/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_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:29,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:29,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:29,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:29,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:29,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:29,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:29,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:29,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:29,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:29,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:29,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:29,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:29,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:29,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:29,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:29,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:29,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:29,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:29,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:29,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:29,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:29,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:29,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:29,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:29,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:29,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:29,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:29,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:29,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:29,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:29,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:29,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:29,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:29,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:29,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:29,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:29,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:29,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:29,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:29,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:29,942 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:29,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:29,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:29,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:29,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:29,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:29,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:29,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:29,944 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:29,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:29,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:29,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:29,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:29,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:29,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:29,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:29,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:29,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:29,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:29,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:29,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:29,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:30,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:30,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:30,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:30,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:30,418 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:30,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-12-22 06:53:30,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f733c33/ab697f42ee824ca5a120c2108d69487d/FLAG3c514be33 [2020-12-22 06:53:31,168 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:31,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2020-12-22 06:53:31,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f733c33/ab697f42ee824ca5a120c2108d69487d/FLAG3c514be33 [2020-12-22 06:53:31,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f733c33/ab697f42ee824ca5a120c2108d69487d [2020-12-22 06:53:31,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:31,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:31,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:31,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:31,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:31,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:31" (1/1) ... [2020-12-22 06:53:31,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6c4be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:31, skipping insertion in model container [2020-12-22 06:53:31,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:31" (1/1) ... [2020-12-22 06:53:31,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:31,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:31,850 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_spec1_product46.cil.c[6695,6708] [2020-12-22 06:53:31,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:31,967 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:32,006 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_spec1_product46.cil.c[6695,6708] [2020-12-22 06:53:32,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:32,135 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:32,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32 WrapperNode [2020-12-22 06:53:32,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:32,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:32,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:32,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:32,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:32,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:32,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:32,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:32,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (1/1) ... [2020-12-22 06:53:32,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:32,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:32,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:32,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:32,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (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 06:53:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:33,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:33,607 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2020-12-22 06:53:33,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:33 BoogieIcfgContainer [2020-12-22 06:53:33,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:33,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:33,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:33,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:33,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:31" (1/3) ... [2020-12-22 06:53:33,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9cbbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:33, skipping insertion in model container [2020-12-22 06:53:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:32" (2/3) ... [2020-12-22 06:53:33,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9cbbb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:33, skipping insertion in model container [2020-12-22 06:53:33,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:33" (3/3) ... [2020-12-22 06:53:33,618 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-12-22 06:53:33,625 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:33,631 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:33,651 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:33,681 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:33,681 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:33,681 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:33,681 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:33,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:33,681 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:33,682 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:33,682 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-12-22 