/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_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:37,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:37,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:37,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:37,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:37,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:37,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:37,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:37,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:37,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:37,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:37,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:37,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:37,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:37,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:37,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:37,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:37,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:37,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:37,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:37,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:37,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:37,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:37,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:37,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:37,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:37,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:37,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:37,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:37,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:37,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:37,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:37,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:37,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:37,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:37,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:37,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:37,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:37,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:37,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:37,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:37,241 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:37,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:37,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:37,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:37,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:37,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:37,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:37,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:37,243 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:37,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:37,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:37,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:37,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:37,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:37,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:37,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:37,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:37,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:37,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:37,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:37,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:37,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:37,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:37,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:37,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:37,650 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:37,651 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:37,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-12-22 06:55:37,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e62e8b3/81e21936b53d4850a5e5d4dd79eee971/FLAG6a3984e2e [2020-12-22 06:55:38,406 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:38,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2020-12-22 06:55:38,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e62e8b3/81e21936b53d4850a5e5d4dd79eee971/FLAG6a3984e2e [2020-12-22 06:55:38,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e62e8b3/81e21936b53d4850a5e5d4dd79eee971 [2020-12-22 06:55:38,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:38,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:38,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:38,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:38,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:38,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fa0cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:38, skipping insertion in model container [2020-12-22 06:55:38,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:38" (1/1) ... [2020-12-22 06:55:38,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:38,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:39,114 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_spec3_product42.cil.c[7153,7166] [2020-12-22 06:55:39,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:39,218 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:39,307 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_spec3_product42.cil.c[7153,7166] [2020-12-22 06:55:39,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:39,397 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:39,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39 WrapperNode [2020-12-22 06:55:39,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:39,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:39,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:39,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:39,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:39,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:39,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:39,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:39,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (1/1) ... [2020-12-22 06:55:39,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:39,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:39,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:39,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:39,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (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 06:55:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:40,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:40,860 INFO L299 CfgBuilder]: Removed 122 assume(true) statements. [2020-12-22 06:55:40,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40 BoogieIcfgContainer [2020-12-22 06:55:40,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:40,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:40,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:40,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:40,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:38" (1/3) ... [2020-12-22 06:55:40,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c910575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:40, skipping insertion in model container [2020-12-22 06:55:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:39" (2/3) ... [2020-12-22 06:55:40,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c910575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:40, skipping insertion in model container [2020-12-22 06:55:40,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40" (3/3) ... [2020-12-22 06:55:40,881 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2020-12-22 06:55:40,898 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:40,908 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:40,930 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:40,979 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:40,979 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:40,979 