./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2adcf2b9b8b03691138caa579df024fc7b4a734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:45:57,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:45:57,641 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:45:57,651 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:45:57,651 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:45:57,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:45:57,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:45:57,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:45:57,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:45:57,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:45:57,658 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:45:57,658 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:45:57,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:45:57,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:45:57,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:45:57,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:45:57,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:45:57,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:45:57,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:45:57,666 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:45:57,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:45:57,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:45:57,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:45:57,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:45:57,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:45:57,672 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:45:57,673 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:45:57,673 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:45:57,674 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:45:57,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:45:57,675 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:45:57,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:45:57,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:45:57,676 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:45:57,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:45:57,678 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:45:57,678 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:45:57,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:45:57,700 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:45:57,701 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:45:57,701 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:45:57,702 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:45:57,702 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:45:57,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:45:57,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:45:57,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:45:57,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:45:57,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:45:57,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:45:57,703 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:45:57,704 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:45:57,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:45:57,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:45:57,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:45:57,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:45:57,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:45:57,704 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:45:57,705 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:45:57,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:45:57,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:45:57,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-10-26 22:45:57,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:45:57,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:45:57,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:45:57,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:45:57,759 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:45:57,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-10-26 22:45:57,808 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/data/d1f4be893/276b6ceadea14b1b82c3d539084c8243/FLAG5088a12d8 [2018-10-26 22:45:58,238 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:45:58,244 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-10-26 22:45:58,260 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/data/d1f4be893/276b6ceadea14b1b82c3d539084c8243/FLAG5088a12d8 [2018-10-26 22:45:58,275 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/data/d1f4be893/276b6ceadea14b1b82c3d539084c8243 [2018-10-26 22:45:58,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:45:58,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:45:58,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:45:58,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:45:58,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:45:58,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ffa6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58, skipping insertion in model container [2018-10-26 22:45:58,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:45:58,334 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:45:58,614 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:45:58,624 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:45:58,692 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:45:58,715 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:45:58,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58 WrapperNode [2018-10-26 22:45:58,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:45:58,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:45:58,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:45:58,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:45:58,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:45:58,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:45:58,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:45:58,872 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:45:58,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... [2018-10-26 22:45:58,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:45:58,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:45:58,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:45:58,928 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:45:58,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:45:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-10-26 22:45:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:45:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:45:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:45:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:45:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:45:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:45:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:45:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:45:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:45:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:45:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:45:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:45:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:45:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:45:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:46:01,660 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:46:01,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:46:01 BoogieIcfgContainer [2018-10-26 22:46:01,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:46:01,662 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:46:01,662 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:46:01,672 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:46:01,672 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:46:01" (1/1) ... [2018-10-26 22:46:01,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:46:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-10-26 22:46:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-10-26 22:46:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:46:01,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-10-26 22:46:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-10-26 22:46:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 22:46:01,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:02,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:02,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-10-26 22:46:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-10-26 22:46:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:46:02,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:02,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-10-26 22:46:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-10-26 22:46:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:46:03,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:03,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-10-26 22:46:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-10-26 22:46:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:46:03,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:03,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-10-26 22:46:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-10-26 22:46:03,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:46:03,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-10-26 22:46:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-10-26 22:46:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:46:03,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2018-10-26 22:46:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2018-10-26 22:46:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 22:46:04,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:04,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:05,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2018-10-26 22:46:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2018-10-26 22:46:05,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 22:46:05,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2018-10-26 22:46:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2018-10-26 22:46:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 22:46:05,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:46:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 154 transitions. [2018-10-26 22:46:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-10-26 22:46:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 22:46:05,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:05,906 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:06,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 167 transitions. [2018-10-26 22:46:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2018-10-26 22:46:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:46:06,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 163 transitions. [2018-10-26 22:46:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2018-10-26 