/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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:34,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:34,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:34,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:34,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:34,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:34,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:34,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:34,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:34,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:34,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:34,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:34,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:34,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:34,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:34,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:34,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:34,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:34,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:34,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:34,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:34,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:34,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:34,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:34,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:34,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:34,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:34,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:34,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:34,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:34,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:34,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:34,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:34,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:34,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:34,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:34,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:34,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:34,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:34,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:34,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:34,780 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:34,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:34,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:34,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:34,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:34,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:34,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:34,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:34,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:34,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:34,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:34,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:34,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:34,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:34,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:34,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:34,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:34,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:34,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:34,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:34,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:34,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:35,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:35,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:35,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:35,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:35,209 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:35,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-12-22 06:55:35,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25371f972/5ad72a9f71214d9f932602b87355af50/FLAGb96a10f70 [2020-12-22 06:55:36,092 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:36,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2020-12-22 06:55:36,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25371f972/5ad72a9f71214d9f932602b87355af50/FLAGb96a10f70 [2020-12-22 06:55:36,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25371f972/5ad72a9f71214d9f932602b87355af50 [2020-12-22 06:55:36,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:36,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:36,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:36,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:36,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:36,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:36,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c06767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36, skipping insertion in model container [2020-12-22 06:55:36,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:36,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:36,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:36,786 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_product37.cil.c[16882,16895] [2020-12-22 06:55:36,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:36,807 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:36,891 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_product37.cil.c[16882,16895] [2020-12-22 06:55:36,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:36,949 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:36,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36 WrapperNode [2020-12-22 06:55:36,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:36,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:36,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:36,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:36,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:37,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:37,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:37,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:37,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (1/1) ... [2020-12-22 06:55:37,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:37,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:37,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:37,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:37,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (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 06:55:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:38,359 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:38,360 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-22 06:55:38,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:38 BoogieIcfgContainer [2020-12-22 06:55:38,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:38,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:38,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:38,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:38,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:36" (1/3) ... [2020-12-22 06:55:38,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c96109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:38, skipping insertion in model container [2020-12-22 06:55:38,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:36" (2/3) ... [2020-12-22 06:55:38,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c96109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:38, skipping insertion in model container [2020-12-22 06:55:38,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:38" (3/3) ... [2020-12-22 06:55:38,379 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2020-12-22 06:55:38,386 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:38,392 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:38,415 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:38,444 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:38,445 