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-12-22 06:56:52,477 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-12-22 06:56:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,477 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-12-22 06:56:52,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-12-22 06:56:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:52,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,478 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 06:56:52,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:52,479 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-12-22 06:56:52,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269306083] [2020-12-22 06:56:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,582 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 06:56:52,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269306083] [2020-12-22 06:56:52,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077103237] [2020-12-22 06:56:52,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:52,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:52,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:52,586 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2020-12-22 06:56:52,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,749 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-12-22 06:56:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-22 06:56:52,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,753 INFO L225 Difference]: With dead ends: 230 [2020-12-22 06:56:52,754 INFO L226 Difference]: Without dead ends: 163 [2020-12-22 06:56:52,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-12-22 06:56:52,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-12-22 06:56:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-22 06:56:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-12-22 06:56:52,788 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-12-22 06:56:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,789 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-12-22 06:56:52,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-12-22 06:56:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:52,791 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,791 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 06:56:52,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:52,792 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-12-22 06:56:52,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945752440] [2020-12-22 06:56:52,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,879 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 06:56:52,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945752440] [2020-12-22 06:56:52,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:52,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848785867] [2020-12-22 06:56:52,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:52,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:52,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:52,882 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-12-22 06:56:52,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,930 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-12-22 06:56:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:52,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:56:52,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,932 INFO L225 Difference]: With dead ends: 187 [2020-12-22 06:56:52,932 INFO L226 Difference]: Without dead ends: 101 [2020-12-22 06:56:52,933 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 06:56:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-12-22 06:56:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-12-22 06:56:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-12-22 06:56:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-12-22 06:56:52,945 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-12-22 06:56:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,945 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-12-22 06:56:52,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-12-22 06:56:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:52,946 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,946 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 06:56:52,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:52,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,948 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-12-22 06:56:52,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602153500] [2020-12-22 06:56:52,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,090 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 06:56:53,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602153500] [2020-12-22 06:56:53,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:53,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729149270] [2020-12-22 06:56:53,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:53,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:53,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:53,096 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 8 states. [2020-12-22 06:56:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,554 INFO L93 Difference]: Finished difference Result 637 states and 929 transitions. [2020-12-22 06:56:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:56:53,557 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-12-22 06:56:53,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,561 INFO L225 Difference]: With dead ends: 637 [2020-12-22 06:56:53,561 INFO L226 Difference]: Without dead ends: 544 [2020-12-22 06:56:53,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:56:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-12-22 06:56:53,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 241. [2020-12-22 06:56:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-12-22 06:56:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2020-12-22 06:56:53,620 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2020-12-22 06:56:53,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,621 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2020-12-22 06:56:53,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2020-12-22 06:56:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-22 06:56:53,623 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:53,624 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,625 INFO L82 PathProgramCache]: Analyzing trace with hash -105976916, now seen corresponding path program 1 times [2020-12-22 06:56:53,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724051225] [2020-12-22 06:56:53,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724051225] [2020-12-22 06:56:53,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459001488] [2020-12-22 06:56:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:56:53,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:56:53,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-22 06:56:53,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665950559] [2020-12-22 06:56:53,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:53,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:53,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,953 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand 4 states. [2020-12-22 06:56:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,112 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2020-12-22 06:56:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:54,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-12-22 06:56:54,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,115 INFO L225 Difference]: With dead ends: 539 [2020-12-22 06:56:54,115 INFO L226 Difference]: Without dead ends: 364 [2020-12-22 06:56:54,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 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 06:56:54,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-22 06:56:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 351. [2020-12-22 06:56:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-12-22 06:56:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 496 