22:46:06,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 22:46:06,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:46:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 175 transitions. [2018-10-26 22:46:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2018-10-26 22:46:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 22:46:08,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 209 transitions. [2018-10-26 22:46:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 209 transitions. [2018-10-26 22:46:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:46:09,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 128 states and 210 transitions. [2018-10-26 22:46:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 210 transitions. [2018-10-26 22:46:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:46:09,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 129 states and 211 transitions. [2018-10-26 22:46:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-10-26 22:46:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 22:46:09,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 22:46:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 215 transitions. [2018-10-26 22:46:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 215 transitions. [2018-10-26 22:46:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:46:09,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:46:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 267 transitions. [2018-10-26 22:46:12,266 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2018-10-26 22:46:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:46:12,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:46:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 151 states and 268 transitions. [2018-10-26 22:46:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 268 transitions. [2018-10-26 22:46:12,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:46:12,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:46:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 269 transitions. [2018-10-26 22:46:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2018-10-26 22:46:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:46:12,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:46:13,201 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 22:46:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 162 states and 296 transitions. [2018-10-26 22:46:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 296 transitions. [2018-10-26 22:46:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 22:46:14,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:46:15,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 166 states and 303 transitions. [2018-10-26 22:46:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 303 transitions. [2018-10-26 22:46:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:46:15,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 22:46:16,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:16,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 169 states and 304 transitions. [2018-10-26 22:46:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-10-26 22:46:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:46:16,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:46:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 300 transitions. [2018-10-26 22:46:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2018-10-26 22:46:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:46:16,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 22:46:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 276 transitions. [2018-10-26 22:46:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 276 transitions. [2018-10-26 22:46:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 22:46:17,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:46:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 163 states and 291 transitions. [2018-10-26 22:46:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 291 transitions. [2018-10-26 22:46:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 22:46:18,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:46:20,008 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 22:46:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 163 states and 290 transitions. [2018-10-26 22:46:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2018-10-26 22:46:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:46:20,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 22:46:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 164 states and 291 transitions. [2018-10-26 22:46:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 291 transitions. [2018-10-26 22:46:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 22:46:20,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:46:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:20,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 166 states and 294 transitions. [2018-10-26 22:46:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-10-26 22:46:20,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 22:46:20,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:20,377 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:46:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 167 states and 295 transitions. [2018-10-26 22:46:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 295 transitions. [2018-10-26 22:46:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 22:46:20,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:46:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 163 states and 283 transitions. [2018-10-26 22:46:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 283 transitions. [2018-10-26 22:46:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:46:20,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 22:46:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 139 states and 211 transitions. [2018-10-26 22:46:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 211 transitions. [2018-10-26 22:46:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 22:46:21,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:46:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 22:46:21,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:46:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 78 states and 105 transitions. [2018-10-26 22:46:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2018-10-26 22:46:21,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:46:21,718 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-10-26 22:46:21,730 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:46:22,106 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,109 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,110 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,110 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 22:46:22,114 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,115 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,115 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,115 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,115 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,115 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:46:22,116 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 22:46:22,117 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 22:46:22,118 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,118 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,118 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:46:22,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:46:22 ImpRootNode [2018-10-26 22:46:22,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:46:22,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:46:22,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:46:22,119 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:46:22,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:46:01" (3/4) ... [2018-10-26 22:46:22,123 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:46:22,130 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:46:22,130 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:46:22,130 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:46:22,130 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:46:22,130 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:46:22,131 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:46:22,139 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-10-26 22:46:22,140 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 22:46:22,140 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:46:22,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) [2018-10-26 22:46:22,173 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-26 22:46:22,174 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-10-26 22:46:22,222 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc71235a-8907-4816-a54b-c49098136266/bin-2019/ukojak/witness.graphml [2018-10-26 22:46:22,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:46:22,224 INFO L168 Benchmark]: Toolchain (without parser) took 23944.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 261.6 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -115.5 MB). Peak memory consumption was 146.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,225 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:46:22,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.01 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,226 INFO L168 Benchmark]: Boogie Preprocessor took 56.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,226 INFO L168 Benchmark]: RCFGBuilder took 2733.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,226 INFO L168 Benchmark]: CodeCheck took 20457.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,227 INFO L168 Benchmark]: Witness Printer took 103.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:46:22,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 111 locations, 1 error locations. SAFE Result, 20.0s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1830422660 SDtfs, 514446056 SDslu, -267570284 SDs, 0 SdLazy, 262809340 SolverSat, 45037320 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14916 GetRequests, 14559 SyntacticMatches, 151 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16694 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1567 NumberOfCodeBlocks, 1567 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1534 ConstructedInterpolants, 0 QuantifiedInterpolants, 152951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 723/758 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 543]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 435.01 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 154.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2733.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * CodeCheck took 20457.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -44.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * Witness Printer took 103.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...