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:38,445 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:38,445 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:38,445 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:38,445 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:38,445 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:38,446 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-22 06:55:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:38,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:38,473 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 06:55:38,474 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:38,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:38,481 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2020-12-22 06:55:38,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:38,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426340609] [2020-12-22 06:55:38,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:38,856 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 06:55:38,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426340609] [2020-12-22 06:55:38,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:38,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:38,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195490581] [2020-12-22 06:55:38,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:38,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:38,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:38,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:38,892 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-22 06:55:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:38,966 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-12-22 06:55:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:38,968 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:38,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:38,980 INFO L225 Difference]: With dead ends: 228 [2020-12-22 06:55:38,981 INFO L226 Difference]: Without dead ends: 113 [2020-12-22 06:55:38,986 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 06:55:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-22 06:55:39,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-22 06:55:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-22 06:55:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-12-22 06:55:39,062 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2020-12-22 06:55:39,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:39,063 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-12-22 06:55:39,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:39,063 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-12-22 06:55:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:39,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,065 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 06:55:39,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:39,066 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2020-12-22 06:55:39,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708298033] [2020-12-22 06:55:39,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:39,257 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 06:55:39,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708298033] [2020-12-22 06:55:39,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:39,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:39,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22942275] [2020-12-22 06:55:39,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:39,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:39,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:39,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:39,263 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-12-22 06:55:39,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:39,297 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-22 06:55:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:39,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:39,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:39,302 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:55:39,302 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:55:39,304 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 06:55:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:55:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:55:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:55:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-12-22 06:55:39,317 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2020-12-22 06:55:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:39,318 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-12-22 06:55:39,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-22 06:55:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:39,322 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,322 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 06:55:39,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:39,323 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,326 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2020-12-22 06:55:39,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131050412] [2020-12-22 06:55:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:39,446 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 06:55:39,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131050412] [2020-12-22 06:55:39,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:39,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:39,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006638108] [2020-12-22 06:55:39,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:39,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:39,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:39,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:39,449 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2020-12-22 06:55:39,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:39,458 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-12-22 06:55:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:39,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:55:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:39,460 INFO L225 Difference]: With dead ends: 88 [2020-12-22 06:55:39,460 INFO L226 Difference]: Without dead ends: 47 [2020-12-22 06:55:39,461 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 06:55:39,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-22 06:55:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-22 06:55:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-22 06:55:39,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-22 06:55:39,467 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2020-12-22 06:55:39,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:39,468 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-22 06:55:39,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-22 06:55:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:39,469 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:39,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:39,470 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,470 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2020-12-22 06:55:39,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517454536] [2020-12-22 06:55:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:39,528 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 06:55:39,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517454536] [2020-12-22 06:55:39,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:39,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:39,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621704206] [2020-12-22 06:55:39,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:39,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:39,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:39,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:39,532 