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:40,980 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:40,982 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:40,982 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:40,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:40,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-12-22 06:55:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:41,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,029 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1623272414, now seen corresponding path program 1 times [2020-12-22 06:55:41,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067011715] [2020-12-22 06:55:41,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,352 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 06:55:41,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067011715] [2020-12-22 06:55:41,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:41,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254220249] [2020-12-22 06:55:41,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:41,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:41,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:41,380 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2020-12-22 06:55:41,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,416 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2020-12-22 06:55:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:41,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,431 INFO L225 Difference]: With dead ends: 180 [2020-12-22 06:55:41,431 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:55:41,435 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 06:55:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:55:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-12-22 06:55:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-22 06:55:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2020-12-22 06:55:41,487 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2020-12-22 06:55:41,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,488 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2020-12-22 06:55:41,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2020-12-22 06:55:41,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:41,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,490 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 06:55:41,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:41,491 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,492 INFO L82 PathProgramCache]: Analyzing trace with hash 352621777, now seen corresponding path program 1 times [2020-12-22 06:55:41,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975547816] [2020-12-22 06:55:41,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,654 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 06:55:41,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975547816] [2020-12-22 06:55:41,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:41,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831320988] [2020-12-22 06:55:41,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:41,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:41,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:41,663 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2020-12-22 06:55:41,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,698 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2020-12-22 06:55:41,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:41,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:41,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,700 INFO L225 Difference]: With dead ends: 89 [2020-12-22 06:55:41,701 INFO L226 Difference]: Without dead ends: 39 [2020-12-22 06:55:41,702 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 06:55:41,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-22 06:55:41,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-22 06:55:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-22 06:55:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2020-12-22 06:55:41,710 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2020-12-22 06:55:41,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,711 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2020-12-22 06:55:41,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2020-12-22 06:55:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:41,712 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:41,713 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279967, now seen corresponding path program 1 times [2020-12-22 06:55:41,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566739966] [2020-12-22 06:55:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,871 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 06:55:41,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566739966] [2020-12-22 06:55:41,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:41,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629506742] [2020-12-22 06:55:41,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:41,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:41,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:41,878 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2020-12-22 06:55:41,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,920 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2020-12-22 06:55:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:41,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:41,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,923 INFO L225 Difference]: With dead ends: 72 [2020-12-22 06:55:41,923 INFO L226 Difference]: Without dead ends: 39 [2020-12-22 06:55:41,924 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 06:55:41,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-22 06:55:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-12-22 06:55:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-22 06:55:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-12-22 06:55:41,942 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2020-12-22 06:55:41,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,949 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-12-22 06:55:41,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-12-22 06:55:41,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:55:41,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:41,952 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,953 INFO L82 PathProgramCache]: Analyzing trace with hash 607128155, now seen corresponding path program 1 times [2020-12-22 06:55:41,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808701823] [2020-12-22 06:55:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,033 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 06:55:42,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808701823] [2020-12-22 06:55:42,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:42,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047746801] [2020-12-22 06:55:42,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:42,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:42,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:42,036 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2020-12-22 06:55:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,069 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2020-12-22 06:55:42,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:42,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:55:42,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,072 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:55:42,072 INFO L226 Difference]: Without dead ends: 62 [2020-12-22 06:55:42,073 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 06:55:42,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-22 06:55:42,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2020-12-22 06:55:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-12-22 06:55:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2020-12-22 06:55:42,082 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2020-12-22 