transitions. [2020-12-22 06:56:54,172 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 496 transitions. Word has length 40 [2020-12-22 06:56:54,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,173 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 496 transitions. [2020-12-22 06:56:54,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 496 transitions. [2020-12-22 06:56:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 06:56:54,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,186 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 06:56:54,402 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,404 INFO L82 PathProgramCache]: Analyzing trace with hash -731682278, now seen corresponding path program 1 times [2020-12-22 06:56:54,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306085964] [2020-12-22 06:56:54,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,465 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 06:56:54,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306085964] [2020-12-22 06:56:54,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:54,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132608412] [2020-12-22 06:56:54,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:54,468 INFO L87 Difference]: Start difference. First operand 351 states and 496 transitions. Second operand 5 states. [2020-12-22 06:56:54,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,592 INFO L93 Difference]: Finished difference Result 1077 states and 1510 transitions. [2020-12-22 06:56:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:54,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-22 06:56:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,598 INFO L225 Difference]: With dead ends: 1077 [2020-12-22 06:56:54,598 INFO L226 Difference]: Without dead ends: 732 [2020-12-22 06:56:54,599 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 06:56:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-12-22 06:56:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 381. [2020-12-22 06:56:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-12-22 06:56:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 526 transitions. [2020-12-22 06:56:54,639 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 526 transitions. Word has length 49 [2020-12-22 06:56:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,640 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 526 transitions. [2020-12-22 06:56:54,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 526 transitions. [2020-12-22 06:56:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 06:56:54,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:54,642 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1241155368, now seen corresponding path program 1 times [2020-12-22 06:56:54,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912694440] [2020-12-22 06:56:54,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,695 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 06:56:54,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912694440] [2020-12-22 06:56:54,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:54,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69082060] [2020-12-22 06:56:54,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:54,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:54,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:54,698 INFO L87 Difference]: Start difference. First operand 381 states and 526 transitions. Second operand 4 states. [2020-12-22 06:56:54,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,792 INFO L93 Difference]: Finished difference Result 891 states and 1233 transitions. [2020-12-22 06:56:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:54,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-22 06:56:54,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,796 INFO L225 Difference]: With dead ends: 891 [2020-12-22 06:56:54,797 INFO L226 Difference]: Without dead ends: 516 [2020-12-22 06:56:54,798 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 06:56:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-12-22 06:56:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 344. [2020-12-22 06:56:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-12-22 06:56:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 468 transitions. [2020-12-22 06:56:54,836 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 468 transitions. Word has length 49 [2020-12-22 06:56:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,836 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 468 transitions. [2020-12-22 06:56:54,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 468 transitions. [2020-12-22 06:56:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:56:54,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,838 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:54,838 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,839 INFO L82 PathProgramCache]: Analyzing trace with hash 711392088, now seen corresponding path program 1 times [2020-12-22 06:56:54,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123512319] [2020-12-22 06:56:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:54,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123512319] [2020-12-22 06:56:54,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:54,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123564184] [2020-12-22 06:56:54,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:54,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:54,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:54,944 INFO L87 Difference]: Start difference. First operand 344 states and 468 transitions. Second operand 6 states. [2020-12-22 06:56:55,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,223 INFO L93 Difference]: Finished difference Result 1946 states and 2692 transitions. [2020-12-22 06:56:55,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:56:55,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-12-22 06:56:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,233 INFO L225 Difference]: With dead ends: 1946 [2020-12-22 06:56:55,233 INFO L226 Difference]: Without dead ends: 1608 [2020-12-22 06:56:55,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:56:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-22 06:56:55,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 680. [2020-12-22 06:56:55,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-12-22 06:56:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 913 transitions. [2020-12-22 06:56:55,325 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 913 transitions. Word has length 50 [2020-12-22 06:56:55,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,328 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 913 transitions. [2020-12-22 06:56:55,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 913 transitions. [2020-12-22 06:56:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:55,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,329 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] [2020-12-22 06:56:55,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:55,332 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,332 INFO L82 PathProgramCache]: Analyzing trace with hash -372071984, now seen corresponding path program 1 times [2020-12-22 06:56:55,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545693981] [2020-12-22 06:56:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:55,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545693981] [2020-12-22 06:56:55,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:55,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220309525] [2020-12-22 06:56:55,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:55,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:55,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:55,427 INFO L87 Difference]: Start difference. First operand 680 states and 913 transitions. Second operand 5 states. [2020-12-22 06:56:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,777 INFO L93 Difference]: Finished difference Result 1836 states and 2464 transitions. [2020-12-22 