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-22 06:55:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:39,566 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2020-12-22 06:55:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:39,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:55:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:39,568 INFO L225 Difference]: With dead ends: 111 [2020-12-22 06:55:39,568 INFO L226 Difference]: Without dead ends: 70 [2020-12-22 06:55:39,569 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 06:55:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-22 06:55:39,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2020-12-22 06:55:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-22 06:55:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2020-12-22 06:55:39,578 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2020-12-22 06:55:39,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:39,578 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2020-12-22 06:55:39,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-12-22 06:55:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:39,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,580 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 06:55:39,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:39,581 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,581 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2020-12-22 06:55:39,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999787039] [2020-12-22 06:55:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:39,660 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 06:55:39,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999787039] [2020-12-22 06:55:39,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:39,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:39,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315758711] [2020-12-22 06:55:39,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:39,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:39,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:39,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:39,663 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2020-12-22 06:55:39,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:39,747 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2020-12-22 06:55:39,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:39,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:39,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:39,749 INFO L225 Difference]: With dead ends: 183 [2020-12-22 06:55:39,749 INFO L226 Difference]: Without dead ends: 121 [2020-12-22 06:55:39,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-12-22 06:55:39,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2020-12-22 06:55:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-22 06:55:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2020-12-22 06:55:39,760 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2020-12-22 06:55:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:39,761 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2020-12-22 06:55:39,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2020-12-22 06:55:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:55:39,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:39,762 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 06:55:39,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:39,763 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:39,763 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2020-12-22 06:55:39,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:39,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256806267] [2020-12-22 06:55:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:39,857 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 06:55:39,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256806267] [2020-12-22 06:55:39,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:39,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:39,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889634166] [2020-12-22 06:55:39,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:39,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:39,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:39,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:39,860 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2020-12-22 06:55:40,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,044 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2020-12-22 06:55:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:40,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:55:40,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,048 INFO L225 Difference]: With dead ends: 373 [2020-12-22 06:55:40,049 INFO L226 Difference]: Without dead ends: 305 [2020-12-22 06:55:40,050 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 06:55:40,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-22 06:55:40,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2020-12-22 06:55:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-12-22 06:55:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2020-12-22 06:55:40,075 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2020-12-22 06:55:40,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,075 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2020-12-22 06:55:40,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2020-12-22 06:55:40,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:40,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,077 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] [2020-12-22 06:55:40,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:55:40,078 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2020-12-22 06:55:40,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088587761] [2020-12-22 06:55:40,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,146 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 06:55:40,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088587761] [2020-12-22 06:55:40,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:40,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38930575] [2020-12-22 06:55:40,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:40,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:40,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:40,151 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 4 states. [2020-12-22 06:55:40,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,265 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2020-12-22 06:55:40,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:55:40,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:40,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,270 INFO L225 Difference]: With dead ends: 250 [2020-12-22 06:55:40,270 INFO L226 Difference]: Without dead ends: 182 [2020-12-22 06:55:40,272 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 06:55:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-22 06:55:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2020-12-22 06:55:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-12-22 06:55:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2020-12-22 06:55:40,310 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2020-12-22 06:55:40,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,310 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2020-12-22 06:55:40,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2020-12-22 06:55:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:40,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,312 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] [2020-12-22 06:55:40,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:55:40,313 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2020-12-22 06:55:40,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414831755] [2020-12-22 