06:55:42,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,083 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2020-12-22 06:55:42,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2020-12-22 06:55:42,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:55:42,084 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,085 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] [2020-12-22 06:55:42,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:42,085 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1327381871, now seen corresponding path program 1 times [2020-12-22 06:55:42,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101155923] [2020-12-22 06:55:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,219 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 06:55:42,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101155923] [2020-12-22 06:55:42,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:42,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848358958] [2020-12-22 06:55:42,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:42,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:42,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:42,224 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2020-12-22 06:55:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,442 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2020-12-22 06:55:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:42,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:55:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,447 INFO L225 Difference]: With dead ends: 314 [2020-12-22 06:55:42,447 INFO L226 Difference]: Without dead ends: 260 [2020-12-22 06:55:42,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:42,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-12-22 06:55:42,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-12-22 06:55:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-22 06:55:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2020-12-22 06:55:42,490 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2020-12-22 06:55:42,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,490 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2020-12-22 06:55:42,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:42,491 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2020-12-22 06:55:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:42,494 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,494 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] [2020-12-22 06:55:42,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:42,495 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,495 INFO L82 PathProgramCache]: Analyzing trace with hash -785377999, now seen corresponding path program 1 times [2020-12-22 06:55:42,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224420789] [2020-12-22 06:55:42,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,602 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 06:55:42,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224420789] [2020-12-22 06:55:42,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:42,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119577380] [2020-12-22 06:55:42,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:42,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:42,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:42,607 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2020-12-22 06:55:42,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,731 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2020-12-22 06:55:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:42,732 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:55:42,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,733 INFO L225 Difference]: With dead ends: 212 [2020-12-22 06:55:42,734 INFO L226 Difference]: Without dead ends: 158 [2020-12-22 06:55:42,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:42,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-12-22 06:55:42,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-12-22 06:55:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:55:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-12-22 06:55:42,754 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2020-12-22 06:55:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,754 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-12-22 06:55:42,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-12-22 06:55:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:42,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,755 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] [2020-12-22 06:55:42,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:42,756 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1796495249, now seen corresponding path program 1 times [2020-12-22 06:55:42,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902173551] [2020-12-22 06:55:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,828 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 06:55:42,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902173551] [2020-12-22 06:55:42,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:42,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:42,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358536231] [2020-12-22 06:55:42,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:42,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:42,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:42,832 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2020-12-22 06:55:42,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,884 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2020-12-22 06:55:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:42,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:55:42,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,888 INFO L225 Difference]: With dead ends: 412 [2020-12-22 06:55:42,889 INFO L226 Difference]: Without dead ends: 308 [2020-12-22 06:55:42,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:42,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-12-22 06:55:42,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2020-12-22 06:55:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-22 06:55:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2020-12-22 06:55:42,927 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2020-12-22 06:55:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,927 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2020-12-22 06:55:42,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2020-12-22 06:55:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:42,929 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,929 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] [2020-12-22 06:55:42,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:42,930 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1538329811, now seen corresponding path program 1 times [2020-12-22 06:55:42,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847716530] [2020-12-22 06:55:42,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:43,047 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 06:55:43,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847716530] [2020-12-22 06:55:43,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:43,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:43,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5472119] [2020-12-22 06:55:43,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:43,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:43,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:43,050 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2020-12-22 06:55:43,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:43,193 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2020-12-22 06:55:43,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:43,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-12-22 06:55:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:43,197 INFO L225 Difference]: