/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:54,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:54,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:54,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:54,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:54,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:54,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:54,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:54,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:54,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:54,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:54,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:54,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:54,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:54,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:54,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:54,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:54,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:54,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:54,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:54,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:54,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:54,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:54,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:54,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:54,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:54,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:54,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:54,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:54,626 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:54,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:54,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:54,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:54,632 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:54,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:54,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:54,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:54,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:54,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:54,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:54,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:54,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:54,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:54,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:54,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:54,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:54,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:54,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:54,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:54,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:54,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:54,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:54,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:54,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:54,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:55,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:55,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:55,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:55,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:55,122 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:55,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2020-12-22 06:57:55,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fb3fb92c/fd2abdb40bc7406c85c81fa348948110/FLAG1373683a9 [2020-12-22 06:57:55,883 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:55,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2020-12-22 06:57:55,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fb3fb92c/fd2abdb40bc7406c85c81fa348948110/FLAG1373683a9 [2020-12-22 06:57:56,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fb3fb92c/fd2abdb40bc7406c85c81fa348948110 [2020-12-22 06:57:56,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:56,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:56,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:56,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:56,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:56,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:56,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324327b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56, skipping insertion in model container [2020-12-22 06:57:56,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:56,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:56,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:56,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2020-12-22 06:57:56,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:56,761 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:56,784 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c[1281,1294] [2020-12-22 06:57:56,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:56,916 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:56,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56 WrapperNode [2020-12-22 06:57:56,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:56,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:56,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:56,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:56,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:56,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:57,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:57,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:57,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:57,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... [2020-12-22 06:57:57,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:57,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:57,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:57,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:57,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:57,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:57,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:57,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:58,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:58,426 INFO L299 CfgBuilder]: Removed 206 assume(true) statements. [2020-12-22 06:57:58,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:58 BoogieIcfgContainer [2020-12-22 06:57:58,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:58,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:58,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:58,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:58,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:56" (1/3) ... [2020-12-22 06:57:58,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1444c4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:58, skipping insertion in model container [2020-12-22 06:57:58,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:56" (2/3) ... [2020-12-22 06:57:58,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1444c4f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:58, skipping insertion in model container [2020-12-22 06:57:58,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:58" (3/3) ... [2020-12-22 06:57:58,443 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-12-22 06:57:58,451 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:58,456 