06:55:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,374 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 06:55:40,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414831755] [2020-12-22 06:55:40,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:40,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301591546] [2020-12-22 06:55:40,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:55:40,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:55:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:55:40,377 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand 4 states. [2020-12-22 06:55:40,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,452 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2020-12-22 06:55:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:40,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:55:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,455 INFO L225 Difference]: With dead ends: 422 [2020-12-22 06:55:40,456 INFO L226 Difference]: Without dead ends: 295 [2020-12-22 06:55:40,457 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 06:55:40,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-22 06:55:40,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2020-12-22 06:55:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-12-22 06:55:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2020-12-22 06:55:40,480 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2020-12-22 06:55:40,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,480 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2020-12-22 06:55:40,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:55:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2020-12-22 06:55:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:40,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,488 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] [2020-12-22 06:55:40,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:55:40,490 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2020-12-22 06:55:40,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106426108] [2020-12-22 06:55:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,608 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 06:55:40,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106426108] [2020-12-22 06:55:40,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:55:40,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906377832] [2020-12-22 06:55:40,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:40,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:40,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:40,618 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand 6 states. [2020-12-22 06:55:40,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:40,866 INFO L93 Difference]: Finished difference Result 506 states and 698 transitions. [2020-12-22 06:55:40,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:55:40,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:55:40,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:40,869 INFO L225 Difference]: With dead ends: 506 [2020-12-22 06:55:40,870 INFO L226 Difference]: Without dead ends: 339 [2020-12-22 06:55:40,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:55:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-12-22 06:55:40,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 152. [2020-12-22 06:55:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-22 06:55:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2020-12-22 06:55:40,886 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2020-12-22 06:55:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:40,886 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2020-12-22 06:55:40,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2020-12-22 06:55:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:55:40,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:40,888 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] [2020-12-22 06:55:40,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:55:40,888 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:40,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:40,889 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2020-12-22 06:55:40,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:40,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084362979] [2020-12-22 06:55:40,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:40,967 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 06:55:40,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084362979] [2020-12-22 06:55:40,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:40,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:40,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655270589] [2020-12-22 06:55:40,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:40,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:40,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:40,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:40,970 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand 5 states. [2020-12-22 06:55:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,045 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2020-12-22 06:55:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:41,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:55:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,048 INFO L225 Difference]: With dead ends: 385 [2020-12-22 06:55:41,048 INFO L226 Difference]: Without dead ends: 239 [2020-12-22 06:55:41,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-12-22 06:55:41,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2020-12-22 06:55:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:55:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2020-12-22 06:55:41,065 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2020-12-22 06:55:41,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,065 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2020-12-22 06:55:41,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2020-12-22 06:55:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:55:41,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:55:41,067 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2020-12-22 06:55:41,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643212450] [2020-12-22 06:55:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:55:41,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643212450] [2020-12-22 06:55:41,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:41,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201528428] [2020-12-22 06:55:41,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:41,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:41,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:41,146 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand 5 states. [2020-12-22 06:55:41,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,216 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-12-22 06:55:41,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:41,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-22 06:55:41,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,219 INFO L225 Difference]: With dead ends: 281 [2020-12-22 06:55:41,219 INFO L226 Difference]: Without dead ends: 173 [2020-12-22 06:55:41,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-22 06:55:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2020-12-22 06:55:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-22 06:55:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2020-12-22 06:55:41,237 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2020-12-22 06:55:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,237 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2020-12-22 06:55:41,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2020-12-22 06:55:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:55:41,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,239 