06:56:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:55,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:55,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,794 INFO L225 Difference]: With dead ends: 1836 [2020-12-22 06:56:55,795 INFO L226 Difference]: Without dead ends: 1834 [2020-12-22 06:56:55,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:55,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2020-12-22 06:56:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 680. [2020-12-22 06:56:55,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-12-22 06:56:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 903 transitions. [2020-12-22 06:56:55,899 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 903 transitions. Word has length 51 [2020-12-22 06:56:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,899 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 903 transitions. [2020-12-22 06:56:55,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:55,900 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 903 transitions. [2020-12-22 06:56:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 06:56:55,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:55,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:55,901 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1597254592, now seen corresponding path program 1 times [2020-12-22 06:56:55,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191842186] [2020-12-22 06:56:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191842186] [2020-12-22 06:56:56,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292545464] [2020-12-22 06:56:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:56,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:56,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:56,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-22 06:56:56,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129869702] [2020-12-22 06:56:56,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:56,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:56,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:56,343 INFO L87 Difference]: Start difference. First operand 680 states and 903 transitions. Second operand 8 states. [2020-12-22 06:56:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,742 INFO L93 Difference]: Finished difference Result 1900 states and 2519 transitions. [2020-12-22 06:56:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:56,743 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-12-22 06:56:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,751 INFO L225 Difference]: With dead ends: 1900 [2020-12-22 06:56:56,751 INFO L226 Difference]: Without dead ends: 1312 [2020-12-22 06:56:56,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:56,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-12-22 06:56:56,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 604. [2020-12-22 06:56:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-12-22 06:56:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 790 transitions. [2020-12-22 06:56:56,836 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 790 transitions. Word has length 57 [2020-12-22 06:56:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,837 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 790 transitions. [2020-12-22 06:56:56,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 790 transitions. [2020-12-22 06:56:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:56,839 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,840 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:57,054 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1564199598, now seen corresponding path program 2 times [2020-12-22 06:56:57,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078204085] [2020-12-22 06:56:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:57,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078204085] [2020-12-22 06:56:57,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:57,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151982575] [2020-12-22 06:56:57,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:57,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:57,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:57,258 INFO L87 Difference]: Start difference. First operand 604 states and 790 transitions. Second operand 5 states. [2020-12-22 06:56:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:57,682 INFO L93 Difference]: Finished difference Result 1832 states and 2420 transitions. [2020-12-22 06:56:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:57,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:57,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:57,690 INFO L225 Difference]: With dead ends: 1832 [2020-12-22 06:56:57,690 INFO L226 Difference]: Without dead ends: 1318 [2020-12-22 06:56:57,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:57,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-12-22 06:56:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 836. [2020-12-22 06:56:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-12-22 06:56:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1089 transitions. [2020-12-22 06:56:57,808 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1089 transitions. Word has length 82 [2020-12-22 06:56:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:57,808 INFO L481 AbstractCegarLoop]: Abstraction has 836 states and 1089 transitions. [2020-12-22 06:56:57,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1089 transitions. [2020-12-22 06:56:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:57,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:57,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:57,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:57,811 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1169832812, now seen corresponding path program 1 times [2020-12-22 06:56:57,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:57,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295378933] [2020-12-22 06:56:57,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:57,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295378933] [2020-12-22 06:56:57,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:57,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:57,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736074373] [2020-12-22 06:56:57,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:57,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:57,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:57,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:57,879 INFO L87 Difference]: Start difference. First operand 836 states and 1089 transitions. Second operand 5 states. [2020-12-22 06:56:58,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:58,049 INFO L93 Difference]: Finished difference Result 1614 states and 2096 transitions. [2020-12-22 06:56:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:58,049 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:58,050 INFO L225 Difference]: With dead ends: 1614 [2020-12-22 06:56:58,050 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:58,052 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 06:56:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:58,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:58,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-12-22 06:56:58,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:58,054 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:58,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:58,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:58,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:56:58,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:58,271 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-12-22 06:56:59,448 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 343 DAG size of output: 243 [2020-12-22 06:57:00,679 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 329 DAG size of output: 250 [2020-12-22 06:57:01,849 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 369 DAG size of output: 273 [2020-12-22 06:57:02,165 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 