./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:00:29,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:00:29,811 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:00:29,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:00:29,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:00:29,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:00:29,820 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:00:29,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:00:29,822 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:00:29,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:00:29,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:00:29,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:00:29,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:00:29,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:00:29,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:00:29,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:00:29,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:00:29,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:00:29,831 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:00:29,832 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:00:29,833 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:00:29,834 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:00:29,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:00:29,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:00:29,836 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:00:29,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:00:29,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:00:29,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:00:29,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:00:29,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:00:29,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:00:29,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:00:29,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:00:29,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:00:29,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:00:29,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:00:29,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:00:29,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:00:29,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:00:29,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:00:29,851 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:00:29,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:00:29,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:00:29,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:00:29,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:00:29,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:00:29,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:00:29,853 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:00:29,853 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:00:29,854 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:00:29,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:00:29,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:00:29,854 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_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-11-18 17:00:29,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:00:29,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:00:29,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:00:29,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:00:29,890 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:00:29,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-18 17:00:29,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/data/ca4b3571d/c346cc7132e14451961887e72023d419/FLAG3e2fb2355 [2018-11-18 17:00:30,357 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:00:30,358 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-18 17:00:30,366 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/data/ca4b3571d/c346cc7132e14451961887e72023d419/FLAG3e2fb2355 [2018-11-18 17:00:30,378 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/data/ca4b3571d/c346cc7132e14451961887e72023d419 [2018-11-18 17:00:30,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:00:30,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:00:30,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:00:30,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:00:30,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:00:30,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30, skipping insertion in model container [2018-11-18 17:00:30,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:00:30,430 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:00:30,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:00:30,631 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:00:30,740 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:00:30,763 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:00:30,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30 WrapperNode [2018-11-18 17:00:30,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:00:30,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:00:30,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:00:30,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:00:30,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:00:30,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:00:30,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:00:30,809 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:00:30,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... [2018-11-18 17:00:30,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:00:30,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:00:30,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:00:30,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:00:30,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:00:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/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 [2018-11-18 17:00:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:00:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:00:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:00:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:00:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:00:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:00:30,882 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:00:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:00:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:00:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:00:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:00:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:00:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:00:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:00:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:00:31,585 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:00:31,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:31 BoogieIcfgContainer [2018-11-18 17:00:31,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:00:31,586 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:00:31,586 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:00:31,593 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:00:31,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:31" (1/1) ... [2018-11-18 17:00:31,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-11-18 17:00:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-11-18 17:00:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:00:31,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:31,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-18 17:00:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-18 17:00:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:00:31,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-18 17:00:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-18 17:00:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:00:31,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-11-18 17:00:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-11-18 17:00:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:00:32,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2018-11-18 17:00:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2018-11-18 17:00:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:00:32,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-11-18 17:00:32,237 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-11-18 17:00:32,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:00:32,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 112 transitions. [2018-11-18 17:00:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2018-11-18 17:00:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:00:32,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2018-11-18 17:00:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2018-11-18 17:00:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:00:32,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2018-11-18 17:00:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-11-18 17:00:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:00:32,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2018-11-18 17:00:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2018-11-18 17:00:33,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:00:33,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 97 states and 148 transitions. [2018-11-18 17:00:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2018-11-18 17:00:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:00:33,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 103 states and 156 transitions. [2018-11-18 17:00:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2018-11-18 17:00:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:00:33,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 169 transitions. [2018-11-18 17:00:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 169 transitions. [2018-11-18 17:00:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:00:33,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 108 states and 165 transitions. [2018-11-18 17:00:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 165 transitions. [2018-11-18 17:00:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:00:33,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:00:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 186 transitions. [2018-11-18 17:00:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 186 transitions. [2018-11-18 