06:53:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:33,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:33,709 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:33,710 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:33,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:33,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2020-12-22 06:53:33,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:33,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580447105] [2020-12-22 06:53:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:34,075 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 06:53:34,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580447105] [2020-12-22 06:53:34,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:34,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:34,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219860496] [2020-12-22 06:53:34,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:34,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:34,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:34,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:34,105 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2020-12-22 06:53:34,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:34,165 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2020-12-22 06:53:34,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:34,167 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:34,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:34,199 INFO L225 Difference]: With dead ends: 252 [2020-12-22 06:53:34,199 INFO L226 Difference]: Without dead ends: 125 [2020-12-22 06:53:34,206 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 06:53:34,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-22 06:53:34,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-22 06:53:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-22 06:53:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2020-12-22 06:53:34,283 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2020-12-22 06:53:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:34,285 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2020-12-22 06:53:34,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2020-12-22 06:53:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:34,288 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:34,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:34,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:34,289 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:34,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:34,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2020-12-22 06:53:34,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:34,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803003002] [2020-12-22 06:53:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:34,403 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 06:53:34,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803003002] [2020-12-22 06:53:34,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:34,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:34,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634045059] [2020-12-22 06:53:34,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:34,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:34,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:34,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:34,407 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2020-12-22 06:53:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:34,420 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2020-12-22 06:53:34,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:34,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:34,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:34,422 INFO L225 Difference]: With dead ends: 125 [2020-12-22 06:53:34,422 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:53:34,423 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 06:53:34,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:53:34,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:53:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:53:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-22 06:53:34,429 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2020-12-22 06:53:34,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:34,429 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-22 06:53:34,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-22 06:53:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:34,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:34,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:34,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:34,431 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:34,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2020-12-22 06:53:34,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:34,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719911988] [2020-12-22 06:53:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:34,524 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 06:53:34,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719911988] [2020-12-22 06:53:34,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:34,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:34,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752089605] [2020-12-22 06:53:34,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:34,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:34,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:34,527 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 5 states. [2020-12-22 06:53:34,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:34,574 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-12-22 06:53:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:34,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:53:34,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:34,576 INFO L225 Difference]: With dead ends: 96 [2020-12-22 06:53:34,576 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:53:34,577 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 06:53:34,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:53:34,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:53:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:53:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-12-22 06:53:34,583 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2020-12-22 06:53:34,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:34,584 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-12-22 06:53:34,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-12-22 06:53:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:34,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:34,585 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 06:53:34,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:34,586 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:34,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:34,586 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2020-12-22 06:53:34,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:34,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659228479] [2020-12-22 06:53:34,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:34,701 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 06:53:34,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659228479] [2020-12-22 06:53:34,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:34,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:34,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9483768] [2020-12-22 06:53:34,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:34,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:34,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:34,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:34,707 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-12-22 06:53:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:34,750 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2020-12-22 06:53:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:34,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:53:34,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:34,752 INFO L225 Difference]: With dead ends: 117 [2020-12-22 06:53:34,752 INFO L226 Difference]: Without dead ends: 72 [2020-12-22 06:53:34,753 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 06:53:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-22 06:53:34,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2020-12-22 