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:58,478 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:58,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:58,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:58,504 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:58,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:58,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:58,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:58,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:58,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-12-22 06:57:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:58,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:58,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:58,538 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:58,544 INFO L82 PathProgramCache]: Analyzing trace with hash -947048074, now seen corresponding path program 1 times [2020-12-22 06:57:58,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:58,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322650261] [2020-12-22 06:57:58,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:58,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322650261] [2020-12-22 06:57:58,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:58,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:58,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40873979] [2020-12-22 06:57:58,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:58,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:58,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:58,898 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-12-22 06:57:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:58,977 INFO L93 Difference]: Finished difference Result 281 states and 418 transitions. [2020-12-22 06:57:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:58,978 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:58,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:59,010 INFO L225 Difference]: With dead ends: 281 [2020-12-22 06:57:59,010 INFO L226 Difference]: Without dead ends: 140 [2020-12-22 06:57:59,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:59,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-12-22 06:57:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-12-22 06:57:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:57:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 201 transitions. [2020-12-22 06:57:59,102 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 201 transitions. Word has length 19 [2020-12-22 06:57:59,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:59,103 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 201 transitions. [2020-12-22 06:57:59,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 201 transitions. [2020-12-22 06:57:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:59,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:59,108 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:59,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:59,110 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:59,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:59,111 INFO L82 PathProgramCache]: Analyzing trace with hash 858971479, now seen corresponding path program 1 times [2020-12-22 06:57:59,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:59,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796981692] [2020-12-22 06:57:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:59,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796981692] [2020-12-22 06:57:59,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:59,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:59,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349514824] [2020-12-22 06:57:59,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:59,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:59,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:59,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:59,345 INFO L87 Difference]: Start difference. First operand 140 states and 201 transitions. Second operand 3 states. [2020-12-22 06:57:59,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:59,359 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2020-12-22 06:57:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:59,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:59,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:59,361 INFO L225 Difference]: With dead ends: 140 [2020-12-22 06:57:59,361 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:57:59,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:59,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:57:59,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:57:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:57:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2020-12-22 06:57:59,369 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2020-12-22 06:57:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:59,370 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2020-12-22 06:57:59,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:59,370 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-12-22 06:57:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:59,371 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:59,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:59,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:59,372 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:59,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1840859928, now seen corresponding path program 1 times [2020-12-22 06:57:59,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:59,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181668727] [2020-12-22 06:57:59,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:59,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181668727] [2020-12-22 06:57:59,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:59,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:59,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672600807] [2020-12-22 06:57:59,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:59,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:59,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:59,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:59,509 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand 6 states. [2020-12-22 06:57:59,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:59,685 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2020-12-22 06:57:59,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:59,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-22 06:57:59,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:59,687 INFO L225 Difference]: With dead ends: 107 [2020-12-22 06:57:59,687 INFO L226 Difference]: Without dead ends: 57 [2020-12-22 06:57:59,688 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 06:57:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-12-22 06:57:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-12-22 06:57:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-12-22 06:57:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-12-22 06:57:59,696 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 26 [2020-12-22 06:57:59,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:59,696 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-12-22 