17:00:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:00:34,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 190 transitions. [2018-11-18 17:00:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-11-18 17:00:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 17:00:35,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 209 transitions. [2018-11-18 17:00:35,243 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-11-18 17:00:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:00:35,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 210 transitions. [2018-11-18 17:00:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-18 17:00:35,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:00:35,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:00:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 130 states and 211 transitions. [2018-11-18 17:00:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-11-18 17:00:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:00:35,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:36,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 233 transitions. [2018-11-18 17:00:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2018-11-18 17:00:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:00:36,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 264 transitions. [2018-11-18 17:00:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 264 transitions. [2018-11-18 17:00:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 17:00:36,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:36,347 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 159 states and 292 transitions. [2018-11-18 17:00:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 292 transitions. [2018-11-18 17:00:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:00:37,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 293 transitions. [2018-11-18 17:00:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2018-11-18 17:00:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:00:37,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 161 states and 294 transitions. [2018-11-18 17:00:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2018-11-18 17:00:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:00:37,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:00:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:37,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 165 states and 301 transitions. [2018-11-18 17:00:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 301 transitions. [2018-11-18 17:00:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:00:37,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 17:00:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 170 states and 311 transitions. [2018-11-18 17:00:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 311 transitions. [2018-11-18 17:00:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:00:38,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:00:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 168 states and 307 transitions. [2018-11-18 17:00:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 307 transitions. [2018-11-18 17:00:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:00:38,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 17:00:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 173 states and 314 transitions. [2018-11-18 17:00:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2018-11-18 17:00:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 17:00:39,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:39,127 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:00:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 175 states and 317 transitions. [2018-11-18 17:00:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 317 transitions. [2018-11-18 17:00:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:00:39,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:00:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 176 states and 318 transitions. [2018-11-18 17:00:39,208 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2018-11-18 17:00:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:00:39,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:00:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 172 states and 306 transitions. [2018-11-18 17:00:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2018-11-18 17:00:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 17:00:39,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:00:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 165 states and 293 transitions. [2018-11-18 17:00:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2018-11-18 17:00:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:00:39,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:00:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 183 states and 333 transitions. [2018-11-18 17:00:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 333 transitions. [2018-11-18 17:00:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:00:40,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:00:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 173 states and 309 transitions. [2018-11-18 17:00:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 309 transitions. [2018-11-18 17:00:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:00:41,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:00:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:41,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 178 states and 319 transitions. [2018-11-18 17:00:41,506 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 319 transitions. [2018-11-18 17:00:41,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:00:41,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 17:00:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 174 states and 305 transitions. [2018-11-18 17:00:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2018-11-18 17:00:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 17:00:41,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 17:00:41,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:41,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 91 states and 129 transitions. [2018-11-18 17:00:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2018-11-18 17:00:41,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:00:41,994 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-18 17:00:42,002 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:00:42,231 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,233 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,233 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,236 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:00:42,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,237 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:00:42,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,238 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 17:00:42,238 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,238 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:42,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:00:42 ImpRootNode [2018-11-18 17:00:42,239 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:00:42,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:00:42,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:00:42,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:00:42,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:00:31" (3/4) ... [2018-11-18 17:00:42,242 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:00:42,247 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:00:42,252 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 17:00:42,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:00:42,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 17:00:42,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 17:00:42,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-18 17:00:42,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-11-18 17:00:42,303 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab1dd1d9-a3c0-4422-8319-7588c1265ab1/bin-2019/ukojak/witness.graphml [2018-11-18 17:00:42,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:00:42,303 INFO L168 Benchmark]: Toolchain (without parser) took 11922.48 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 952.1 MB in the beginning and 1.0 GB in the end (delta: -63.5 MB). Peak memory consumption was 264.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:42,304 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-18 17:00:42,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:42,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.41 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. [2018-11-18 17:00:42,305 INFO L168 Benchmark]: Boogie Preprocessor took 25.53 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. [2018-11-18 17:00:42,305 INFO L168 Benchmark]: RCFGBuilder took 750.91 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: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:42,305 INFO L168 Benchmark]: CodeCheck took 10652.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:42,305 INFO L168 Benchmark]: Witness Printer took 64.08 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:42,306 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, 77 locations, 1 error locations. SAFE Result, 10.3s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -330739312 SDtfs, -1387542434 SDslu, -289050872 SDs, 0 SdLazy, -205276730 SolverSat, 2082493716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17201 GetRequests, 16785 SyntacticMatches, 176 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25735 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1778 NumberOfCodeBlocks, 1778 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1742 ConstructedInterpolants, 0 QuantifiedInterpolants, 207952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 795/880 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: 518]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 381.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 952.1 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.41 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. * Boogie Preprocessor took 25.53 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 750.91 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: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10652.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.6 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.08 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...