149 [2020-12-22 06:57:02,398 WARN L197 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 124 [2020-12-22 06:57:03,251 WARN L197 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 288 [2020-12-22 06:57:03,430 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 161 [2020-12-22 06:57:04,112 WARN L197 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 264 [2020-12-22 06:57:04,413 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 197 [2020-12-22 06:57:04,543 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 121 [2020-12-22 06:57:05,133 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-12-22 06:57:07,026 WARN L197 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 236 DAG size of output: 31 [2020-12-22 06:57:09,271 WARN L197 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-12-22 06:57:09,496 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 11 [2020-12-22 06:57:09,855 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 22 [2020-12-22 06:57:12,600 WARN L197 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 264 DAG size of output: 29 [2020-12-22 06:57:13,201 WARN L197 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-12-22 06:57:13,878 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-12-22 06:57:16,477 WARN L197 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 284 DAG size of output: 30 [2020-12-22 06:57:17,462 WARN L197 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-12-22 06:57:20,217 WARN L197 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-12-22 06:57:20,396 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 11 [2020-12-22 06:57:20,622 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-12-22 06:57:21,896 WARN L197 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 189 DAG size of output: 30 [2020-12-22 06:57:22,539 WARN L197 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 25 [2020-12-22 06:57:22,746 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 16 [2020-12-22 06:57:22,752 INFO L189 CegarLoopUtils]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,753 INFO L189 CegarLoopUtils]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,754 INFO L189 CegarLoopUtils]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,754 INFO L185 CegarLoopUtils]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:22,754 INFO L185 CegarLoopUtils]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:22,754 INFO L185 CegarLoopUtils]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:22,755 INFO L189 CegarLoopUtils]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-12-22 06:57:22,755 INFO L189 CegarLoopUtils]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,755 INFO L189 CegarLoopUtils]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,755 INFO L189 CegarLoopUtils]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,755 INFO L189 CegarLoopUtils]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,755 INFO L185 CegarLoopUtils]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-12-22 06:57:22,756 INFO L189 CegarLoopUtils]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,756 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-12-22 06:57:22,756 INFO L185 CegarLoopUtils]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-12-22 06:57:22,756 INFO L189 CegarLoopUtils]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,756 INFO L185 CegarLoopUtils]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-12-22 06:57:22,756 INFO L189 CegarLoopUtils]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,756 INFO L185 CegarLoopUtils]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:22,756 INFO L189 CegarLoopUtils]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,756 INFO L185 CegarLoopUtils]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2020-12-22 06:57:22,757 INFO L189 CegarLoopUtils]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,757 INFO L185 CegarLoopUtils]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2020-12-22 06:57:22,757 INFO L185 CegarLoopUtils]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2020-12-22 06:57:22,757 INFO L189 CegarLoopUtils]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,757 INFO L185 CegarLoopUtils]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2020-12-22 06:57:22,757 INFO L189 CegarLoopUtils]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,757 INFO L185 CegarLoopUtils]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2020-12-22 06:57:22,757 INFO L189 CegarLoopUtils]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:22,757 INFO L189 CegarLoopUtils]: For program point L372(lines 372 385) no Hoare annotation was computed. [2020-12-22 06:57:22,758 INFO L185 CegarLoopUtils]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse4 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-12-22 06:57:22,758 INFO L189 CegarLoopUtils]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2020-12-22 06:57:22,758 INFO L185 CegarLoopUtils]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2020-12-22 06:57:22,758 INFO L189 CegarLoopUtils]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2020-12-22 06:57:22,758 INFO L185 CegarLoopUtils]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2020-12-22 06:57:22,758 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,758 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and .cse4 .cse0 .cse2))) [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:22,759 INFO L185 CegarLoopUtils]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:22,760 INFO L185 CegarLoopUtils]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L189 CegarLoopUtils]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2020-12-22 06:57:22,760 INFO L185 CegarLoopUtils]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1) (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-12-22 06:57:22,760 INFO L185 CegarLoopUtils]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2020-12-22 06:57:22,761 INFO L189 CegarLoopUtils]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:22,761 INFO L189 CegarLoopUtils]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:22,761 INFO L189 CegarLoopUtils]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:22,761 INFO L185 CegarLoopUtils]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-12-22 06:57:22,762 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-22 06:57:22,762 INFO L189 CegarLoopUtils]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-12-22 06:57:22,762 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:22,762 INFO L185 CegarLoopUtils]: At program point L350-1(lines 350 356) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-12-22 06:57:22,762 INFO L189 CegarLoopUtils]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,764 INFO L189 CegarLoopUtils]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,765 INFO L189 CegarLoopUtils]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-12-22 06:57:22,766 INFO L189 CegarLoopUtils]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L192 CegarLoopUtils]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,767 INFO L189 CegarLoopUtils]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2020-12-22 06:57:22,768 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:22,769 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-12-22 06:57:22,769 INFO L189 CegarLoopUtils]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,770 INFO L185 CegarLoopUtils]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:22,771 INFO L185 CegarLoopUtils]: At program point L423(lines 418 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:22,771 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-22 06:57:22,773 INFO L185 CegarLoopUtils]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= 0 ~systemActive~0)) .