06:57:59,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-12-22 06:57:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:59,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:59,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:59,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:59,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:59,699 INFO L82 PathProgramCache]: Analyzing trace with hash 655441665, now seen corresponding path program 1 times [2020-12-22 06:57:59,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:59,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315542219] [2020-12-22 06:57:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:59,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315542219] [2020-12-22 06:57:59,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:59,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:59,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547794350] [2020-12-22 06:57:59,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:59,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:59,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:59,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:59,768 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 3 states. [2020-12-22 06:57:59,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:59,808 INFO L93 Difference]: Finished difference Result 131 states and 187 transitions. [2020-12-22 06:57:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:59,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:59,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:59,810 INFO L225 Difference]: With dead ends: 131 [2020-12-22 06:57:59,810 INFO L226 Difference]: Without dead ends: 81 [2020-12-22 06:57:59,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-22 06:57:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2020-12-22 06:57:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-22 06:57:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 110 transitions. [2020-12-22 06:57:59,821 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 110 transitions. Word has length 28 [2020-12-22 06:57:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:59,821 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 110 transitions. [2020-12-22 06:57:59,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2020-12-22 06:57:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:59,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:59,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:59,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:59,824 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:59,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:59,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1335383949, now seen corresponding path program 1 times [2020-12-22 06:57:59,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:59,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26046230] [2020-12-22 06:57:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:59,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26046230] [2020-12-22 06:57:59,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:59,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:59,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895865135] [2020-12-22 06:57:59,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:59,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:59,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:59,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:59,956 INFO L87 Difference]: Start difference. First operand 79 states and 110 transitions. Second operand 5 states. [2020-12-22 06:58:00,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:00,089 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2020-12-22 06:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:58:00,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:58:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:00,091 INFO L225 Difference]: With dead ends: 266 [2020-12-22 06:58:00,091 INFO L226 Difference]: Without dead ends: 194 [2020-12-22 06:58:00,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:58:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-12-22 06:58:00,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 78. [2020-12-22 06:58:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-22 06:58:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 107 transitions. [2020-12-22 06:58:00,105 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 107 transitions. Word has length 34 [2020-12-22 06:58:00,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:00,105 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 107 transitions. [2020-12-22 06:58:00,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2020-12-22 06:58:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:58:00,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:00,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:00,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:58:00,108 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:00,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:00,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1094266678, now seen corresponding path program 1 times [2020-12-22 06:58:00,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:00,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570418074] [2020-12-22 06:58:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:00,174 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 06:58:00,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570418074] [2020-12-22 06:58:00,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:00,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:58:00,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944141138] [2020-12-22 06:58:00,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:58:00,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:00,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:58:00,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:58:00,177 INFO L87 Difference]: Start difference. First operand 78 states and 107 transitions. Second operand 5 states. [2020-12-22 06:58:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:00,250 INFO L93 Difference]: Finished difference Result 198 states and 272 transitions. [2020-12-22 06:58:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:58:00,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-12-22 06:58:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:00,252 INFO L225 Difference]: With dead ends: 198 [2020-12-22 06:58:00,252 INFO L226 Difference]: Without dead ends: 127 [2020-12-22 06:58:00,253 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 06:58:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-12-22 06:58:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2020-12-22 06:58:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-22 06:58:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-12-22 06:58:00,263 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 37 [2020-12-22 06:58:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:00,264 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-12-22 06:58:00,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:58:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-12-22 