With dead ends: 524 [2020-12-22 06:55:43,197 INFO L226 Difference]: Without dead ends: 375 [2020-12-22 06:55:43,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:55:43,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-12-22 06:55:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2020-12-22 06:55:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-12-22 06:55:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2020-12-22 06:55:43,241 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2020-12-22 06:55:43,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,242 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2020-12-22 06:55:43,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2020-12-22 06:55:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:55:43,251 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:43,252 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 06:55:43,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:43,253 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:43,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:43,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1048057311, now seen corresponding path program 1 times [2020-12-22 06:55:43,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:43,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968765464] [2020-12-22 06:55:43,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:43,354 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 06:55:43,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968765464] [2020-12-22 06:55:43,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:43,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:43,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405938208] [2020-12-22 06:55:43,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:43,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:43,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:43,362 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2020-12-22 06:55:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:43,653 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2020-12-22 06:55:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 06:55:43,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:55:43,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:43,667 INFO L225 Difference]: With dead ends: 1154 [2020-12-22 06:55:43,667 INFO L226 Difference]: Without dead ends: 999 [2020-12-22 06:55:43,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:43,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-12-22 06:55:43,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2020-12-22 06:55:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-12-22 06:55:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2020-12-22 06:55:43,718 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2020-12-22 06:55:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,720 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2020-12-22 06:55:43,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2020-12-22 06:55:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:55:43,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:43,723 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 06:55:43,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:43,723 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:43,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:43,724 INFO L82 PathProgramCache]: Analyzing trace with hash -367998941, now seen corresponding path program 1 times [2020-12-22 06:55:43,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:43,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026123075] [2020-12-22 06:55:43,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:43,838 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 06:55:43,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026123075] [2020-12-22 06:55:43,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:43,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:43,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253806872] [2020-12-22 06:55:43,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:43,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:43,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:43,847 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2020-12-22 06:55:44,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:44,089 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2020-12-22 06:55:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:44,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:55:44,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:44,092 INFO L225 Difference]: With dead ends: 687 [2020-12-22 06:55:44,092 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:55:44,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:55:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:55:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2020-12-22 06:55:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-12-22 06:55:44,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2020-12-22 06:55:44,109 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2020-12-22 06:55:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:44,109 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2020-12-22 06:55:44,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2020-12-22 06:55:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:55:44,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:44,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:44,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:44,110 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:44,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:44,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1326928741, now seen corresponding path program 1 times [2020-12-22 06:55:44,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:44,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860628917] [2020-12-22 06:55:44,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:44,199 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 06:55:44,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860628917] [2020-12-22 06:55:44,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:44,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:55:44,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128926315] [2020-12-22 06:55:44,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:44,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:44,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:44,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:44,203 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 7 states. [2020-12-22 06:55:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:44,599 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2020-12-22 06:55:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:55:44,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-12-22 06:55:44,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:44,600 INFO L225 Difference]: With dead ends: 387 [2020-12-22 06:55:44,600 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:44,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:44,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:44,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:44,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:44,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-12-22 06:55:44,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:44,603 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:44,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:44,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:44,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:44,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:44,989 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 114 [2020-12-22 06:55:45,150 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 76 [2020-12-22 06:55:45,525 WARN L197 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 118 [2020-12-22 06:55:45,875 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 102 [2020-12-22 