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:55:41,240 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2020-12-22 06:55:41,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638111218] [2020-12-22 06:55:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:55:41,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638111218] [2020-12-22 06:55:41,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:41,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:41,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504590371] [2020-12-22 06:55:41,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:41,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:41,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:41,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:41,367 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand 5 states. [2020-12-22 06:55:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:41,557 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2020-12-22 06:55:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:41,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:55:41,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:41,561 INFO L225 Difference]: With dead ends: 633 [2020-12-22 06:55:41,562 INFO L226 Difference]: Without dead ends: 515 [2020-12-22 06:55:41,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:55:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-12-22 06:55:41,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2020-12-22 06:55:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-12-22 06:55:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2020-12-22 06:55:41,593 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2020-12-22 06:55:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:41,594 INFO L481 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2020-12-22 06:55:41,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2020-12-22 06:55:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:55:41,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:41,597 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:41,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:55:41,597 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:41,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:41,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2020-12-22 06:55:41,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:41,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648898338] [2020-12-22 06:55:41,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:55:41,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648898338] [2020-12-22 06:55:41,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383771772] [2020-12-22 06:55:41,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:41,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:55:41,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:55:42,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:42,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-22 06:55:42,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495741529] [2020-12-22 06:55:42,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:55:42,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:42,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:55:42,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:55:42,102 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand 10 states. [2020-12-22 06:55:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:42,441 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2020-12-22 06:55:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:55:42,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2020-12-22 06:55:42,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:42,446 INFO L225 Difference]: With dead ends: 580 [2020-12-22 06:55:42,447 INFO L226 Difference]: Without dead ends: 346 [2020-12-22 06:55:42,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:55:42,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-12-22 06:55:42,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2020-12-22 06:55:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-22 06:55:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-12-22 06:55:42,495 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2020-12-22 06:55:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:42,496 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-12-22 06:55:42,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:55:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-12-22 06:55:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:55:42,498 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:42,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:42,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-22 06:55:42,714 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:42,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:42,716 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2020-12-22 06:55:42,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:42,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561782878] [2020-12-22 06:55:42,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:55:42,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561782878] [2020-12-22 06:55:42,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711237848] [2020-12-22 06:55:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:55:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:42,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 06:55:42,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:55:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:55:43,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:55:43,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-12-22 06:55:43,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698255446] [2020-12-22 06:55:43,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:55:43,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:43,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:55:43,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:55:43,081 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 7 states. [2020-12-22 06:55:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:43,329 INFO L93 Difference]: Finished difference Result 774 states and 972 transitions. [2020-12-22 06:55:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:55:43,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2020-12-22 06:55:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:43,330 INFO L225 Difference]: With dead ends: 774 [2020-12-22 06:55:43,330 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:55:43,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:55:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:55:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:55:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:55:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:55:43,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2020-12-22 06:55:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:43,333 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:55:43,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:55:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:55:43,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:55:43,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:55:43,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:55:43,890 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 121 [2020-12-22 06:55:44,040 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-12-22 06:55:44,148 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2020-12-22 06:55:44,720 WARN L197 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 169 [2020-12-22 06:55:44,965 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 121 [2020-12-22 06:55:45,450 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 144 [2020-12-22 06:55:46,408 WARN L197 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 