06:58:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:58:00,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:00,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:00,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:58:00,266 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 83149428, now seen corresponding path program 1 times [2020-12-22 06:58:00,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:00,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430689398] [2020-12-22 06:58:00,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:00,408 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 06:58:00,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430689398] [2020-12-22 06:58:00,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:00,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:58:00,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070721003] [2020-12-22 06:58:00,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:58:00,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:00,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:58:00,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:58:00,412 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 6 states. [2020-12-22 06:58:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:00,521 INFO L93 Difference]: Finished difference Result 215 states and 289 transitions. [2020-12-22 06:58:00,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:58:00,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-22 06:58:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:00,523 INFO L225 Difference]: With dead ends: 215 [2020-12-22 06:58:00,523 INFO L226 Difference]: Without dead ends: 138 [2020-12-22 06:58:00,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:58:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-12-22 06:58:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 88. [2020-12-22 06:58:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-22 06:58:00,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2020-12-22 06:58:00,536 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 37 [2020-12-22 06:58:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:00,536 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2020-12-22 06:58:00,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:58:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2020-12-22 06:58:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:58:00,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:00,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:00,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:58:00,538 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:00,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:00,539 INFO L82 PathProgramCache]: Analyzing trace with hash -937918926, now seen corresponding path program 1 times [2020-12-22 06:58:00,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:00,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963621661] [2020-12-22 06:58:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:00,617 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 06:58:00,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963621661] [2020-12-22 06:58:00,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:00,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:58:00,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630928107] [2020-12-22 06:58:00,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:58:00,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:00,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:58:00,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:58:00,621 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand 3 states. [2020-12-22 06:58:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:00,659 INFO L93 Difference]: Finished difference Result 197 states and 263 transitions. [2020-12-22 06:58:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:58:00,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-22 06:58:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:00,661 INFO L225 Difference]: With dead ends: 197 [2020-12-22 06:58:00,661 INFO L226 Difference]: Without dead ends: 116 [2020-12-22 06:58:00,662 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 06:58:00,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-22 06:58:00,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-12-22 06:58:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-12-22 06:58:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 151 transitions. [2020-12-22 06:58:00,682 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 151 transitions. Word has length 37 [2020-12-22 06:58:00,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:00,682 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 151 transitions. [2020-12-22 06:58:00,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:58:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 151 transitions. [2020-12-22 06:58:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-22 06:58:00,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:00,687 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:00,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:58:00,687 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:00,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:00,688 INFO L82 PathProgramCache]: Analyzing trace with hash 597879026, now seen corresponding path program 1 times [2020-12-22 06:58:00,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:00,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926883765] [2020-12-22 06:58:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:00,843 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 06:58:00,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926883765] [2020-12-22 06:58:00,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:58:00,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:58:00,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835362392] [2020-12-22 06:58:00,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:58:00,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:00,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:58:00,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:58:00,852 INFO L87 Difference]: Start difference. First operand 116 states and 151 transitions. Second operand 7 states. [2020-12-22 06:58:01,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:01,224 INFO L93 Difference]: Finished difference Result 545 states and 731 transitions. [2020-12-22 06:58:01,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:58:01,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-22 06:58:01,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:01,228 INFO L225 Difference]: With dead ends: 545 [2020-12-22 06:58:01,228 INFO L226 Difference]: Without dead ends: 464 [2020-12-22 06:58:01,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:58:01,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-12-22 06:58:01,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 196. [2020-12-22 06:58:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-12-22 06:58:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 255 transitions. [2020-12-22 06:58:01,275 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 255 transitions. Word has length 38 [2020-12-22 06:58:01,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:01,277 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 