06:53:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-22 06:53:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2020-12-22 06:53:34,762 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2020-12-22 06:53:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:34,763 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2020-12-22 06:53:34,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-12-22 06:53:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 06:53:34,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:34,764 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] [2020-12-22 06:53:34,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:34,765 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:34,766 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2020-12-22 06:53:34,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:34,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208184279] [2020-12-22 06:53:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:34,847 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 06:53:34,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208184279] [2020-12-22 06:53:34,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:34,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:34,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922300336] [2020-12-22 06:53:34,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:34,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:34,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:34,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:34,850 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2020-12-22 06:53:35,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:35,013 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2020-12-22 06:53:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:35,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-22 06:53:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:35,040 INFO L225 Difference]: With dead ends: 335 [2020-12-22 06:53:35,040 INFO L226 Difference]: Without dead ends: 271 [2020-12-22 06:53:35,042 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 06:53:35,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-12-22 06:53:35,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2020-12-22 06:53:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:53:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-12-22 06:53:35,089 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2020-12-22 06:53:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:35,089 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-12-22 06:53:35,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-12-22 06:53:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:53:35,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:35,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:35,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:35,095 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:35,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:35,095 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2020-12-22 06:53:35,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:35,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953638537] [2020-12-22 06:53:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:35,211 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 06:53:35,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953638537] [2020-12-22 06:53:35,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:35,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:35,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132954567] [2020-12-22 06:53:35,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:35,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:35,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:35,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:35,214 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2020-12-22 06:53:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:35,344 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-12-22 06:53:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:53:35,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:53:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:35,347 INFO L225 Difference]: With dead ends: 366 [2020-12-22 06:53:35,347 INFO L226 Difference]: Without dead ends: 364 [2020-12-22 06:53:35,348 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 06:53:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-12-22 06:53:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2020-12-22 06:53:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-22 06:53:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2020-12-22 06:53:35,368 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2020-12-22 06:53:35,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:35,369 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2020-12-22 06:53:35,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2020-12-22 06:53:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:35,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:35,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:35,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:53:35,371 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:35,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:35,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2020-12-22 06:53:35,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:35,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483509964] [2020-12-22 06:53:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:35,429 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 06:53:35,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483509964] [2020-12-22 06:53:35,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:35,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:35,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471653403] [2020-12-22 06:53:35,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:35,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:35,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:35,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:35,432 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2020-12-22 06:53:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:35,498 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2020-12-22 06:53:35,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:35,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:35,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:35,501 INFO L225 Difference]: With dead ends: 336 [2020-12-22 06:53:35,501 INFO L226 Difference]: Without dead ends: 214 [2020-12-22 06:53:35,502 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 06:53:35,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-12-22 06:53:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2020-12-22 06:53:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-12-22 06:53:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-12-22 06:53:35,516 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2020-12-22 06:53:35,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:35,516 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-12-22 06:53:35,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-12-22 06:53:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:35,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:35,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:35,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:53:35,518 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:35,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:35,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2020-12-22 06:53:35,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:35,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98275439] [2020-12-22 06:53:35,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:35,565 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 06:53:35,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98275439] [2020-12-22 06:53:35,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:35,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:35,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123928462] [2020-12-22 06:53:35,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:53:35,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:35,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:53:35,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:53:35,568 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2020-12-22 