/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:48,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:48,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:48,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:48,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:48,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:48,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:48,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:48,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:48,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:48,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:48,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:48,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:48,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:48,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:48,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:48,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:48,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:48,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:48,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:48,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:48,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:48,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:48,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:48,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:48,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:48,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:48,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:48,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:48,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:48,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:48,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:48,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:48,272 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:48,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:48,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:48,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:48,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:48,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:48,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:48,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:48,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:48,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:48,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:48,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:48,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:48,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:48,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:48,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:48,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:48,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:48,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:48,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:48,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:48,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:48,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:48,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:48,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:48,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:48,760 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:48,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-12-22 06:57:48,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a64cabdf/45bc36544d434325a470a18410a80021/FLAGa781bc425 [2020-12-22 06:57:49,721 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:49,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2020-12-22 06:57:49,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a64cabdf/45bc36544d434325a470a18410a80021/FLAGa781bc425 [2020-12-22 06:57:49,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a64cabdf/45bc36544d434325a470a18410a80021 [2020-12-22 06:57:49,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:49,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:49,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:49,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:49,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:49,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cb877b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49, skipping insertion in model container [2020-12-22 06:57:49,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:50,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:50,230 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_product50.cil.c[1281,1294] [2020-12-22 06:57:50,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,393 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:50,415 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_product50.cil.c[1281,1294] [2020-12-22 06:57:50,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,644 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:50,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50 WrapperNode [2020-12-22 06:57:50,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:50,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:50,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:50,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:50,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:50,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:50,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:50,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:52,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:52,112 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2020-12-22 06:57:52,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52 BoogieIcfgContainer [2020-12-22 06:57:52,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:52,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:52,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:52,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:52,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:49" (1/3) ... [2020-12-22 06:57:52,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcea667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (2/3) ... [2020-12-22 06:57:52,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcea667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:52, skipping insertion in model container [2020-12-22 06:57:52,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/3) ... [2020-12-22 06:57:52,124 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-12-22 06:57:52,132 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:52,137 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:52,158 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:52,188 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:52,189 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:52,189 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:52,189 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:52,189 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:52,189 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:52,189 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:52,190 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-12-22 06:57:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:52,218 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,219 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2020-12-22 06:57:52,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722292644] [2020-12-22 06:57:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:52,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722292644] [2020-12-22 06:57:52,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:52,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665980424] [2020-12-22 06:57:52,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:52,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:52,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:52,621 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-12-22 06:57:52,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,688 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2020-12-22 06:57:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:52,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,702 INFO L225 Difference]: With dead ends: 245 [2020-12-22 06:57:52,703 INFO L226 Difference]: Without dead ends: 122 [2020-12-22 06:57:52,707 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-22 06:57:52,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-12-22 06:57:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-22 06:57:52,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-12-22 06:57:52,767 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-12-22 06:57:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,768 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-12-22 06:57:52,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-12-22 06:57:52,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:52,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:52,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,773 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2020-12-22 06:57:52,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201703261] [2020-12-22 06:57:52,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:52,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201703261] [2020-12-22 06:57:52,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:52,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662976963] [2020-12-22 06:57:52,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:52,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:52,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:52,972 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-12-22 06:57:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,995 