255 transitions. [2020-12-22 06:58:01,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:58:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2020-12-22 06:58:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 06:58:01,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:58:01,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:58:01,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:58:01,282 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:58:01,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:58:01,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1086391584, now seen corresponding path program 1 times [2020-12-22 06:58:01,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:58:01,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100592728] [2020-12-22 06:58:01,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:58:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:01,431 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:01,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100592728] [2020-12-22 06:58:01,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421111728] [2020-12-22 06:58:01,432 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 06:58:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:58:01,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:58:01,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:58:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:58:01,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:58:01,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:58:01,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172611644] [2020-12-22 06:58:01,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:58:01,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:58:01,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:58:01,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:58:01,795 INFO L87 Difference]: Start difference. First operand 196 states and 255 transitions. Second operand 10 states. [2020-12-22 06:58:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:58:02,215 INFO L93 Difference]: Finished difference Result 443 states and 594 transitions. [2020-12-22 06:58:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:58:02,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2020-12-22 06:58:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:58:02,216 INFO L225 Difference]: With dead ends: 443 [2020-12-22 06:58:02,217 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:58:02,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:58:02,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:58:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:58:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:58:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:58:02,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-12-22 06:58:02,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:58:02,219 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:58:02,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:58:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:58:02,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:58:02,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:58:02,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:58:02,926 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 71 [2020-12-22 06:58:03,510 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2020-12-22 06:58:03,710 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2020-12-22 06:58:04,013 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-12-22 06:58:04,166 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2020-12-22 06:58:04,514 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-12-22 06:58:04,623 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2020-12-22 06:58:04,826 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-12-22 06:58:04,942 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-12-22 06:58:05,101 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-12-22 06:58:05,306 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 27 [2020-12-22 06:58:05,395 INFO L189 CegarLoopUtils]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-12-22 06:58:05,395 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L102(line 102) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L763(lines 763 767) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L763-2(lines 757 768) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L830(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L830-1(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L830-2(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,396 INFO L189 CegarLoopUtils]: For program point L830-3(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L830-4(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L830-5(lines 830 838) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L699(lines 699 709) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L699-2(lines 699 709) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L699-4(lines 699 709) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L204(lines 204 208) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L204-3(lines 204 208) no Hoare annotation was computed. [2020-12-22 06:58:05,397 INFO L189 CegarLoopUtils]: For program point L105(lines 105 109) no Hoare annotation was computed. [2020-12-22 06:58:05,398 INFO L189 CegarLoopUtils]: For program point L105-1(lines 105 109) no Hoare annotation was computed. [2020-12-22 06:58:05,398 INFO L189 CegarLoopUtils]: For program point L204-6(lines 204 208) no Hoare annotation was computed. [2020-12-22 06:58:05,398 INFO L185 CegarLoopUtils]: At program point L997(lines 982 1000) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,398 INFO L185 CegarLoopUtils]: At program point L997-1(lines 982 1000) the Hoare annotation is: false [2020-12-22 06:58:05,398 INFO L185 CegarLoopUtils]: At program point L997-2(lines 982 1000) the Hoare annotation is: false [2020-12-22 06:58:05,399 INFO L189 CegarLoopUtils]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-12-22 06:58:05,399 INFO L189 CegarLoopUtils]: For program point L700-2(lines 700 706) no Hoare annotation was computed. [2020-12-22 06:58:05,399 INFO L189 CegarLoopUtils]: For program point L700-4(lines 700 706) no Hoare annotation was computed. [2020-12-22 06:58:05,399 INFO L185 CegarLoopUtils]: At program point L801(lines 801 807) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,399 INFO L185 CegarLoopUtils]: At program point L801-1(lines 801 807) the Hoare annotation is: false [2020-12-22 06:58:05,399 INFO L185 CegarLoopUtils]: At program point L801-2(lines 801 807) the Hoare annotation is: false [2020-12-22 06:58:05,400 INFO L185 CegarLoopUtils]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,400 INFO L185 CegarLoopUtils]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-12-22 06:58:05,400 INFO L185 CegarLoopUtils]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-12-22 06:58:05,400 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,400 INFO L185 CegarLoopUtils]: At program point L241(lines 236 244) the Hoare annotation is: false [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L241-1(lines 236 244) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L241-2(lines 236 244) the Hoare annotation is: false [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L241-3(lines 236 244) the Hoare