06:53:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:35,617 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2020-12-22 06:53:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:53:35,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-22 06:53:35,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:35,619 INFO L225 Difference]: With dead ends: 332 [2020-12-22 06:53:35,619 INFO L226 Difference]: Without dead ends: 198 [2020-12-22 06:53:35,620 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 06:53:35,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-12-22 06:53:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2020-12-22 06:53:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-12-22 06:53:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2020-12-22 06:53:35,635 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2020-12-22 06:53:35,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:35,635 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2020-12-22 06:53:35,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:53:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2020-12-22 06:53:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:35,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:35,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:35,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:53:35,637 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:35,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:35,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2020-12-22 06:53:35,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:35,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007680453] [2020-12-22 06:53:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:35,696 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 06:53:35,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007680453] [2020-12-22 06:53:35,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:35,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:35,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412240767] [2020-12-22 06:53:35,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:35,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:35,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:35,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:35,699 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2020-12-22 06:53:35,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:35,730 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2020-12-22 06:53:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:35,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:53:35,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:35,732 INFO L225 Difference]: With dead ends: 340 [2020-12-22 06:53:35,732 INFO L226 Difference]: Without dead ends: 198 [2020-12-22 06:53:35,733 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 06:53:35,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-12-22 06:53:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-12-22 06:53:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-12-22 06:53:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2020-12-22 06:53:35,753 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2020-12-22 06:53:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:35,753 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2020-12-22 06:53:35,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2020-12-22 06:53:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:53:35,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:35,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:35,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:53:35,755 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:35,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2020-12-22 06:53:35,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:35,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400266623] [2020-12-22 06:53:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:35,820 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 06:53:35,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400266623] [2020-12-22 06:53:35,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:35,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:35,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235735799] [2020-12-22 06:53:35,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:35,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:35,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:35,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:35,823 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2020-12-22 06:53:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:36,127 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2020-12-22 06:53:36,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:53:36,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:53:36,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:36,130 INFO L225 Difference]: With dead ends: 666 [2020-12-22 06:53:36,131 INFO L226 Difference]: Without dead ends: 474 [2020-12-22 06:53:36,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:53:36,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-12-22 06:53:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2020-12-22 06:53:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-12-22 06:53:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2020-12-22 06:53:36,158 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2020-12-22 06:53:36,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:36,159 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2020-12-22 06:53:36,159 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2020-12-22 06:53:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:53:36,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:36,160 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, 1, 1] [2020-12-22 06:53:36,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:53:36,160 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:36,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:36,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2020-12-22 06:53:36,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:36,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456139264] [2020-12-22 06:53:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:53:36,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456139264] [2020-12-22 06:53:36,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:36,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:53:36,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217753917] [2020-12-22 06:53:36,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:53:36,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:36,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:53:36,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:36,270 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 8 states. [2020-12-22 06:53:36,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:36,644 INFO L93 Difference]: Finished difference Result 518 states and 667 transitions. [2020-12-22 06:53:36,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 06:53:36,644 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:53:36,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:36,645 INFO L225 Difference]: With dead ends: 518 [2020-12-22 06:53:36,645 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:36,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-12-22 06:53:36,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:36,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:36,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:53:36,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:36,647 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:36,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:53:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:36,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:36,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:53:36,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:36,858 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2020-12-22 06:53:37,067 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 105 [2020-12-22 06:53:37,320 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 100 [2020-12-22 06:53:37,601 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 97 [2020-12-22 06:53:37,734 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2020-12-22 06:53:37,946 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 82 [2020-12-22 06:53:38,218 