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-12-22 06:57:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:52,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,998 INFO L225 Difference]: With dead ends: 122 [2020-12-22 06:57:52,999 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:57:53,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:57:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:57:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:57:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-22 06:57:53,019 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-12-22 06:57:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,021 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-22 06:57:53,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-22 06:57:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:53,023 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:53,025 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2020-12-22 06:57:53,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726154088] [2020-12-22 06:57:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726154088] [2020-12-22 06:57:53,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:53,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457688509] [2020-12-22 06:57:53,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,237 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-12-22 06:57:53,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,334 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-12-22 06:57:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:53,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-22 06:57:53,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,338 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:57:53,338 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:57:53,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:53,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:57:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:57:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:57:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-12-22 06:57:53,357 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-12-22 06:57:53,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,358 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-12-22 06:57:53,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-12-22 06:57:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:53,361 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:53,363 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,364 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2020-12-22 06:57:53,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823866943] [2020-12-22 06:57:53,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823866943] [2020-12-22 06:57:53,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322929123] [2020-12-22 06:57:53,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,490 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-12-22 06:57:53,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,554 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-12-22 06:57:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,561 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:57:53,561 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:57:53,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:57:53,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-12-22 06:57:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:57:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-22 06:57:53,591 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-12-22 06:57:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,592 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-22 06:57:53,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-22 06:57:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:53,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,596 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 06:57:53,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:53,597 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,598 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2020-12-22 06:57:53,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70958926] [2020-12-22 06:57:53,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70958926] [2020-12-22 06:57:53,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:53,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132324487] [2020-12-22 06:57:53,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:53,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:53,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:53,740 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-12-22 06:57:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,858 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-12-22 06:57:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:53,859 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-22 06:57:53,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,860 INFO L225 Difference]: With dead ends: 263 [2020-12-22 06:57:53,861 INFO L226 Difference]: Without dead ends: 197 [2020-12-22 06:57:53,861 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 06:57:53,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-22 06:57:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-12-22 06:57:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:57:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-12-22 06:57:53,880 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-12-22 06:57:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,880 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-12-22 06:57:53,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-12-22 06:57:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:53,881 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,882 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 06:57:53,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:53,882 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2020-12-22 06:57:53,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177204926] [2020-12-22 06:57:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:53,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177204926] [2020-12-22 06:57:53,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:53,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368753257] [2020-12-22 06:57:53,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,990 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-12-22 06:57:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,075 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-12-22 06:57:54,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:54,076 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,078 INFO L225 Difference]: With dead ends: 202 [2020-12-22 06:57:54,078 INFO L226 Difference]: Without dead ends: 132 [2020-12-22 06:57:54,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:54,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-22 06:57:54,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-12-22 06:57:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-12-22 06:57:54,091 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-12-22 06:57:54,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,092 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-12-22 06:57:54,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,092 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-12-22 06:57:54,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:54,094 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,095 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2020-12-22 06:57:54,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249571268] [2020-12-22 06:57:54,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249571268] [2020-12-22 06:57:54,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:54,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18969787] [2020-12-22 06:57:54,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:54,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:54,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:54,171 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-12-22 06:57:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,364 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-12-22 06:57:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:54,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:54,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,367 INFO L225 Difference]: With dead ends: 282 [2020-12-22 06:57:54,367 INFO L226 Difference]: Without dead ends: 206 [2020-12-22 06:57:54,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:54,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-12-22 06:57:54,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-12-22 06:57:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-22 06:57:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-12-22 06:57:54,381 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-12-22 06:57:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,382 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-12-22 06:57:54,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-12-22 06:57:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:54,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:54,384 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,385 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2020-12-22 06:57:54,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511271818] [2020-12-22 06:57:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511271818] [2020-12-22 06:57:54,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:54,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088715155] [2020-12-22 