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-12-22 06:57:22,773 INFO L185 CegarLoopUtils]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:22,773 INFO L185 CegarLoopUtils]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-12-22 06:57:22,773 INFO L189 CegarLoopUtils]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,773 INFO L185 CegarLoopUtils]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-12-22 06:57:22,773 INFO L189 CegarLoopUtils]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,773 INFO L189 CegarLoopUtils]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,773 INFO L189 CegarLoopUtils]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,773 INFO L189 CegarLoopUtils]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,774 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:22,774 INFO L189 CegarLoopUtils]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:22,774 INFO L185 CegarLoopUtils]: At program point L987(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,774 INFO L185 CegarLoopUtils]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:22,774 INFO L185 CegarLoopUtils]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,774 INFO L185 CegarLoopUtils]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-12-22 06:57:22,774 INFO L185 CegarLoopUtils]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L185 CegarLoopUtils]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2020-12-22 06:57:22,775 INFO L189 CegarLoopUtils]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,776 INFO L189 CegarLoopUtils]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,777 INFO L189 CegarLoopUtils]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:22,777 INFO L185 CegarLoopUtils]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-12-22 06:57:22,777 INFO L189 CegarLoopUtils]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:57:22,777 INFO L185 CegarLoopUtils]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-12-22 06:57:22,777 INFO L185 CegarLoopUtils]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-12-22 06:57:22,777 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:22,777 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 432) no Hoare annotation was computed. [2020-12-22 06:57:22,778 INFO L192 CegarLoopUtils]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-12-22 06:57:22,778 INFO L185 CegarLoopUtils]: At program point L496(lines 492 498) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) [2020-12-22 06:57:22,778 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:57:22,778 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-12-22 06:57:22,778 INFO L189 CegarLoopUtils]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,778 INFO L189 CegarLoopUtils]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,779 INFO L189 CegarLoopUtils]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,779 INFO L189 CegarLoopUtils]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,780 INFO L189 CegarLoopUtils]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,780 INFO L189 CegarLoopUtils]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:22,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:22 BoogieIcfgContainer [2020-12-22 06:57:22,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:22,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:22,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:22,845 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:22,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51" (3/4) ... [2020-12-22 06:57:22,849 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:22,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:22,886 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:22,888 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:22,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:22,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:22,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:22,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:22,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-12-22 06:57:22,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel [2020-12-22 06:57:22,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-12-22 06:57:22,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2020-12-22 06:57:22,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:22,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-12-22 06:57:22,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:57:22,934 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-12-22 06:57:22,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-12-22 06:57:22,936 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:57:22,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:22,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:22,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:22,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:22,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:57:22,949 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:23,075 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product55.cil.c-witness.graphml [2020-12-22 06:57:23,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:23,077 INFO L168 Benchmark]: Toolchain (without parser) took 33975.22 ms. Allocated memory was 158.3 MB in the beginning and 444.6 MB in the end (delta: 286.3 MB). Free memory was 132.8 MB in the beginning and 279.7 MB in the end (delta: -146.9 MB). Peak memory consumption was 140.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,077 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:23,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.24 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 110.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.60 ms. Allocated memory is still 158.3 MB. Free memory was 110.4 MB in the beginning and 137.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,078 INFO L168 Benchmark]: Boogie Preprocessor took 111.23 ms. Allocated memory is still 158.3 MB. Free memory was 137.9 MB in the beginning and 134.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,079 INFO L168 Benchmark]: RCFGBuilder took 1495.61 ms. Allocated memory is still 158.3 MB. Free memory was 134.2 MB in the beginning and 53.5 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,079 INFO L168 Benchmark]: TraceAbstraction took 31206.02 ms. Allocated memory was 158.3 MB in the beginning and 444.6 MB in the end (delta: 286.3 MB). Free memory was 52.9 MB in the beginning and 295.5 MB in the end (delta: -242.5 MB). Peak memory consumption was 194.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,079 INFO L168 Benchmark]: Witness Printer took 231.50 ms. Allocated memory is still 444.6 MB. Free memory was 295.5 MB in the beginning and 279.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:23,083 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 158.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 756.24 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 110.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 161.60 ms. Allocated memory is still 158.3 MB. Free memory was 110.4 MB in the beginning and 137.9 MB in the end (delta: -27.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.23 ms. Allocated memory is still 158.3 MB. Free memory was 137.9 MB in the beginning and 134.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1495.61 ms. Allocated memory is still 158.3 MB. Free memory was 134.2 MB in the beginning and 53.5 MB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 31206.02 ms. Allocated memory was 158.3 MB in the beginning and 444.6 MB in the end (delta: 286.3 MB). Free memory was 52.9 MB in the beginning and 295.5 MB in the end (delta: -242.5 MB). Peak memory consumption was 194.8 MB. Max. memory is 8.0 GB. * Witness Printer took 231.50 ms. Allocated memory is still 444.6 MB. Free memory was 295.5 MB in the beginning and 279.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 432]: 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 191 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1858 SDtfs, 3475 SDslu, 3939 SDs, 0 SdLazy, 535 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=836occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 4184 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 374 NumberOfFragments, 743 HoareAnnotationTreeSize, 68 FomulaSimplifications, 4029405 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 68 FomulaSimplificationsInter, 1390694 FormulaSimplificationTreeSizeReductionInter, 18.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 58346 SizeOfPredicates, 3 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 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...