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 18 [2020-12-22 06:53:38,461 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 18 [2020-12-22 06:53:38,887 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-12-22 06:53:39,275 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2020-12-22 06:53:39,586 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-12-22 06:53:39,877 WARN L197 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2020-12-22 06:53:40,322 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 21 [2020-12-22 06:53:40,604 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2020-12-22 06:53:40,826 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 18 [2020-12-22 06:53:40,878 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,878 INFO L185 CegarLoopUtils]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2020-12-22 06:53:40,879 INFO L185 CegarLoopUtils]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2020-12-22 06:53:40,879 INFO L185 CegarLoopUtils]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2020-12-22 06:53:40,879 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-12-22 06:53:40,880 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2020-12-22 06:53:40,880 INFO L189 CegarLoopUtils]: For program point L502-3(lines 502 506) no Hoare annotation was computed. [2020-12-22 06:53:40,880 INFO L189 CegarLoopUtils]: For program point L502-6(lines 502 506) no Hoare annotation was computed. [2020-12-22 06:53:40,880 INFO L185 CegarLoopUtils]: At program point L337-2(lines 337 351) the Hoare annotation is: false [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point L338(line 338) no Hoare annotation was computed. [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point L307(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point L307-2(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point L307-3(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,881 INFO L189 CegarLoopUtils]: For program point L307-5(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-6(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-8(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-9(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-11(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-12(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-14(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,882 INFO L189 CegarLoopUtils]: For program point L307-15(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,883 INFO L189 CegarLoopUtils]: For program point L307-17(lines 307 311) no Hoare annotation was computed. [2020-12-22 06:53:40,883 INFO L185 CegarLoopUtils]: At program point L539(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:53:40,883 INFO L185 CegarLoopUtils]: At program point L539-1(lines 534 542) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,883 INFO L185 CegarLoopUtils]: At program point L539-2(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:40,884 INFO L185 CegarLoopUtils]: At program point L539-3(lines 534 542) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3))) [2020-12-22 06:53:40,884 INFO L185 CegarLoopUtils]: At program point L539-4(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,884 INFO L185 CegarLoopUtils]: At program point L539-5(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,884 INFO L185 CegarLoopUtils]: At program point L539-6(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,884 INFO L189 CegarLoopUtils]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-12-22 06:53:40,884 INFO L185 CegarLoopUtils]: At program point L539-7(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,885 INFO L189 CegarLoopUtils]: For program point L341-1(lines 130 136) no Hoare annotation was computed. [2020-12-22 06:53:40,885 INFO L185 CegarLoopUtils]: At program point L539-8(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,885 INFO L185 CegarLoopUtils]: At program point L539-9(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,885 INFO L185 CegarLoopUtils]: At program point L539-10(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,885 INFO L185 CegarLoopUtils]: At program point L539-11(lines 534 542) the Hoare annotation is: false [2020-12-22 06:53:40,885 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:53:40,886 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:53:40,886 INFO L189 CegarLoopUtils]: For program point L477(lines 477 490) no Hoare annotation was computed. [2020-12-22 06:53:40,886 INFO L185 CegarLoopUtils]: At program point L477-1(lines 1 954) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-12-22 06:53:40,886 INFO L189 CegarLoopUtils]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-12-22 06:53:40,886 INFO L189 CegarLoopUtils]: For program point L477-2(lines 477 490) no Hoare annotation was computed. [2020-12-22 06:53:40,887 INFO L185 CegarLoopUtils]: At program point L477-3(lines 1 954) the Hoare annotation is: false [2020-12-22 06:53:40,887 INFO L192 CegarLoopUtils]: At program point L411-1(lines 411 418) the Hoare annotation is: true [2020-12-22 06:53:40,887 INFO L189 CegarLoopUtils]: For program point L477-4(lines 477 490) no Hoare annotation was computed. [2020-12-22 06:53:40,887 INFO L185 CegarLoopUtils]: At program point L477-5(lines 1 954) the Hoare annotation is: false [2020-12-22 06:53:40,887 INFO L185 CegarLoopUtils]: At program point L313(lines 298 316) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,888 INFO L185 CegarLoopUtils]: At program point L313-1(lines 298 316) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:40,888 INFO L185 CegarLoopUtils]: At program point L313-2(lines 298 316) the Hoare annotation is: false [2020-12-22 06:53:40,888 INFO L185 CegarLoopUtils]: At program point L313-3(lines 298 316) the Hoare annotation is: false [2020-12-22 06:53:40,888 INFO L185 CegarLoopUtils]: At program point L313-4(lines 298 316) the Hoare annotation is: false [2020-12-22 06:53:40,888 INFO L185 CegarLoopUtils]: At program point L313-5(lines 298 316) the Hoare annotation is: false [2020-12-22 06:53:40,888 INFO L189 CegarLoopUtils]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,889 INFO L189 CegarLoopUtils]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,889 INFO L189 CegarLoopUtils]: For program point L579-2(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,889 INFO L189 CegarLoopUtils]: For program point L579-3(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,889 INFO L185 CegarLoopUtils]: At program point L447(lines 1 954) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:53:40,889 INFO L189 CegarLoopUtils]: For program point L579-4(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,889 INFO L189 CegarLoopUtils]: For program point L579-5(lines 579 585) no Hoare annotation was computed. [2020-12-22 06:53:40,890 INFO L185 CegarLoopUtils]: At program point L249(lines 242 252) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:53:40,890 INFO L185 CegarLoopUtils]: At program point L249-1(lines 242 252) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,890 INFO L185 CegarLoopUtils]: At program point L249-2(lines 242 252) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-3(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-4(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-5(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-6(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-7(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L185 CegarLoopUtils]: At program point L249-8(lines 242 252) the Hoare annotation is: false [2020-12-22 06:53:40,891 INFO L189 CegarLoopUtils]: For program point L514(lines 514 518) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L189 CegarLoopUtils]: For program point L481(lines 481 487) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L189 CegarLoopUtils]: For program point L481-2(lines 481 487) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L189 CegarLoopUtils]: For program point L481-4(lines 481 487) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-12-22 06:53:40,892 INFO L185 CegarLoopUtils]: At program point L385(lines 381 387) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584(lines 575 588) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584-1(lines 575 588) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584-2(lines 575 588) the Hoare annotation is: false [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584-3(lines 575 588) the Hoare annotation is: false [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584-4(lines 575 588) the Hoare annotation is: false [2020-12-22 06:53:40,893 INFO L185 