51 [2020-12-22 06:55:46,916 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-12-22 06:55:47,279 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-12-22 06:55:47,631 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2020-12-22 06:55:48,804 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 162 DAG size of output: 41 [2020-12-22 06:55:49,632 WARN L197 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2020-12-22 06:55:49,777 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-12-22 06:55:49,947 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-12-22 06:55:50,560 WARN L197 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 50 [2020-12-22 06:55:50,925 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2020-12-22 06:55:51,759 WARN L197 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2020-12-22 06:55:51,763 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,763 INFO L189 CegarLoopUtils]: For program point L862(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,763 INFO L189 CegarLoopUtils]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,763 INFO L189 CegarLoopUtils]: For program point L862-2(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,764 INFO L185 CegarLoopUtils]: At program point L534(lines 534 540) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse10 (not .cse7)) (.cse11 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 .cse3 .cse7 .cse6) (and .cse1 .cse8 .cse9 .cse10 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse3 .cse13 .cse7 .cse6) (and .cse8 .cse9 .cse10 .cse13 .cse2 .cse3 .cse4 .cse11 .cse5 .cse6 .cse12) (and .cse0 .cse2 .cse3 .cse13 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6)))) [2020-12-22 06:55:51,764 INFO L185 CegarLoopUtils]: At program point L534-1(lines 534 540) the Hoare annotation is: false [2020-12-22 06:55:51,764 INFO L185 CegarLoopUtils]: At program point L534-2(lines 534 540) the Hoare annotation is: false [2020-12-22 06:55:51,764 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 06:55:51,765 INFO L185 CegarLoopUtils]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:51,765 INFO L192 CegarLoopUtils]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-12-22 06:55:51,765 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,765 INFO L189 CegarLoopUtils]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-12-22 06:55:51,765 INFO L189 CegarLoopUtils]: For program point L770-3(lines 770 774) no Hoare annotation was computed. [2020-12-22 06:55:51,765 INFO L185 CegarLoopUtils]: At program point L638(lines 633 641) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0) (= 1 ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:55:51,766 INFO L185 CegarLoopUtils]: At program point L638-1(lines 633 641) the Hoare annotation is: false [2020-12-22 06:55:51,766 INFO L189 CegarLoopUtils]: For program point L770-6(lines 770 774) no Hoare annotation was computed. [2020-12-22 06:55:51,766 INFO L185 CegarLoopUtils]: At program point L638-2(lines 633 641) the Hoare annotation is: false [2020-12-22 06:55:51,766 INFO L189 CegarLoopUtils]: For program point L738(lines 738 749) no Hoare annotation was computed. [2020-12-22 06:55:51,766 INFO L185 CegarLoopUtils]: At program point L839(lines 834 842) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse2 .cse3 .cse6 .cse8 (<= 2 ~waterLevel~0) .cse7 .cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (not .cse10) .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse10 .cse9))) [2020-12-22 06:55:51,766 INFO L185 CegarLoopUtils]: At program point L839-1(lines 834 842) the Hoare annotation is: false [2020-12-22 06:55:51,767 INFO L185 CegarLoopUtils]: At program point L839-2(lines 834 842) the Hoare annotation is: false [2020-12-22 06:55:51,767 INFO L185 CegarLoopUtils]: At program point L807(lines 802 810) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2020-12-22 06:55:51,767 INFO L185 CegarLoopUtils]: At program point L807-1(lines 802 810) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (not .cse14)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse1 .cse3 .cse2 .cse5 .cse6 .cse8 .cse12 .cse13) (and .cse10 .cse11 .cse1 .cse3 .cse4 .cse2 .cse5 .cse6 .cse7 .cse8 .cse13) (and .cse0 .cse9 .cse3 .cse14 .cse8 .cse12) (and .cse0 .cse3 .cse4 .cse7 .cse14 .cse8) (and .cse0 .cse9 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse12)))) [2020-12-22 06:55:51,767 INFO L185 CegarLoopUtils]: At program point L807-2(lines 802 810) the Hoare annotation is: false [2020-12-22 06:55:51,767 INFO L185 CegarLoopUtils]: At program point L807-3(lines 802 810) the Hoare annotation is: false [2020-12-22 06:55:51,768 INFO L185 CegarLoopUtils]: At program point L807-4(lines 802 810) the Hoare annotation is: false [2020-12-22 06:55:51,768 INFO L185 CegarLoopUtils]: At program point L807-5(lines 802 810) the Hoare annotation is: false [2020-12-22 06:55:51,768 INFO L189 CegarLoopUtils]: For program point L709(lines 708 753) no Hoare annotation was computed. [2020-12-22 06:55:51,768 INFO L189 CegarLoopUtils]: For program point L710(lines 710 714) no Hoare annotation was computed. [2020-12-22 06:55:51,768 INFO L189 CegarLoopUtils]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-12-22 06:55:51,768 INFO L189 CegarLoopUtils]: For program point L876-2(lines 876 896) no Hoare annotation was computed. [2020-12-22 06:55:51,768 INFO L189 CegarLoopUtils]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L876-4(lines 876 896) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L744-2(lines 527 533) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L847-2(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L847-3(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,769 INFO L189 CegarLoopUtils]: For program point L847-4(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,770 INFO L189 CegarLoopUtils]: For program point L847-5(lines 847 853) no Hoare annotation was computed. [2020-12-22 06:55:51,770 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:55:51,770 INFO L189 CegarLoopUtils]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-12-22 06:55:51,770 INFO L189 CegarLoopUtils]: For program point L882(lines 882 895) no Hoare annotation was computed. [2020-12-22 06:55:51,770 INFO L185 CegarLoopUtils]: At program point L882-1(lines 1 934) the Hoare annotation is: (let ((.cse15 (= ~pumpRunning~0 0))) (let ((.cse12 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse14 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse17 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse2 (not .cse15)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse18 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse9 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse3 .cse11 .cse12 .cse13 .cse14 .cse15 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 .cse7 .cse9) (and .cse16 .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse7 .cse14 .cse9 .cse17 .cse10 .cse2 .cse11 .cse18) (and (= ~waterLevel~0 1) .cse11 .cse3 .cse15 .cse9) (and .cse1 .cse17 .cse16 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse8 .cse18) (and .cse0 .cse1 .cse3 .cse6 .cse15 .cse9 .cse8)))) [2020-12-22 06:55:51,770 INFO L189 CegarLoopUtils]: For program point L882-2(lines 882 895) no Hoare annotation was computed. [2020-12-22 06:55:51,771 INFO L185 CegarLoopUtils]: At program point L882-3(lines 1 934) the Hoare annotation is: false [2020-12-22 06:55:51,771 INFO L189 CegarLoopUtils]: For program point L882-4(lines 882 895) no Hoare annotation was computed. [2020-12-22 06:55:51,771 INFO L185 CegarLoopUtils]: At program point L882-5(lines 1 934) the Hoare annotation is: false [2020-12-22 06:55:51,771 INFO L189 CegarLoopUtils]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-12-22 06:55:51,771 INFO L189 CegarLoopUtils]: For program point L585-1(lines 585 602) no Hoare annotation was computed. [2020-12-22 06:55:51,771 INFO L189 CegarLoopUtils]: For program point L585-2(lines 585 602) no Hoare annotation was computed. [2020-12-22 06:55:51,771 INFO L189 CegarLoopUtils]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-12-22 06:55:51,772 INFO L185 CegarLoopUtils]: At program point L718-1(lines 718 724) the Hoare annotation is: (let ((.