annotation is: false [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L241-4(lines 236 244) the Hoare annotation is: false [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L76(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:58:05,401 INFO L185 CegarLoopUtils]: At program point L241-5(lines 236 244) the Hoare annotation is: false [2020-12-22 06:58:05,402 INFO L189 CegarLoopUtils]: For program point L737(lines 737 743) no Hoare annotation was computed. [2020-12-22 06:58:05,402 INFO L185 CegarLoopUtils]: At program point L737-1(lines 737 743) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,402 INFO L189 CegarLoopUtils]: For program point L178(lines 178 185) no Hoare annotation was computed. [2020-12-22 06:58:05,402 INFO L192 CegarLoopUtils]: At program point L178-1(lines 178 185) the Hoare annotation is: true [2020-12-22 06:58:05,402 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,402 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,402 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,403 INFO L185 CegarLoopUtils]: At program point L773(lines 726 774) the Hoare annotation is: false [2020-12-22 06:58:05,403 INFO L185 CegarLoopUtils]: At program point L674(lines 669 676) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,403 INFO L189 CegarLoopUtils]: For program point L972(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,403 INFO L189 CegarLoopUtils]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,403 INFO L189 CegarLoopUtils]: For program point L972-3(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,403 INFO L189 CegarLoopUtils]: For program point L972-5(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,403 INFO L189 CegarLoopUtils]: For program point L972-6(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-8(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-9(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-11(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-12(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-14(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-15(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L972-17(lines 972 976) no Hoare annotation was computed. [2020-12-22 06:58:05,404 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L281-3(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L281-5(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L189 CegarLoopUtils]: For program point L216(lines 216 220) no Hoare annotation was computed. [2020-12-22 06:58:05,405 INFO L185 CegarLoopUtils]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,406 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:58:05,406 INFO L185 CegarLoopUtils]: At program point L152(lines 148 154) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,406 INFO L185 CegarLoopUtils]: At program point L978(lines 963 981) the Hoare annotation is: false [2020-12-22 06:58:05,406 INFO L185 CegarLoopUtils]: At program point L978-1(lines 963 981) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,406 INFO L185 CegarLoopUtils]: At program point L978-2(lines 963 981) the Hoare annotation is: false [2020-12-22 06:58:05,406 INFO L185 CegarLoopUtils]: At program point L978-3(lines 963 981) the Hoare annotation is: false [2020-12-22 06:58:05,407 INFO L185 CegarLoopUtils]: At program point L978-4(lines 963 981) the Hoare annotation is: false [2020-12-22 06:58:05,407 INFO L185 CegarLoopUtils]: At program point L978-5(lines 963 981) the Hoare annotation is: false [2020-12-22 06:58:05,407 INFO L189 CegarLoopUtils]: For program point L747(lines 747 753) no Hoare annotation was computed. [2020-12-22 06:58:05,407 INFO L185 CegarLoopUtils]: At program point L747-1(lines 747 753) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,407 INFO L185 CegarLoopUtils]: At program point L286(lines 277 290) the Hoare annotation is: false [2020-12-22 06:58:05,407 INFO L185 CegarLoopUtils]: At program point L286-1(lines 277 290) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L286-2(lines 277 290) the Hoare annotation is: false [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L286-3(lines 277 290) the Hoare annotation is: false [2020-12-22 06:58:05,408 INFO L192 CegarLoopUtils]: At program point L187(lines 168 190) the Hoare annotation is: true [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L286-4(lines 277 290) the Hoare annotation is: false [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L286-5(lines 277 290) the Hoare annotation is: false [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L914(lines 907 917) the Hoare annotation is: false [2020-12-22 06:58:05,408 INFO L185 CegarLoopUtils]: At program point L914-1(lines 907 917) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L914-2(lines 907 917) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L914-3(lines 907 917) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L914-4(lines 907 917) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L914-5(lines 907 917) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L684(lines 794 800) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L684-1(lines 794 800) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L185 CegarLoopUtils]: At program point L684-2(lines 794 800) the Hoare annotation is: false [2020-12-22 06:58:05,409 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L852(lines 852 869) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L852-1(lines 852 869) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L889(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L856(lines 856 864) no Hoare annotation was computed. [2020-12-22 06:58:05,410 INFO L189 CegarLoopUtils]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,411 INFO L189 CegarLoopUtils]: For program point L856-1(lines 856 864) no Hoare annotation was computed. [2020-12-22 06:58:05,412 INFO L189 CegarLoopUtils]: For program point L856-2(lines 856 864) no Hoare annotation was computed. [2020-12-22 06:58:05,412 INFO L189 CegarLoopUtils]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-12-22 06:58:05,412 INFO L189 CegarLoopUtils]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,412 INFO L189 CegarLoopUtils]: For program point L889-6(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,412 INFO L189 CegarLoopUtils]: For program point L889-8(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,413 INFO L189 CegarLoopUtils]: For program point L889-10(lines 889 895) no Hoare annotation was computed. [2020-12-22 06:58:05,413 INFO L185 CegarLoopUtils]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:05,413 INFO L185 CegarLoopUtils]: At program point L923-1(lines 918 926) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:05,413 INFO L185 CegarLoopUtils]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L923-3(lines 918 926) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L923-4(lines 918 926) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L923-5(lines 918 926) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L296(lines 291 299) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L296-1(lines 291 299) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L185 CegarLoopUtils]: At program point L296-2(lines 291 299) the Hoare annotation is: false [2020-12-22 06:58:05,414 