06:57:54,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:54,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:54,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,459 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-12-22 06:57:54,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,507 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-12-22 06:57:54,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:54,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:54,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,509 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:57:54,509 INFO L226 Difference]: Without dead ends: 110 [2020-12-22 06:57:54,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-22 06:57:54,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-22 06:57:54,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-22 06:57:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-12-22 06:57:54,541 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-12-22 06:57:54,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,543 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-12-22 06:57:54,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-12-22 06:57:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:54,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:54,550 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2020-12-22 06:57:54,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287781678] [2020-12-22 06:57:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287781678] [2020-12-22 06:57:54,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:54,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:54,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526696344] [2020-12-22 06:57:54,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:54,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:54,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:54,722 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-12-22 06:57:55,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,116 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-12-22 06:57:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:55,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:55,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,119 INFO L225 Difference]: With dead ends: 524 [2020-12-22 06:57:55,120 INFO L226 Difference]: Without dead ends: 449 [2020-12-22 06:57:55,121 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 06:57:55,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-22 06:57:55,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-12-22 06:57:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 06:57:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-12-22 06:57:55,151 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-12-22 06:57:55,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,151 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-12-22 06:57:55,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-12-22 06:57:55,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:57:55,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:55,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:55,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:55,154 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:55,155 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2020-12-22 06:57:55,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:55,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796254581] [2020-12-22 06:57:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796254581] [2020-12-22 06:57:55,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207156182] [2020-12-22 06:57:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:55,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:55,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:55,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:55,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:57:55,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087154786] [2020-12-22 06:57:55,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:57:55,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:55,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:57:55,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:55,613 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 10 states. [2020-12-22 06:57:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:56,050 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-12-22 06:57:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:56,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-22 06:57:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:56,051 INFO L225 Difference]: With dead ends: 434 [2020-12-22 06:57:56,052 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:56,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 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 06:57:56,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:56,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:56,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:57:56,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:56,054 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:56,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:57:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:56,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:56,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:56,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:56,502 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2020-12-22 06:57:56,680 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2020-12-22 06:57:57,248 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2020-12-22 06:57:57,548 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2020-12-22 06:57:57,701 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-12-22 06:57:57,921 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-22 06:57:58,063 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-12-22 06:57:58,221 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2020-12-22 06:57:58,443 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-12-22 06:57:58,659 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-22 06:57:58,770 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-12-22 06:57:59,002 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-12-22 06:57:59,127 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-12-22 06:57:59,344 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2020-12-22 06:57:59,349 INFO L185 CegarLoopUtils]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,349 INFO L185 CegarLoopUtils]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 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 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:59,349 INFO L185 CegarLoopUtils]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2020-12-22 06:57:59,350 INFO L185 CegarLoopUtils]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2020-12-22 06:57:59,350 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,350 INFO L185 CegarLoopUtils]: At program point L333(lines 284 334) the Hoare annotation is: false [2020-12-22 06:57:59,350 INFO L189 CegarLoopUtils]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,350 INFO L189 CegarLoopUtils]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,350 INFO L189 CegarLoopUtils]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,350 INFO L189 CegarLoopUtils]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,351 INFO L189 CegarLoopUtils]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L106(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,352 INFO L189 CegarLoopUtils]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,353 INFO L189 CegarLoopUtils]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,353 INFO L189 CegarLoopUtils]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,353 INFO L189 CegarLoopUtils]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2020-12-22 06:57:59,353 INFO L189 CegarLoopUtils]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-12-22 06:57:59,353 INFO L185 CegarLoopUtils]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,354 INFO L185 CegarLoopUtils]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 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 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:59,354 INFO L185 CegarLoopUtils]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2020-12-22 06:57:59,354 INFO L185 CegarLoopUtils]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2020-12-22 06:57:59,354 INFO L185 CegarLoopUtils]: At program point L240(lines 225 243) the Hoare annotation is: false [2020-12-22 06:57:59,354 INFO L185 CegarLoopUtils]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,355 INFO L185 CegarLoopUtils]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2020-12-22 06:57:59,355 INFO L185 CegarLoopUtils]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2020-12-22 06:57:59,355 INFO L185 CegarLoopUtils]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2020-12-22 06:57:59,355 INFO L185 CegarLoopUtils]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2020-12-22 06:57:59,355 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,355 INFO L189 CegarLoopUtils]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,356 INFO L189 CegarLoopUtils]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2020-12-22 06:57:59,357 INFO L185 CegarLoopUtils]: At program point L441(lines 436 444) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,357 INFO L185 CegarLoopUtils]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2020-12-22 06:57:59,357 INFO L185 CegarLoopUtils]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2020-12-22 06:57:59,357 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,357 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,357 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,358 