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse5 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (.cse1 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (= ~waterLevel~0 1)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse15 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse16 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse17 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse2 .cse9 .cse7 .cse8 .cse10) (and .cse11 .cse2 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse4 .cse13 .cse14 .cse5 .cse6 .cse8) (and .cse1 .cse4 .cse2 .cse12 .cse13 .cse6 .cse10 (or (and .cse11 .cse14 .cse8) (and .cse9 .cse14 .cse8))) (and .cse15 .cse12 .cse4 .cse13 .cse16 .cse14 .cse8 .cse17 .cse10) (and .cse15 .cse4 .cse16 .cse9 .cse7 .cse8 .cse17 .cse10) (and .cse0 .cse15 .cse4 .cse16 .cse7 .cse8 .cse17))) [2020-12-22 06:55:51,772 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:51,772 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:55:51,772 INFO L189 CegarLoopUtils]: For program point L58-1(lines 527 533) no Hoare annotation was computed. [2020-12-22 06:55:51,772 INFO L185 CegarLoopUtils]: At program point L852(lines 843 856) the Hoare annotation is: false [2020-12-22 06:55:51,772 INFO L185 CegarLoopUtils]: At program point L852-1(lines 843 856) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= ~waterLevel~0 2)) (.cse0 (not .cse6)) (.cse1 (<= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse2 .cse6 .cse3 .cse8 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5)))) [2020-12-22 06:55:51,773 INFO L185 CegarLoopUtils]: At program point L852-2(lines 843 856) the Hoare annotation is: false [2020-12-22 06:55:51,773 INFO L185 CegarLoopUtils]: At program point L852-3(lines 843 856) the Hoare annotation is: false [2020-12-22 06:55:51,773 INFO L185 CegarLoopUtils]: At program point L852-4(lines 843 856) the Hoare annotation is: false [2020-12-22 06:55:51,773 INFO L189 CegarLoopUtils]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,773 INFO L185 CegarLoopUtils]: At program point L852-5(lines 843 856) the Hoare annotation is: false [2020-12-22 06:55:51,773 INFO L189 CegarLoopUtils]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,773 INFO L189 CegarLoopUtils]: For program point L687-3(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,773 INFO L189 CegarLoopUtils]: For program point L687-5(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-6(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-8(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-9(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-11(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-12(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-14(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-15(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,774 INFO L189 CegarLoopUtils]: For program point L687-17(lines 687 691) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L886-2(lines 886 892) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L185 CegarLoopUtils]: At program point L754(lines 707 755) the Hoare annotation is: false [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L886-4(lines 886 892) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L589-1(lines 589 597) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point L589-2(lines 589 597) no Hoare annotation was computed. [2020-12-22 06:55:51,775 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559-1(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559-2(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559-3(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559-4(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L189 CegarLoopUtils]: For program point L559-5(lines 559 576) no Hoare annotation was computed. [2020-12-22 06:55:51,776 INFO L185 CegarLoopUtils]: At program point L923(lines 1 934) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:55:51,777 INFO L185 CegarLoopUtils]: At program point L527(lines 526 545) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse10 (<= ~waterLevel~0 2)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse7 .cse8 .cse9 .cse6 .cse10) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse9 .cse6) (and .cse1 .cse3 .cse8 .cse9 .cse6 .cse10) (and .cse1 .cse0 .cse3 .cse9 .cse6))) [2020-12-22 06:55:51,777 INFO L189 CegarLoopUtils]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2020-12-22 06:55:51,777 INFO L185 CegarLoopUtils]: At program point L527-2(lines 526 545) the Hoare annotation is: false [2020-12-22 06:55:51,777 INFO L185 CegarLoopUtils]: At program point L527-3(lines 526 545) the Hoare annotation is: false [2020-12-22 06:55:51,777 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:51,777 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 862) no Hoare annotation was computed. [2020-12-22 06:55:51,777 INFO L185 CegarLoopUtils]: At program point L693(lines 678 696) the Hoare annotation is: false [2020-12-22 06:55:51,778 INFO L185 CegarLoopUtils]: At program point L693-1(lines 678 696) the Hoare annotation is: (let ((.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse0 (not .cse10)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (not .cse14)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse13 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse15 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse10 .cse3 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15) (and .cse9 .cse10 .cse11 .cse4 .cse12 .cse13 .cse14 .cse6 .cse7 .cse15)))) [2020-12-22 06:55:51,778 INFO L185 CegarLoopUtils]: At program point L693-2(lines 678 696) the Hoare annotation is: false [2020-12-22 06:55:51,778 INFO L185 CegarLoopUtils]: At program point L693-3(lines 678 696) the Hoare annotation is: false [2020-12-22 06:55:51,778 INFO L185 CegarLoopUtils]: At program point L693-4(lines 678 696) the Hoare annotation is: false [2020-12-22 06:55:51,778 INFO L185 CegarLoopUtils]: At program point L693-5(lines 678 696) the Hoare annotation is: false [2020-12-22 06:55:51,778 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-12-22 06:55:51,778 INFO L192 CegarLoopUtils]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-12-22 06:55:51,778 INFO L189 CegarLoopUtils]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-12-22 06:55:51,779 INFO L189 CegarLoopUtils]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-12-22 06:55:51,779 INFO L185 CegarLoopUtils]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse8 .cse9 .cse5 .cse6) (and .cse10 .cse2 .cse7 .cse9 .cse5) (and .cse2 .cse7 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse8 .cse9 .cse5 .cse6) (and .cse0 .cse10 .cse2 .cse9 .cse5))) [2020-12-22 06:55:51,779 INFO L185 CegarLoopUtils]: At program point L629(lines 622 632) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6))) [2020-12-22 06:55:51,779 INFO L185 CegarLoopUtils]: At program point L629-1(lines 622 632) the Hoare annotation is: false [2020-12-22 06:55:51,779 INFO L189 CegarLoopUtils]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,779 INFO L185 CegarLoopUtils]: At program point L629-2(lines 622 632) the Hoare annotation is: false [2020-12-22 06:55:51,780 INFO L189 CegarLoopUtils]: For program point L563-1(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,780 INFO L189 CegarLoopUtils]: For program point L563-2(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,780 INFO L189 CegarLoopUtils]: For program point L563-3(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,780 INFO L189 CegarLoopUtils]: For program point L563-4(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,780 INFO L189 CegarLoopUtils]: For program point L563-5(lines 563 571) no Hoare annotation was computed. [2020-12-22 06:55:51,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:51 BoogieIcfgContainer [2020-12-22 06:55:51,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:51,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:51,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:51,840 