06:55:46,014 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 96 [2020-12-22 06:55:46,255 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 93 [2020-12-22 06:55:46,720 WARN L197 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-12-22 06:55:47,010 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-12-22 06:55:47,263 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-22 06:55:47,779 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 28 [2020-12-22 06:55:48,002 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-12-22 06:55:48,187 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-12-22 06:55:48,567 WARN L197 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2020-12-22 06:55:48,909 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2020-12-22 06:55:49,179 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2020-12-22 06:55:49,419 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-12-22 06:55:49,740 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2020-12-22 06:55:49,855 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:55:49,870 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,870 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:49,870 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,870 INFO L189 CegarLoopUtils]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,871 INFO L189 CegarLoopUtils]: For program point L499-2(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,871 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:55:49,871 INFO L185 CegarLoopUtils]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (<= 2 ~waterLevel~0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse2) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2020-12-22 06:55:49,871 INFO L185 CegarLoopUtils]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2020-12-22 06:55:49,871 INFO L185 CegarLoopUtils]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L484(lines 484 490) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L484-1(lines 484 490) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L484-2(lines 484 490) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L187(lines 187 200) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L185 CegarLoopUtils]: At program point L534(lines 529 537) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L914(lines 914 934) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L914-2(lines 914 934) no Hoare annotation was computed. [2020-12-22 06:55:49,872 INFO L189 CegarLoopUtils]: For program point L914-4(lines 914 934) no Hoare annotation was computed. [2020-12-22 06:55:49,873 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:49,873 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-22 06:55:49,873 INFO L185 CegarLoopUtils]: At program point L205(lines 156 206) the Hoare annotation is: false [2020-12-22 06:55:49,873 INFO L185 CegarLoopUtils]: At program point L387(lines 372 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse8 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse9 (= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse4 .cse6 .cse7) (and .cse0 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse4 .cse10 .cse6 .cse7))) [2020-12-22 06:55:49,873 INFO L185 CegarLoopUtils]: At program point L387-1(lines 372 390) the Hoare annotation is: false [2020-12-22 06:55:49,873 INFO L185 CegarLoopUtils]: At program point L387-2(lines 372 390) the Hoare annotation is: false [2020-12-22 06:55:49,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:49,874 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:55:49,874 INFO L189 CegarLoopUtils]: For program point L58-1(lines 229 235) no Hoare annotation was computed. [2020-12-22 06:55:49,874 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:55:49,874 INFO L185 CegarLoopUtils]: At program point L323(lines 316 326) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse11 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse14 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse14 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse11 .cse14 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9)))) [2020-12-22 06:55:49,874 INFO L185 CegarLoopUtils]: At program point L323-1(lines 316 326) the Hoare annotation is: false [2020-12-22 06:55:49,874 INFO L185 CegarLoopUtils]: At program point L323-2(lines 316 326) the Hoare annotation is: false [2020-12-22 06:55:49,874 INFO L189 CegarLoopUtils]: For program point L158(lines 157 204) no Hoare annotation was computed. [2020-12-22 06:55:49,875 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,875 INFO L185 CegarLoopUtils]: At program point L489(lines 480 493) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2020-12-22 06:55:49,875 INFO L185 CegarLoopUtils]: At program point L489-1(lines 480 493) the Hoare annotation is: false [2020-12-22 06:55:49,875 INFO L185 CegarLoopUtils]: At program point L489-2(lines 480 493) the Hoare annotation is: false [2020-12-22 06:55:49,875 INFO L189 CegarLoopUtils]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-12-22 06:55:49,875 INFO L189 CegarLoopUtils]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-12-22 06:55:49,875 INFO L189 CegarLoopUtils]: For program point L407-3(lines 407 411) no Hoare annotation was computed. [2020-12-22 06:55:49,875 INFO L189 CegarLoopUtils]: For program point L407-6(lines 407 411) no Hoare annotation was computed. [2020-12-22 06:55:49,876 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:49,876 INFO L189 CegarLoopUtils]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-12-22 06:55:49,876 INFO L185 CegarLoopUtils]: At program point L920-1(lines 1 937) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-12-22 06:55:49,876 INFO L189 CegarLoopUtils]: For program point L920-2(lines 920 933) no Hoare annotation was computed. [2020-12-22 06:55:49,876 INFO L185 CegarLoopUtils]: At program point L920-3(lines 1 937) the Hoare annotation is: false [2020-12-22 06:55:49,876 INFO L189 CegarLoopUtils]: For program point L920-4(lines 920 933) no Hoare annotation was computed. [2020-12-22 06:55:49,876 INFO L185 CegarLoopUtils]: At program point L920-5(lines 1 937) the Hoare annotation is: false [2020-12-22 06:55:49,877 INFO L189 CegarLoopUtils]: For program point L177(lines 177 183) no Hoare annotation was computed. [2020-12-22 06:55:49,877 INFO L185 CegarLoopUtils]: At program point L177-1(lines 177 183) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-12-22 06:55:49,877 INFO L189 CegarLoopUtils]: For program point L261(lines 261 278) no Hoare annotation was computed. [2020-12-22 06:55:49,877 INFO L189 CegarLoopUtils]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2020-12-22 06:55:49,877 INFO L189 CegarLoopUtils]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-12-22 06:55:49,877 INFO L189 CegarLoopUtils]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2020-12-22 06:55:49,877 INFO L185 CegarLoopUtils]: At program point L195-2(lines 229 235) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-12-22 06:55:49,878 INFO L185 CegarLoopUtils]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2020-12-22 06:55:49,878 INFO L185 CegarLoopUtils]: At program point L476-1(lines 471 479) the Hoare annotation is: false [2020-12-22 06:55:49,878 INFO L185 CegarLoopUtils]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2020-12-22 06:55:49,878 INFO L185 CegarLoopUtils]: At program point L526(lines 1 937) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:49,878 INFO L185 CegarLoopUtils]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4))) [2020-12-22 06:55:49,879 INFO L189 CegarLoopUtils]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2020-12-22 06:55:49,879 INFO L185 CegarLoopUtils]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2020-12-22 06:55:49,879 INFO L185 CegarLoopUtils]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2020-12-22 06:55:49,879 INFO L185 CegarLoopUtils]: At program point L444(lines 439 447) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (not .cse13)) (.cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse4 (not (= ULTIMATE.start_processEnvironment_~tmp~2 0))) (.cse5 