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L991(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L991-2(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L991-3(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L826(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L991-5(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L826-1(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L991-6(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,415 INFO L189 CegarLoopUtils]: For program point L826-2(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,416 INFO L189 CegarLoopUtils]: For program point L826-3(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,416 INFO L189 CegarLoopUtils]: For program point L991-8(lines 991 995) no Hoare annotation was computed. [2020-12-22 06:58:05,416 INFO L189 CegarLoopUtils]: For program point L826-4(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,416 INFO L189 CegarLoopUtils]: For program point L826-5(lines 826 843) no Hoare annotation was computed. [2020-12-22 06:58:05,416 INFO L185 CegarLoopUtils]: At program point L794(lines 790 812) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:58:05,416 INFO L185 CegarLoopUtils]: At program point L794-1(lines 790 812) the Hoare annotation is: false [2020-12-22 06:58:05,416 INFO L189 CegarLoopUtils]: For program point L728(lines 727 772) no Hoare annotation was computed. [2020-12-22 06:58:05,417 INFO L185 CegarLoopUtils]: At program point L794-2(lines 790 812) the Hoare annotation is: false [2020-12-22 06:58:05,417 INFO L189 CegarLoopUtils]: For program point L695(lines 695 712) no Hoare annotation was computed. [2020-12-22 06:58:05,417 INFO L185 CegarLoopUtils]: At program point L695-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~4 2) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse4 .cse5))) [2020-12-22 06:58:05,417 INFO L189 CegarLoopUtils]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2020-12-22 06:58:05,417 INFO L185 CegarLoopUtils]: At program point L695-3(lines 1 1000) the Hoare annotation is: false [2020-12-22 06:58:05,417 INFO L189 CegarLoopUtils]: For program point L695-4(lines 695 712) no Hoare annotation was computed. [2020-12-22 06:58:05,417 INFO L185 CegarLoopUtils]: At program point L695-5(lines 1 1000) the Hoare annotation is: false [2020-12-22 06:58:05,418 INFO L185 CegarLoopUtils]: At program point L101-2(lines 101 115) the Hoare annotation is: false [2020-12-22 06:58:05,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:58:05 BoogieIcfgContainer [2020-12-22 06:58:05,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:58:05,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:58:05,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:58:05,496 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:58:05,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:58" (3/4) ... [2020-12-22 06:58:05,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:58:05,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:58:05,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:58:05,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:58:05,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:58:05,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:58:05,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:05,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:58:05,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:58:05,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && \result == 1 [2020-12-22 06:58:05,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && \result == 1 [2020-12-22 06:58:05,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && tmp <= 2) && tmp == 1) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,580 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,587 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:05,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:05,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) [2020-12-22 06:58:05,599 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:05,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 [2020-12-22 06:58:05,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product57.cil.c-witness.graphml [2020-12-22 06:58:05,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:58:05,713 INFO L168 Benchmark]: Toolchain (without parser) took 9514.54 ms. Allocated memory was 152.0 MB in the beginning and 244.3 MB in the end (delta: 92.3 MB). Free memory was 126.1 MB in the beginning and 196.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,713 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:58:05,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.64 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.98 ms. Allocated memory is still 152.0 MB. Free memory was 104.2 MB in the beginning and 99.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,714 INFO L168 Benchmark]: Boogie Preprocessor took 148.13 ms. Allocated memory is still 152.0 MB. Free memory was 99.9 MB in the beginning and 132.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,715 INFO L168 Benchmark]: RCFGBuilder took 1237.03 ms. Allocated memory is still 152.0 MB. Free memory was 132.0 MB in the beginning and 62.2 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,715 INFO L168 Benchmark]: TraceAbstraction took 7063.57 ms. Allocated memory was 152.0 MB in the beginning and 244.3 MB in the end (delta: 92.3 MB). Free memory was 61.7 MB in the beginning and 208.9 MB in the end (delta: -147.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,715 INFO L168 Benchmark]: Witness Printer took 216.24 ms. Allocated memory is still 244.3 MB. Free memory was 208.9 MB in the beginning and 196.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:58:05,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 714.64 ms. Allocated memory is still 152.0 MB. Free memory was 125.9 MB in the beginning and 104.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 122.98 ms. Allocated memory is still 152.0 MB. Free memory was 104.2 MB in the beginning and 99.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 148.13 ms. Allocated memory is still 152.0 MB. Free memory was 99.9 MB in the beginning and 132.0 MB in the end (delta: -32.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1237.03 ms. Allocated memory is still 152.0 MB. Free memory was 132.0 MB in the beginning and 62.2 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7063.57 ms. Allocated memory was 152.0 MB in the beginning and 244.3 MB in the end (delta: 92.3 MB). Free memory was 61.7 MB in the beginning and 208.9 MB in the end (delta: -147.2 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. * Witness Printer took 216.24 ms. Allocated memory is still 244.3 MB. Free memory was 208.9 MB in the beginning and 196.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && tmp <= 2) && tmp == 1) && \result == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && \result <= 2) && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive) && \result == 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && tmp == systemActive) && waterLevel <= 2) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1136 SDtfs, 1835 SDslu, 1471 SDs, 0 SdLazy, 262 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 479 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 61 PreInvPairs, 155 NumberOfFragments, 856 HoareAnnotationTreeSize, 61 FomulaSimplifications, 61121 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 8005 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 35135 SizeOfPredicates, 3 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...