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:51,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:38" (3/4) ... [2020-12-22 06:55:51,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:51,865 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:51,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:51,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:51,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:51,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:51,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:51,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:51,902 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:55:51,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:55:51,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) [2020-12-22 06:55:51,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,908 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:55:51,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:55:51,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 [2020-12-22 06:55:52,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product37.cil.c-witness.graphml [2020-12-22 06:55:52,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:52,002 INFO L168 Benchmark]: Toolchain (without parser) took 15669.69 ms. Allocated memory was 152.0 MB in the beginning and 316.7 MB in the end (delta: 164.6 MB). Free memory was 126.5 MB in the beginning and 285.5 MB in the end (delta: -159.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,003 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:52,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.30 ms. Allocated memory is still 152.0 MB. Free memory was 126.3 MB in the beginning and 105.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.69 ms. Allocated memory is still 152.0 MB. Free memory was 105.3 MB in the beginning and 101.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,008 INFO L168 Benchmark]: Boogie Preprocessor took 77.81 ms. Allocated memory is still 152.0 MB. Free memory was 134.5 MB in the beginning and 132.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,008 INFO L168 Benchmark]: RCFGBuilder took 1193.46 ms. Allocated memory is still 152.0 MB. Free memory was 132.2 MB in the beginning and 68.8 MB in the end (delta: 63.4 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,009 INFO L168 Benchmark]: TraceAbstraction took 13472.05 ms. Allocated memory was 152.0 MB in the beginning and 316.7 MB in the end (delta: 164.6 MB). Free memory was 68.2 MB in the beginning and 296.0 MB in the end (delta: -227.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,009 INFO L168 Benchmark]: Witness Printer took 161.92 ms. Allocated memory is still 316.7 MB. Free memory was 296.0 MB in the beginning and 285.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:52,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 616.30 ms. Allocated memory is still 152.0 MB. Free memory was 126.3 MB in the beginning and 105.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 114.69 ms. Allocated memory is still 152.0 MB. Free memory was 105.3 MB in the beginning and 101.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 77.81 ms. Allocated memory is still 152.0 MB. Free memory was 134.5 MB in the beginning and 132.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1193.46 ms. Allocated memory is still 152.0 MB. Free memory was 132.2 MB in the beginning and 68.8 MB in the end (delta: 63.4 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 13472.05 ms. Allocated memory was 152.0 MB in the beginning and 316.7 MB in the end (delta: 164.6 MB). Free memory was 68.2 MB in the beginning and 296.0 MB in the end (delta: -227.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 8.0 GB. * Witness Printer took 161.92 ms. Allocated memory is still 316.7 MB. Free memory was 296.0 MB in the beginning and 285.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 862]: 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: 718]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((waterLevel <= 1 && tmp == 0) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0)) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && waterLevel <= 2) && (((waterLevel == 1 && tmp == 0) && splverifierCounter == 0) || ((2 <= waterLevel && tmp == 0) && splverifierCounter == 0)))) || ((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || (((((((methaneLevelCritical == systemActive && 1 == systemActive) && 1 <= tmp) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && waterLevel <= 1) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) || ((((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0)) || (((((((((\result == 0 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((((methaneLevelCritical == systemActive && \result == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((((((((((((1 == systemActive && tmp___0 == 1) && !(\result == 0)) && \result == 1) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == tmp) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((methaneLevelCritical == systemActive && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((!(\result == 0) && waterLevel <= 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 0) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((((tmp == 1 && tmp___0 == 1) && 1 == systemActive) && \result == 1) && \result == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == systemActive && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((((waterLevel <= 1 && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 678]: 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: 707]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) || ((((((((waterLevel <= 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && 1 <= \result) && splverifierCounter == 0) || ((((((((waterLevel <= 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((waterLevel <= 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 == 1) && \result == 1) && tmp___0 <= 1) && \result == 0) && tmp == 0) && splverifierCounter == 0)) || ((((((((((((tmp == 1 && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && tmp == 0) && \result == 0) && splverifierCounter == 0) && \result == 0) && tmp == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && 1 <= tmp) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) || ((((((((((methaneLevelCritical == systemActive && \result == 0) && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && tmp___0 == 1) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) && waterLevel <= 2)) || ((((((((((\result == 0 && tmp == 1) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 == 1) && \result == 1) && tmp == 0) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((waterLevel <= 1 && methaneLevelCritical == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)) || (((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && !(pumpRunning == 0)) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && methaneLevelCritical == systemActive) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((waterLevel <= 1 && methaneLevelCritical == 0) && tmp___0 == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && splverifierCounter == 0)) || ((((waterLevel <= 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == systemActive && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((methaneLevelCritical == systemActive && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1372 SDtfs, 1934 SDslu, 2475 SDs, 0 SdLazy, 407 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1088 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 246 NumberOfFragments, 1520 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2610356 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 215572 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 54255 SizeOfPredicates, 6 NumberOfNonLiveVariables, 867 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 62/88 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...