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse4 .cse12 .cse5 .cse13 .cse8 .cse9) (and .cse11 .cse1 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12 .cse7 .cse13 .cse8 .cse9 .cse10)))) [2020-12-22 06:55:49,879 INFO L185 CegarLoopUtils]: At program point L444-1(lines 439 447) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not .cse6)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (not (= ULTIMATE.start_processEnvironment_~tmp~2 0)) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse3) .cse1 .cse4) (and .cse5 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2020-12-22 06:55:49,879 INFO L185 CegarLoopUtils]: At program point L444-2(lines 439 447) the Hoare annotation is: false [2020-12-22 06:55:49,880 INFO L185 CegarLoopUtils]: At program point L444-3(lines 439 447) the Hoare annotation is: false [2020-12-22 06:55:49,880 INFO L185 CegarLoopUtils]: At program point L444-4(lines 439 447) the Hoare annotation is: false [2020-12-22 06:55:49,880 INFO L185 CegarLoopUtils]: At program point L444-5(lines 439 447) the Hoare annotation is: false [2020-12-22 06:55:49,880 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:49,880 INFO L189 CegarLoopUtils]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-12-22 06:55:49,880 INFO L189 CegarLoopUtils]: For program point L924-2(lines 924 930) no Hoare annotation was computed. [2020-12-22 06:55:49,880 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 499) no Hoare annotation was computed. [2020-12-22 06:55:49,880 INFO L189 CegarLoopUtils]: For program point L924-4(lines 924 930) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L298(lines 298 304) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L298-2(lines 298 304) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L298-4(lines 298 304) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L381-2(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L381-3(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,881 INFO L189 CegarLoopUtils]: For program point L381-5(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,882 INFO L189 CegarLoopUtils]: For program point L381-6(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,882 INFO L189 CegarLoopUtils]: For program point L381-8(lines 381 385) no Hoare annotation was computed. [2020-12-22 06:55:49,882 INFO L189 CegarLoopUtils]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-12-22 06:55:49,882 INFO L185 CegarLoopUtils]: At program point L332(lines 327 335) the Hoare annotation is: (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:55:49,882 INFO L185 CegarLoopUtils]: At program point L332-1(lines 327 335) the Hoare annotation is: false [2020-12-22 06:55:49,882 INFO L185 CegarLoopUtils]: At program point L332-2(lines 327 335) the Hoare annotation is: false [2020-12-22 06:55:49,882 INFO L189 CegarLoopUtils]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-12-22 06:55:49,882 INFO L185 CegarLoopUtils]: At program point L167-1(lines 167 173) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse1 (= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~3 0) (not .cse5) .cse3 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse5 .cse6))) [2020-12-22 06:55:49,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:49 BoogieIcfgContainer [2020-12-22 06:55:49,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:49,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:49,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:49,931 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:49,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:40" (3/4) ... [2020-12-22 06:55:49,938 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:49,979 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:49,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:49,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:49,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:49,983 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:49,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:49,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:50,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:55:50,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,023 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:50,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2020-12-22 06:55:50,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) [2020-12-22 06:55:50,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:50,125 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product42.cil.c-witness.graphml [2020-12-22 06:55:50,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:50,126 INFO L168 Benchmark]: Toolchain (without parser) took 11392.20 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 134.2 MB in the beginning and 187.7 MB in the end (delta: -53.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,127 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:50,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.63 ms. Allocated memory is still 159.4 MB. Free memory was 134.0 MB in the beginning and 112.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.97 ms. Allocated memory is still 159.4 MB. Free memory was 112.4 MB in the beginning and 109.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,128 INFO L168 Benchmark]: Boogie Preprocessor took 97.30 ms. Allocated memory is still 159.4 MB. Free memory was 109.1 MB in the beginning and 106.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,128 INFO L168 Benchmark]: RCFGBuilder took 1215.02 ms. Allocated memory is still 159.4 MB. Free memory was 106.7 MB in the beginning and 88.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,129 INFO L168 Benchmark]: TraceAbstraction took 9064.99 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 87.9 MB in the beginning and 196.7 MB in the end (delta: -108.8 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,129 INFO L168 Benchmark]: Witness Printer took 194.54 ms. Allocated memory is still 230.7 MB. Free memory was 196.7 MB in the beginning and 187.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:50,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 131.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 661.63 ms. Allocated memory is still 159.4 MB. Free memory was 134.0 MB in the beginning and 112.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 143.97 ms. Allocated memory is still 159.4 MB. Free memory was 112.4 MB in the beginning and 109.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.30 ms. Allocated memory is still 159.4 MB. Free memory was 109.1 MB in the beginning and 106.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1215.02 ms. Allocated memory is still 159.4 MB. Free memory was 106.7 MB in the beginning and 88.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9064.99 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 87.9 MB in the beginning and 196.7 MB in the end (delta: -108.8 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. * Witness Printer took 194.54 ms. Allocated memory is still 230.7 MB. Free memory was 196.7 MB in the beginning and 187.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 499]: 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: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0))) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || ((((((waterLevel == 1 && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((((!(tmp == 0) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((!(tmp == 0) && waterLevel == 1) && methaneLevelCritical == 1) && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(tmp == 0) && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1030 SDtfs, 1477 SDslu, 1859 SDs, 0 SdLazy, 274 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred 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, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 40 PreInvPairs, 279 NumberOfFragments, 1140 HoareAnnotationTreeSize, 40 FomulaSimplifications, 318668 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 40 FomulaSimplificationsInter, 25586 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 17496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...