INFO L189 CegarLoopUtils]: For program point L839(lines 839 856) no Hoare annotation was computed. [2020-12-22 06:57:59,358 INFO L185 CegarLoopUtils]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,358 INFO L189 CegarLoopUtils]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2020-12-22 06:57:59,358 INFO L185 CegarLoopUtils]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2020-12-22 06:57:59,358 INFO L189 CegarLoopUtils]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2020-12-22 06:57:59,358 INFO L185 CegarLoopUtils]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2020-12-22 06:57:59,359 INFO L185 CegarLoopUtils]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,359 INFO L185 CegarLoopUtils]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2020-12-22 06:57:59,359 INFO L185 CegarLoopUtils]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2020-12-22 06:57:59,359 INFO L189 CegarLoopUtils]: For program point L843(lines 843 853) no Hoare annotation was computed. [2020-12-22 06:57:59,359 INFO L189 CegarLoopUtils]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L185 CegarLoopUtils]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-12-22 06:57:59,360 INFO L189 CegarLoopUtils]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-12-22 06:57:59,361 INFO L189 CegarLoopUtils]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2020-12-22 06:57:59,361 INFO L189 CegarLoopUtils]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2020-12-22 06:57:59,361 INFO L189 CegarLoopUtils]: For program point L911(line 911) no Hoare annotation was computed. [2020-12-22 06:57:59,361 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,361 INFO L185 CegarLoopUtils]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6))) [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 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 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2020-12-22 06:57:59,362 INFO L185 CegarLoopUtils]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,363 INFO L185 CegarLoopUtils]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2020-12-22 06:57:59,363 INFO L185 CegarLoopUtils]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2020-12-22 06:57:59,363 INFO L189 CegarLoopUtils]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-12-22 06:57:59,363 INFO L189 CegarLoopUtils]: For program point L253(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,363 INFO L189 CegarLoopUtils]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,363 INFO L189 CegarLoopUtils]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,363 INFO L189 CegarLoopUtils]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L189 CegarLoopUtils]: For program point L982(lines 982 989) no Hoare annotation was computed. [2020-12-22 06:57:59,364 INFO L192 CegarLoopUtils]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2020-12-22 06:57:59,365 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,365 INFO L185 CegarLoopUtils]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,365 INFO L189 CegarLoopUtils]: For program point L323(lines 323 327) no Hoare annotation was computed. [2020-12-22 06:57:59,365 INFO L185 CegarLoopUtils]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,365 INFO L185 CegarLoopUtils]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:57:59,366 INFO L185 CegarLoopUtils]: At program point L259(lines 244 262) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,366 INFO L185 CegarLoopUtils]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2020-12-22 06:57:59,366 INFO L185 CegarLoopUtils]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2020-12-22 06:57:59,366 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,366 INFO L189 CegarLoopUtils]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,366 INFO L189 CegarLoopUtils]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-12-22 06:57:59,367 INFO L189 CegarLoopUtils]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L185 CegarLoopUtils]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~9 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= 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 .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,368 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L189 CegarLoopUtils]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L189 CegarLoopUtils]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-12-22 06:57:59,368 INFO L192 CegarLoopUtils]: At program point L991(lines 972 994) the Hoare annotation is: true [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~9 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L431(lines 422 435) the Hoare annotation is: false [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~9 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 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 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2020-12-22 06:57:59,369 INFO L185 CegarLoopUtils]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2020-12-22 06:57:59,370 INFO L185 CegarLoopUtils]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2020-12-22 06:57:59,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:59 BoogieIcfgContainer [2020-12-22 06:57:59,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:59,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:59,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:59,428 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:59,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:52" (3/4) ... [2020-12-22 06:57:59,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:59,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:59,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:59,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:59,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:59,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:59,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,460 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:59,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:59,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:59,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:59,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product50.cil.c-witness.graphml [2020-12-22 06:57:59,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:59,615 INFO L168 Benchmark]: Toolchain (without parser) took 9660.47 ms. Allocated memory was 157.3 MB in the beginning and 249.6 MB in the end (delta: 92.3 MB). Free memory was 132.6 MB in the beginning and 194.5 MB in the end (delta: -62.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,616 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 157.3 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:59,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.16 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 136.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.86 ms. Allocated memory is still 157.3 MB. Free memory was 136.7 MB in the beginning and 132.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,617 INFO L168 Benchmark]: Boogie Preprocessor took 116.13 ms. Allocated memory is still 157.3 MB. Free memory was 132.9 MB in the beginning and 130.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,617 INFO L168 Benchmark]: RCFGBuilder took 1263.42 ms. Allocated memory is still 157.3 MB. Free memory was 130.1 MB in the beginning and 103.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,618 INFO L168 Benchmark]: TraceAbstraction took 7311.08 ms. Allocated memory was 157.3 MB in the beginning and 249.6 MB in the end (delta: 92.3 MB). Free memory was 103.1 MB in the beginning and 205.6 MB in the end (delta: -102.5 MB). Peak memory consumption was 110.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,618 INFO L168 Benchmark]: Witness Printer took 185.81 ms. Allocated memory is still 249.6 MB. Free memory was 205.6 MB in the beginning and 194.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:59,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 157.3 MB. Free memory is still 140.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 683.16 ms. Allocated memory is still 157.3 MB. Free memory was 132.3 MB in the beginning and 136.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 86.86 ms. Allocated memory is still 157.3 MB. Free memory was 136.7 MB in the beginning and 132.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 116.13 ms. Allocated memory is still 157.3 MB. Free memory was 132.9 MB in the beginning and 130.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1263.42 ms. Allocated memory is still 157.3 MB. Free memory was 130.1 MB in the beginning and 103.6 MB in the end (delta: 26.5 MB). Peak memory consumption was 35.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7311.08 ms. Allocated memory was 157.3 MB in the beginning and 249.6 MB in the end (delta: 92.3 MB). Free memory was 103.1 MB in the beginning and 205.6 MB in the end (delta: -102.5 MB). Peak memory consumption was 110.8 MB. Max. memory is 8.0 GB. * Witness Printer took 185.81 ms. Allocated memory is still 249.6 MB. Free memory was 205.6 MB in the beginning and 194.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 422]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && tmp == 1) && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((1 <= pumpRunning && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == 1) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1042 SDtfs, 1754 SDslu, 1459 SDs, 0 SdLazy, 264 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 902 HoareAnnotationTreeSize, 50 FomulaSimplifications, 81465 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 50 FomulaSimplificationsInter, 14874 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 31186 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 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...