CegarLoopUtils]: At program point L584-5(lines 575 588) the Hoare annotation is: false [2020-12-22 06:53:40,894 INFO L189 CegarLoopUtils]: For program point L188(lines 188 205) no Hoare annotation was computed. [2020-12-22 06:53:40,894 INFO L189 CegarLoopUtils]: For program point L188-1(lines 188 205) no Hoare annotation was computed. [2020-12-22 06:53:40,894 INFO L189 CegarLoopUtils]: For program point L188-2(lines 188 205) no Hoare annotation was computed. [2020-12-22 06:53:40,894 INFO L192 CegarLoopUtils]: At program point L420(lines 401 423) the Hoare annotation is: true [2020-12-22 06:53:40,894 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:53:40,894 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-12-22 06:53:40,894 INFO L185 CegarLoopUtils]: At program point L455(lines 450 458) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224-2(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224-4(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224-6(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224-8(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L189 CegarLoopUtils]: For program point L224-10(lines 224 230) no Hoare annotation was computed. [2020-12-22 06:53:40,895 INFO L185 CegarLoopUtils]: At program point L258(lines 253 261) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:53:40,896 INFO L185 CegarLoopUtils]: At program point L258-1(lines 253 261) the Hoare annotation is: false [2020-12-22 06:53:40,896 INFO L189 CegarLoopUtils]: For program point L192(lines 192 200) no Hoare annotation was computed. [2020-12-22 06:53:40,896 INFO L185 CegarLoopUtils]: At program point L258-2(lines 253 261) the Hoare annotation is: false [2020-12-22 06:53:40,896 INFO L189 CegarLoopUtils]: For program point L192-1(lines 192 200) no Hoare annotation was computed. [2020-12-22 06:53:40,896 INFO L189 CegarLoopUtils]: For program point L192-2(lines 192 200) no Hoare annotation was computed. [2020-12-22 06:53:40,896 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:53:40,896 INFO L189 CegarLoopUtils]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L185 CegarLoopUtils]: At program point L95-2(lines 130 136) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162-3(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162-4(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,897 INFO L189 CegarLoopUtils]: For program point L162-5(lines 162 179) no Hoare annotation was computed. [2020-12-22 06:53:40,898 INFO L189 CegarLoopUtils]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-12-22 06:53:40,898 INFO L185 CegarLoopUtils]: At program point L130(lines 129 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:53:40,898 INFO L189 CegarLoopUtils]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2020-12-22 06:53:40,898 INFO L185 CegarLoopUtils]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2020-12-22 06:53:40,898 INFO L185 CegarLoopUtils]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2020-12-22 06:53:40,898 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:53:40,898 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L166(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L166-3(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,899 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse2 .cse5 .cse3 .cse4))) [2020-12-22 06:53:40,899 INFO L189 CegarLoopUtils]: For program point L166-4(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,900 INFO L189 CegarLoopUtils]: For program point L166-5(lines 166 174) no Hoare annotation was computed. [2020-12-22 06:53:40,900 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,900 INFO L189 CegarLoopUtils]: For program point L464-1(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,900 INFO L189 CegarLoopUtils]: For program point L464-2(line 464) no Hoare annotation was computed. [2020-12-22 06:53:40,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:53:40 BoogieIcfgContainer [2020-12-22 06:53:40,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:53:40,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:53:40,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:53:40,960 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:53:40,960 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:33" (3/4) ... [2020-12-22 06:53:40,967 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:53:40,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:53:40,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:53:41,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:53:41,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:53:41,002 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:53:41,004 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:41,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:53:41,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:53:41,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-12-22 06:53:41,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,040 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,041 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,042 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:53:41,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:53:41,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:53:41,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:53:41,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:53:41,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:53:41,195 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product46.cil.c-witness.graphml [2020-12-22 06:53:41,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:53:41,197 INFO L168 Benchmark]: Toolchain (without parser) took 9683.56 ms. Allocated memory was 151.0 MB in the beginning and 274.7 MB in the end (delta: 123.7 MB). Free memory was 125.2 MB in the beginning and 191.6 MB in the end (delta: -66.4 MB). Peak memory consumption was 58.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,198 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:53:41,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.48 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.15 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 132.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,199 INFO L168 Benchmark]: Boogie Preprocessor took 92.81 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 129.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,199 INFO L168 Benchmark]: RCFGBuilder took 1244.90 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 64.3 MB in the end (delta: 65.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,199 INFO L168 Benchmark]: TraceAbstraction took 7348.20 ms. Allocated memory was 151.0 MB in the beginning and 274.7 MB in the end (delta: 123.7 MB). Free memory was 63.8 MB in the beginning and 203.1 MB in the end (delta: -139.3 MB). Peak memory consumption was 67.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,200 INFO L168 Benchmark]: Witness Printer took 236.12 ms. Allocated memory is still 274.7 MB. Free memory was 203.1 MB in the beginning and 191.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:53:41,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 618.48 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 132.15 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 132.5 MB in the end (delta: -28.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.81 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 129.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1244.90 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 64.3 MB in the end (delta: 65.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7348.20 ms. Allocated memory was 151.0 MB in the beginning and 274.7 MB in the end (delta: 123.7 MB). Free memory was 63.8 MB in the beginning and 203.1 MB in the end (delta: -139.3 MB). Peak memory consumption was 67.2 MB. Max. memory is 8.0 GB. * Witness Printer took 236.12 ms. Allocated memory is still 274.7 MB. Free memory was 203.1 MB in the beginning and 191.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 464]: 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 0) && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 1 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) || ((((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1234 SDtfs, 1775 SDslu, 2096 SDs, 0 SdLazy, 353 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 811 HoareAnnotationTreeSize, 55 FomulaSimplifications, 533256 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 91054 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 18975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...